(Holidays Homework)-2012
ClASS –III Subject:- Computer Sc.
Ø Learn and Prepare Lesson-1 for class Test in July.
Ø Project:-
Make a model using cardboard, coloured sheet and other required material according to your roll numbers
Roll no.1-5 Monitor Roll no.11-15 Speakers
Roll no. 16-20 Mouse Roll no. 6-10 Keyboard
Roll No. 21-25 CPU Roll No. 26-30 Headphones
Roll No. 31-35 Web Camera Roll No. 36-40 CD
Roll No. 40 onwards MicroPhone
Write five lines about your project on coloured A4 sheet and also learn for ‘Show and Tell Competition’.
Ø Activity:- Solve the following crossword search using the help box.
Help Box:-
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(Holidays Homework)-2012
ClASS –IV Subject:- Computer Sc.
Ø Learn and Prepare Lesson-1 for class Test in July.
Ø Project:-
Collect the pictures related to topics mentioned below and make a collage on full Cartridge sheet with information.
Roll no.1-15 Applications (uses) of computer
Roll no. 16-30 Various Memory Devices
Roll No. 31-45 Output Devices
Roll No. 45 Onwards Input Devices
Ø Activity:- Solve the following crossword search using the help box.
Computer Wordsearch
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Help Box:-
BARCODE COMPACTDISK DIGITALCAMERA HEADPHONES
JOYSTICK KEYBOARD LIGHTPEN MONITOR
PRINTER PROJECTOR SCANNER SOUNDCARD SPEAKERS TOUCHSCREEN WEBCAM MOUSE
(Holidays Homework)-2012
ClASS –V Subject:- Computer Sc.
ØLearn and Prepare Lesson-1 for class Test in July.
Ø Project:-
Collect the pictures and paste them in A4 Pastel sheet
Roll no. 1-10 Memory Devices
Roll no. 11-20 Output Devices
Roll No. 21-30 Different Types of software
Roll No. 31-45 Onwards Types of Computer
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Assignment:-
Do this assignment in your Computer notebook with heading holidays Homework (2012)
Q1. Another name for computer programs and information.
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A.
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Output
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B.
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Process
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C.
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Software
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D.
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CPU
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Q.2) The part of a computer that allows the user to view information on a screen.
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Mouse
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RAM
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C.
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Motherboard
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D.
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Monitor
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Q.3)
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This part sends signals to other parts of the computer to tell them what to do.
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CPU
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Speakers
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C.
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Icon
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D.
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Hard drive
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Q.4) This is a flat input device that usually sits in front of the monitor.
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Keyboard
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Tower
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Mouse
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D.
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Laptop
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Q.5)
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This memory is for short term storage and is lost when the computer is turned off.
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Icon
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CPU
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Hard drive
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RAM
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Q.6) A name for a small picture or image representing a folder or a program.
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Graphic
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Icon
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Software
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Desktop
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Q.7)
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This computer is small enough to fit on your lap and is very portable.
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Laptop
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Tower
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Computer
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Motherboard
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Q.8)This part allows the user to hear information from the computer.
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Monitor
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Software
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Input
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D.
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Speaker
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Q.9) Another name for all the parts of a computer.
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Process
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Hardware
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Monitor
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D. Software
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D.
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Output
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Q.11) This device allows the user to record or send their voice into the computer.
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Monitor
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B.
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Microphone
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C.
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Output
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D.
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Speaker
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Q.12) This part does the real calculation, moving and processing of information.
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CPU
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IBM
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RAM
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D.
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Hard Drive
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Q.13)
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This is a type of computer that sets on a table or desk.
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Keyboard
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Laptop
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Hard Drive
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D.
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Desktop
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Q.14) What are the 3 main things a computer does?
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Input
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Save
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Output
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Process
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Reboot
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Q.15) This part stores data, programs, settings, and the operating system while the computer is off. While it is on, it spins inside the computer reading and writing data.
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CPU
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Motherboard
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C.
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RAM
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D.
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Hard Drive
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Q.16)
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Select 2 input devices
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Microphone
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B.
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Printer
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Keyboard
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D.
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Speaker
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Q17. Select 2 output Devices
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Scaner
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Speaker
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Printer
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D.
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Microphone
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E.
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Monitor
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Q.18)
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Name of an Operating System
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A.
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Dell
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B.
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Windows XP
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C.
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Yahoo
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D.
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Microsoft
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(Holidays Homework)-2012
ClASS –VI Subject:- Computer Sc.
ØLearn and Prepare Lesson-1 for class Test in July.
Ø Project:-
Draw and Colour the Opening Screen on the given topic according to your Roll No. on cartridge sheet
Roll no. 1-10 Windows Explorer with lable the components
Roll no. 11-20 Microsoft Word
Roll no.21-30 Ms-Paint
Roll no. 31-40 Microsoft- Excel
(Roll no. 41 Onwards) Microsoft -PowerPoint
Assignment:-
Do this assignment in your Computer notebook with heading holidays Homework (2012)
Q1. Write the name of any two Operating System.
Q2. Which software allow us to view all the files and folders which are saved in a computer.
Q3.Write all the options of File Menu option..
Q4. In which menu options cut and copy options are available?
Q5. Write all the modes to views of Explorer Window.
Q6. Name the view that displays the contents of any drive/folder arranged as small icons in columns?
Q7. Name the view that displays the contents of a drive /folder with details, such as their size, type and date modified?
Q8. How many panes are available in Explorer Window?
Q9. What does top level display?
Q10. Name the process in which, by clicking the minus (-) sign, it changes to plus (+) sign and contents of the folder get hidden.
Q11. Name the process in which by clicking the plus (+) sign, it changes to minus (-) sign and folder contents get displayed.
Q12. Write the shortcut keys to cut the selected file/folder.
Q13. Write the shortcut keys to copy the selected file/folder.
Q14.Write the shortcut keys to paste the selected file/folder.
Q15. What is the extension of Ms-Paint file?
Q16. What is the extension of Ms-Word file?
Q17. What is the extension of Ms-Powerpoint Presentation?
(Holidays Homework)-2012
ClASS –VII Subject:- Computer Sc.
ØLearn and Prepare Lesson-1 for class Test in July.
Ø Project:-
Make a PowerPoint Presentation on the given topics and submit it on E-mail ID with your class, section, rollno and name. E-mail ID is davcpnrl_40@hotmail.com
Roll no. Topic
1-8 Types of Computer
9-16 IPL Matches
17-24 Applications of Computer
25 –32 Famous Personalities in the field of Computer
33- 40 Input –Process-Output-Memory Devices
41 onwards Applications of Internet
Ø Assignment:- Do this assignment in your computer notebook with heading holidays Homework. (2012)
1. Mnemonic a memory trick is used in which of the following language?
a. Machine language b. Assembly language
c. High level language` d. None of above
2. The translator program used in assembly language is called
a. Compiler b. Interpreter
c. Assembler d. Translator
3. Resemble to commonly used English language:-
a. Machine language b. Assembly language
c. High level language d. None of the above
4. Which of the following is called low level languages?
a. Machine language b. Assembly language
c. Both a and b d. None of above
5. A compiler is a translating program which
a. Translates instruction of a high level language into machine language
b. Translates entire source program into machine language program
c. It is not involved in program’s execution d. All of above
6. Which of the following is machine independence program?
a. High level language b. Low level language
c. Assembly language d. Machine language
7. Which statement is valid about interpreter?
a. It translates one instruction at a time b. Object code is saved for future use
c. Repeated interpretation is not necessary d. All of above
8. CD-ROM is a
a. Semiconductor memory b. Memory register
c. Magnetic memory d. None of above
9. Which of the following is a primary storage device?
a. Magnetic tape b. Magnetic disk
c. Optical disk d. None of above
10. Which of the following is a secondary memory device?
a. Keyboard b. Disk
c. ALU d. All of the above
11. The difference between memory and storage is that memory is … and storage is …
a. Temporary, permanent b. Permanent, temporary
c. Slow, fast d. All of above
12. The first electronic computer in the world was
a. UNIVAC b. EDVAC
c. ENIAC d. All of above
c. BCD d. All of above
Holidays Home work -2012
Class - VIII
Subject : Computer Sc.
Ø Revise & Learn Ch- 1 . Prepare the chapter for Test in July.
Ø Activity :
Create a web Page showing the following information .
Types of Pollution
Air Pollution
Contamination of air due to the exhaust of vehicles, smoke from factories , fly ash from thermal plants or natural phenomena like volcano is known as air pollution.
Water Pollution
When toxic substances enter lakes, streams , rivers ,oceans and other water bodies, they get dissolved or lie suspended in water . This results in water pollution.
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Write HTML code in the notebook. And also draw the web pag e in the notebook.
Ø Assignment :- Do this assignment in your computer notebook with heading holidays Homework. (2012)
1. Differentiate between web browser and web server.
2. How is the web page is different from home page visit home page and web page of any kids site and collect information .
3. Open the website www.nationalbalbhavan.nic.in.
Visit any of the 5 web pages and write their URLs.
4. Name different types of protocols and explain each of them.
5. What is a URL and defines its parts.
Ø Project : -
Roll no. Topic
1 – 15 Collect the information about different DAV Schools from the web using web browse Mozilla firefox
16-30 Visit the web site WWW.lic.in then find the content from the Home page of this
website.
31 On wards Visit the web site WWW.lic.in then collect the information on different Insurance
Plans available on different web pages of this websites.
Submit it to email –id (davcpnrl_40@hotmail.com) latest by 7h July 2012.
(Holidays Homework)-2012
ClASS –IX Subject:- Computer Sc.
ØLearn and Prepare Lesson-1 for class Test in July.
Ø Project:-
Make a project using MS-Word on the given topics and submit it on E-mail ID with your class, section, rollno and name. E-mail ID is davcpnrl_40@hotmail.com
Roll no. Topic
1 – 10 News Letter (Front Page of News Paper in Column style)
11-20 Advertisement (Cosmetics Item / Any Electronic Items))
21-30 Brochures
30 -40 Bio- Data
40 Onwards Posters (Save Environment, Clean & Green Delhi, Save Water,
Do not use Plastic Bags,Save Electricity)
ØAssignment:- Do this assignment in your computer notebook with heading holidays Homework. (2012)
1.Where as a computer mouse over the table surface ,the trackball is
a)Stationary b)Difficult to move
c)Dragged d)Move in small stems
2. Which computer memory is used for storing programs and data currently being processed by the CPU?
a)Mass memory b)Internal Memory
c)Non-Volatile Memory d)PROM
3. Which of the following is a secondary memory device?
a)Keyboard b)Disk
c) Slow and Fast d)All of above
4. The difference between memory and storage is that memory is ……………….and storage is …………
a) Temporary,Permanent b)permanent,Temorary
c) Slow ,fast d)All of above
5. The first electronic computer in the world was
a)UNIVAC b)EDVAC
c)ENIAC d)all of above
6. Which was the computer conceived by Babage?
a)Analytical Engine b)Arithmetic Machine
c)Donald Knuth c)All of above
7. Microprocessor can be used to make
a)Computer b)Digital System
c)calculators d)All of above
8. A computer program that converts an entire program into machine language at one time is called a/an
a) Interpreter b) CPU
c) Compiler d) Simulator
9. MICR stands for
a) Magnetic Ink Character Reader b) Magnetic Ink Code Reader
c) Magnetic Ink Cases Reader d) None
c) Magnetic Ink Cases Reader d) None
10. CD-ROM stands for
a) Compactable Read Only Memory b) Compact Data Read Only Memory
c) Compactable Disk Read Only Memory d) Compact Disk Read Only Memory
c) Compactable Disk Read Only Memory d) Compact Disk Read Only Memory
11. ALU is
a) Arithmetic Logic Unit b) Array Logic Unit
c) Application Logic Unit d) None of above
c) Application Logic Unit d) None of above
12. WAN stands for
a) Wap Area Network b) Wide Area Network
c) Wide Array Net d) Wireless Area Network
c) Wide Array Net d) Wireless Area Network
13. ___________is the most powerful computer.
a) Mainframe Computer b) Super Computer
c) Laptop Computer d) None of the above
14. All processing of computer is done in
a) Monitor b) CPU
c) Keyboard d) RAM
15. RAM stands for
a) Random Access Memory b) Read Access Memory
c) Random Allowed memory d) Random Added Memory
(Holidays Homework)-2012
Subject - Computer
Class – X
Q1. FTP service is used for
a) Video Conferencing b) Remote login
c) File Transfer d) sending mails
Q2. The incoming mails are stored in
a) Outbox b) Inbox
b) Sent Box d) Trash
Q3. What is the term used for a machine that contacts a server for information?
a) Client c) master
b) Host d) ISP
Q4. HTML uses
a) Pre- specified tags c) User- defined tags
b) Tags only for linking d) fied tags defined by the language
Q5. World Wide Web
a) Is another name for the internet c) a collection of linked information
residing on computers connected by the internet
b) World wide connection for computers d) a collection of world wide
information.
Q6. Which language is used to create a web page ?
a) HTTP c) HTML
b) URL d) FTP
Q7. Which of these domains is restricted to qualified Organizations?
a) . com c) .org
b) .net d) .edu
Q8. A Search engine is a program to search for
a) Information c)web Pages
b) Web pages for specified index terms d) web pages for information using
specified search terms
Q9. What can you do with the internet?
a) Exchange information with friends . c) Access pictures , sounds, video clipping
b) Find divers perspective on issues from a global audience d) All of above
Q10. A popular service for sending or receiving mail on the internet is
a) The E-mail c) the google
b) The FTP d) none of the above
Q11. Which is the odd one out ?
a) FTP c) URL
b) TCP/IP d) HTTP
Q12. A web page is located using a
a) Universal Record Linking c) Universal Record Locator
b) Uniform Resource Locator d) Uniformly Reachable links
Ø Assignment :- Do this assignment in your computer notebook with heading holidays Homework. (2012)
1. Define the following terms:
a. ARPANET b. WWW
C Server d web server
2. What is a web page ?
3. How is a web portal different from websites?
4. What is meant by ISP ? Give examples of some ISPs.
5. Difference between a blog and a normal website.
6. What is the role of web server in the working of Internet?
7. What is a web page?
8. What is the Internet?
9. What is Modem?
10. What is the role of TCP/IP protocol in the working of the Internet?
Project :- Make a chart on the following topics according to your Roll No.
1-10 Different types of websites
11-20 Make a comparison chart of the features of a
web potal,blog and a web directory
21-30 Make a comparison chart of different types
of protocols
31-40 E-Reservation Steps for getting Railway or Air
ticket using any govt. e-reservation website
41 Latest Technologies used to transfer Data
Holidays Homework - 2012
Class - XI
(Comp. Sc.)
1. Question Bank :-
a) Define Software . Briefly define its types.
b) What is an IPO cycle?
c) Differentiate between Application software and system software give example.
d) Explain the need of Operating System.
e) Differentiate between Compiler and Interpreter.
f) How many magabytes make 1 terbyte?
g) What is compiler? How it is different from Interpreter?
h) Name two super computer designed by India.
i) What are the different types of computers? Expain each of them in detail.
j) Explain different generation of computers.
k) What is the difference between compiler and assembler?
l) Write about third generations and fourth generation of computer.
m) Suggest some comments (two) that can be added in following :
Program code:
Cin>>p;
Cin>>r;
Cin>>t;
Float si= p*r*t/100;
Cout<<”si= Rs. “<<si;
n) What is the difference between void main () and int main ()?
l) Identify the correct identifiers
l) Identify the correct identifiers
(i)AS_G_D (ii) L wer (iii) student_name (iv) S.I. (v) %percentage
2. Write and Execute the following program in C++
a) To input marks of three Subject calculate total and print the percentage
of marks.
b) To generate the output on screen.
3
6
5
c) To enter the radius of circle and prints its area.
d) To enter the side of a square and prints its area.
e) To print volume of a cylinder.
f ) To Swap the two numbers using third variable.
g) To input the two numbers find the quotient and remainder of two numbers.
3. Do the complete Exercise on Page 182, 183 in assignment note book.
4. Learn L-1 & L-6 . Prepare it for first Unit test to be held in July.
5. Project :-
Prepare a Power Ponit Presentation on the following topic according to your Roll No.
(1) Types of Printer(1-10)
(2) Operating System(11-20)
(3) Internet(21-30)
(4) Input/Output Devices(31 onwards)
It should include minimum of 12-15 slides of content:-
(i) Title
(ii) Table of Content
(iii) Acknowledgement
(iv) Hardware & Software requirement
(v) Certificate
(vi) Inerfacing & Definition
(vii) Coding
(viii) Screening
(ix) Bibliography
· Submit CD of your presentation
· Submit Project file with Printouts.
Summer Holidays Homework(2012-2013)
Class –XI
Subject –Informatics Practices
Attempt all the questions in a separate holidays’ homework notebook
Question Bank :
Q1. Write full form of following :
MICR, OCR ,TB ,OMR ,PB , ALU, DMP,VDU
Q.2 Draw a labeled diagram of functional components of a computer.
Q.3.What function is performed by ALU and CU each.
Q.4. Compare compiler and interpreter.
Q.5 What is the basic function of memory? What is the measuring unit of memory?
Q.6 Arrange the following printers in terms of speed and performance:
Dot Matrix Printer , Laser printer, Desk jet printer
Q.7 Identify the input and the output devices :
Scanner, printer Bar code reader smart card reader, plotters, Screens web camera
Q.8 What is function of a web camera?
Q.9 What is address bus? What is data bus.
Q.10 Name the two types of computer memory. Also give two points of differences between the two.
Q.11 Name the system software which loads all the program ,coordinates the input and output devices .
Q.10. What is function of BIOS.
Q.11 Name some of the commonly used operating systems
Q.12 What is difference between compiler and interpreter?
Q.13 What is a word processor .Give examples.
Q.14 What are utility softwares. Give examples.
Q.15 What is compression utility.
Q.16. What is need of operating system .
Q.17 What are functions of operating system.
Q.18.What is device driver .What is need of it?
Q.19 What is backup utility.
Q.20 What is antivirus software ? Name any two .
Q.21 What is purpose of text editor? Name any two.
Q.22 What do you mean by presentation software. Give two examples.
Q.23 What do you mean by spreadsheet software. Give two examples.
Q.24 What is a communication bus?
Q.25 What is purpose of data bus. How many wires it has?
Q.26 What is purpose of address bus. How many wires it has?
Q.27 What is purpose of control bus. How many bits can it transmit ?
II Revise and learn chapters done in the class. Complete all the assignments given in the class .
Project Work
Make a powerpoint presentation on any on topic :
i) Types of customised application software
ii) Operating system
iii) Ports and types of ports
iv) Communication bus and its type
Note : Project is to be mailed to the e-mail id davcpnrl_40@hotmail.com latest by 20th June2012.
Your Project should cover the following specifications :
· Project Title(name of project, rollno, class)
· Acknowledgement
· Certificate
· Introduction to project
· Software and hardware required(Operating system also)
· Project coding
· Project screens(output)
· Bibliography
·
III Make a chart on the following topics(any one)
i) Types of software
ii) Application software
iii) System software
Summer Holidays homework(2012-2013)
Class –XII
Subject –Informatics Practices
Question Bank :
Programming Language - JAVA
Q.1 What is procedural programming ?How is it different from object oriented programming? Q.2 What is a class ? What is an object ? Give examples ?
Q.3 What is Inheritance? What is need of Inheritance ?
Q.4 Compare exit controlled and entry controlled loop.
Q.5 What is use of presence of break in switch statement?
Q.6.What will be output of following code segment :
int num=20;
if (num==20)
l1.setText(“equals”)
else
l1.setText(“not equal”);
Q.7 What is output of following code :
jTextField1.setText(“Java”\n”Object “\t”Programming”\n);
Q.8 How many times the following loop is executed :
for (int a=50; a>=0; ++a) { l1.setText(a); }
Q.9 Convert the following into equivalent switch case :
int a=Integer.parseInt(t1.getText());
if (a==1)
l1.setText(“One”);
else if (a==2)
l1.setText(“Two”);
else if (a==3)
l1.setText(“Three”);
else
l1.setText(“Four”);
Q.10. Name any two native classes in Java and also name one function of each.
Q.11 How is data abstraction.How class in JAVA implement sit.
Q.12 What is data encapsulation ? Show how a class implements it.
Q.13 Compare do while and while loop.
Q.14What is use of default in switch statement?
Q.15.What will be output of following code segment :
int x=10;
if (x>=10)
l1.setText(“Allowed entry ”)
else
l1.setText(“Not allowed”);
Q.16What is output of following code :
jTextField1.setText(“Informatics\tObject \nProgramming\n”);
Q.17 How many times the following loop is executed :
for (int a=100; a>=0; ++a) { tl1.setText(a); }
Q.18 Convert the following into equivalent switch case :
int x=Integer.parseInt(t1.getText());
if (x==100)
l1.setText(“Hundred”);
else if (x==200)
l1.setText(“Two Hundred”);
else if (x==300)
l1.setText(“Three Hundred”);
else
l1.setText(“Invalid”);
Q.19. Name and also give purpose of any two functions in Java that belong to two classes?
Q.20. Name the control to which the following methods belong to .Also explain the following methods.
i) is Selected() ii)setEnabled()
HOTS :
Q1. While working in Net beans, Rajmeeta included a list box in the form. Now she wants the list of her` friends names to be displayed in it. Which property of listbox control should she used to do this?
Q2. What is the purpose of default clause in a switch statement?
Q3. How many times will each of the following loop execute? Which one of these is an entry controlled loop & which one is an exit controlled loop?
Loop 1
int sum 0, i=5;
do
{sum += i; i++ ; } while ( i<5);
Loop 2
int sum 0, i=5;
while (i<5)
{sum += I ; i++ ; }
Q4. What will be the content of jTextfield1 after executing the following code:
int num=6;
num=num+1;
If (num>5)
jTextfield1.setText(Integer.toString(num));
else
jTextfield1,settext(Integer.toString(num+5));
Q5.What will be the contents of jTextArea1 after executing the following statement;
jtextarea1.setText(“object\n oriented \t programming”);
Q.6 Rewrite the following program code using switch statement :
if (d==1 )
day=”Monday”;
else
if (d==2)
day=”tuesday”;
else if (d==3);
day=”wednesday”;
else
if d=”-“;
day=”thursday”;
Q7.The following code has some errors (s). rewrite the correct code underlining all the corrections made:
int i= 2 ; j = 5 ;
while ( j > i)
{j Textfield1.getText(“j is greater”) ;
j-- ; ++I ; }
Joptionpane.showMessageDialog(“Hello”) ;
Q8.What will be the contents of jTextfield1 and jTextfield2 after executing the following code :
string s = “sun micro system”;
jTextfield1.setText(s.length() + “ ”);
jTextfield2.setText(s.toLowerCase());
jTextfield2.setText(s.toUpperCase());
jTextfield2.setText(s.concat(“**”));
Q9. Glamour garment has developed a GUI application for their company as shown below :
The company accept payments in 3 mode – cheques , cash and credit cards. The discount given as per mode of payment is as follow.
Enter bill amount
DISCOUNT
|
a) If the bill amount is more than 15000 then the customer gets an additional discount of 10% on bill amount
b) Write the code to make the textfields for discount (named txtDisc) and net amount (named txtnetamt) uneditable.
c) Write code to do the following :
i)
When “calculate discount”button is clicked the discount should be calculate as per the given criteria and it should be displayed in the discount textfield. Calculate net amount button(named btn calcnet amt)should also be enable.
ii) When”calculate net amount “button is clicked the net amount should be calculated and it should be displayed in net amount textfi3eld.
Project Work
System –Student information system, banking, payroll system
ATM ,Shopping Mall ,NDPL billing ,Hotel Reservation,
Data collection and analysis :
Choose any system a your project for XII (a batch of three maximum)
· Collect data about the system (bills,reports,register)
· Analyse the inputs and outputs
System development (coding):
· Create the tables in database with appropriate datatypes of field (Minimum two tables).
· Design form (at least four) for the screens
Note : Note : Project is to be mailed to the e-mail id davcpnrl_40@hotmail.com latest by 20th June2012.
Your Project should cover the following specifications :
· Project Title(name of project,rollno, class)
· Acknowledgement
· Certificate
· Introduction to project
· Software and hardware required(Operating system also)
· Project coding
· Project screens(output)
· Bibliography
Summer Holidays homework(2012-2013)
Class –XII
Subject – Computer Science
Question Bank (HOTS) :
Programming Language - C++
Q.1What is an abstract class ? How is it different from a concrete class?
Q.2 What is OO Paradigm? How is it different from Procedural Programming Paradigm?
Q.3 What is polymorphism ?Give an example in C++ to show how it is implemented in C++?
Q.4 What is inheritance? Give an example in C++ to show how it is implemented in C++?
Q.5 What are the advantages of OOP over traditional programming approach?
Q.6 What are the disadvantages of using OOP?
Q,.7 What is concept of simplifying a real worlds concept into essential elements called in OOP?
Explain this feature?
Q,.8 What is most fundamental approach of combining data and its associated operations called in C++.
Explain this feature?
Q.9 What is a class? What is need of classes in C++?
Q.10 Which functions in classes in C++ are inline by default. What is significance of these functions?
Q.11.What happens if no constructor is provided by the user in a class .
Q.12 When is memory allocated to a constructor?
Q.13 Reusability of classes is one of the major properties of OOP. How is it implemented in C++?
Q.14 Define a class hotel with the following specifications :
Private members :
Roomno integer
Name string
Charges_day float
No_of_days integer
Compute() -To calculate and return the total charges as charges_day * No_of_days
Public members :
Getit() -to enter the data members
Showit() to show the data member
A constructor function to initialize the data members.
Q.15 Define a class Stock with the following specifications :
Private members :
Itemno integer
Item Name string
Price,qty,total ,discount float
Compute() -To calculate and return the total .Find discount as
If qty >=50 discount=10%on total amount
If qty<50 discount =nil
Public members :
Getit() -to enter the data members
Showit() -to show the data member
A constructor function to initialize the data
Q.16 CONSIDER a class Item with the following specifications :
Class Item
{ Private :
int Ino ;
char IName[25];
float Price
Public:
Item(); //f1
Item (int n,char nm[25],float rate); //f2
Item(Item &obj); //f3
}
a) Write function definitions for all the member functions.
b) Name the feature of OOP implemented in above class.
c) Write the constructor invocation statement for the above functions.
Q.17 CONSIDER a class emp with the following specifications :
Class emp
{ Private :
int eno ;
char eName[25];
float sal;
Public:
emp(); //f1
emp (int n,char nm[25],float sal); //f2
emp(emp &E); //f3
}
a) What are member functions f1..f3 called in C++.
b) Name the feature of OOP implemented in above class.
c) When and how the above functions are invoked .
d)
Q.18 CONSIDER a class Movie with the following specifications :
Class
{ Private :
int Mno ;
char Mname[25];
int no_cdl;
Public:
Movie(); //f1
Movie (int n,char nm[25],float sal); //f2
Movie (Movie &m); //f3
}
a) What are member functions f1..f3 called in C++.
b) Name the feature of OOP implemented in above class.
c) When and how the above functions are invoked .
Q.19 CONSIDER a class Result with the following specifications :
Class Result
{ Private :
int Rno ;
int mks;
Public:
Result(); //f1
Result (int rn,int marks); //f2
~ Result( ); //f3
}
a) What are member functions f1..f3 called in C++.
b) Name the feature of OOP implemented in above class.
c) When and how the above functions are invoked .
Q.20 CONSIDER a class Candidate with the following specifications :
Class Result
{ Private :
int Cno ;
char Name[20];
int mks;
Public:
Candidate(); //f1
Candidate(int Cn,char nm[20],int marks); //f2
~ Candidate( ); //f3
}
a) What are member functions f1..f3 called in C++.
b) Write definitions for all functions.
c) Create an object for f1 and f2 to invoke them.
Project Work
System –Student information system, banking, payroll system
ATM ,Shopping Mall ,NDPL billing ,Hotel Reservation,
Data collection and analysis :
Choose any system as your project for XII (a batch of three maximum)
· Collect data about the system (bills,reports,register)
· Analyse the inputs and outputs
System development (coding):
· Define the classes with appropriate data members (Minimum two classes).
· Write main program for function calling.
Note : Project is to be mailed to the e-mail id davcpnrl_40@hotmail.com latest by 20th June2012.
Your Project should cover the following specifications :
· Project Title(name of project,rollno, class)
· Acknowledgement
· Certificate
· Introduction to project
· Software and hardware required(Operating system also)
· Project coding
· Project screens(output)
· Bibliography
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