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Question Paper 2017-2018

11 STD COMPUTER SCIENCE MARKS : 70

TIME: 2.30 Hrs PART-A

Choose the correct answer: 15x1=15

1 Who invented Slide Rule?

a) Charles Babbage b) William Oughtred c) Blaise Pascal d) John Napier

2 ENIAC stands for

a) Electronic Numerical Integrator and Calculator

b) Electronic Numerical Interchange and Calculator

c) Electric Numerical Interchange and Computer

d) Electronic Numerical Integrator and Computer

3 A+AB = a) 1 b) A’ c)B d)A

4 Who published the stored program concept?

a) Charles Babbage b) William Oughtred c) John Von-Neuman d) John Napier

5 Which of the following resolution will produce sharper image?

a) 1020 x 768 b) 1024x768 c) 640x480 d) 800x600

6 A flipflop can be constructed using the following gates

a) Only NOR b) Only NAND gate c) Either NOR and NAND d) NOR and NAND

7 SJF stands for

a) Short Job Fast b) Shortest Job First c) Shortest Job Fast d) Strongest Job First

8 The device that co-ordinates data transfer is called

a) NIC b)OSI c) DCE d) Network Card

9 Which of the following key is equivalent to Double click mouse action?

a) % b) / c) + d) 5

10 Which one of the following is a word processor?

a) Notepad b) Wordpad c) Calculator d) Paint

11 Which one of the following is used to safeguard your system from virus?

a) Word b) Excel c) Antivirus d) Security

12 Which option in the date command is used to display the day of the month?

a) %m b) %d c) %D d) %H

13 Which one of the following is a valid string constant?

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a)’abc’ b) “abc” c) ‘a’ d) ‘b’

14 Which one of the following is not a keyword C?

a) case b) break c) integer d) int

15 Which tag is used to create a hyperlink to another document?

a) <B> b) <M> c) <A> d) <C>

PART-B

Answer Any 6 Questions. Q.No.24 Compulsory: 6X2=12

16 What are peripheral devices?

17 Convert 512 decimal number into their equivalent Binary number.

18 What is storage device?

19 Explain the types of operating system.

20 Explain Network.

21 What is meant by Logging in?

22 Define Recycle Bin. How is it used?

23 Explain the echo commands.

24 What is an array? Given an example.

PART-C

Answer Any 6 Questions. Q.No.33 Compulsory: 6X2=12

25 Simplify the Boolean equation : A’B’C’+A’BC’+A’BC+AB’C’

26 Explain Dot matrix printer and Laser printer.

27 Explain FIFO.

28 Write short notes about MODEM.

29 Explain Clipboard.

30 Explain RUN Command.

31 Differentiate cat and more commands in Linux.

32 Write short notes about <font> tag.

33 Give the syntax of while loop and do..while loop with example.

PART-D

Answer the all Questions: 5X5=25

34 What are the types of computer? Explain. (OR)

i) Write -27 as an 8-bit 2’s Complement number

ii) Do the following binary arithmetic (-210) – (-610)

35 Describe in detail the various units of the Central Processing Unit. (OR)

Draw any five logic gates with truth table.

36 Explain the types of Network Topology. (OR)

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Write short note about the different kinds of dialog boxes in windows.

37 Explain the control panel with icons and their description. (OR)

Write the types of users. Explain.

38 Explain the switch….case with suitable example. (OR)

What are the different types of lists offered by HTML?

Answer Scripts Send To This Address:

Mr. G.M.Senthil M.Sc.,M.Phil.,B.Ed., P.G.Asst in Computer Science,

2/3A, School Backside, Manivilunthan North Village, M.V.Colony Post, Attur Tk, Salem Dt – 636112, Ph: 9952139125

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