TN Class XI / Plus one Computer science OBJECTIVE TYPE QUESTIONS (EM) 201718 – Test 7
Subject – Computer Science
No of questions – 20
Marks : 20
Time : 20 mins
TN Class XI / Plus one Computer science OBJECTIVE TYPE QUESTIONS (EM) 201718 – Test 7
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Question 1 of 20
1. Question
The term bit stands for ……………. .
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Question 2 of 20
2. Question
The radix of an octal system is ………. and for the hexadecimal system is ………… .

The radix of an octal system is and for the hexadecimal system is .
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Question 3 of 20
3. Question
The range of unsigned integers in an nbit system is from …….. to ……… .

The range of unsigned integers in an nbit system is from to .
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Question 4 of 20
4. Question
The synonyms LSB and MSB stand for ………….. and ………….. .
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Question 5 of 20
5. Question
In binary addition, the operands are called ………. and ……….. .
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Question 6 of 20
6. Question
In binary subtraction, the operands are called ………….. and ……………
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Question 7 of 20
7. Question
The binary representation of the decimal number 5864 is ………….. and the hexadecimal representation of the same number will be ………….. .

The binary representation of the decimal number 5864 is and the hexadecimal representation of the same number will be .
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Question 8 of 20
8. Question
The 2’s complement of 0 is ………….. .
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Question 9 of 20
9. Question
The arithmetic operations in a digital computer are performed using the radix ………….., ………….. .
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Question 10 of 20
10. Question
One byte equals ………….. number of bits.
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Question 11 of 20
11. Question
One million bytes are referred to as MB and one billion bytes are referred to as ………….. .
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Question 12 of 20
12. Question
The exponent of the smallest power of 2 that is larger than 68 is …………. and hence the number 68 has ………….. binary digits in its binary equivalent.

The exponent of the smallest power of 2 that is larger than 68 is and hence the number 68 has binary digits in its binary equivalent.
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Question 13 of 20
13. Question
A computer system is the interpretation of physical entities called …………… and nonphysical entities called ……………. .

A computer system is the interpretation of physical entities called and nonphysical entities called .
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Question 14 of 20
14. Question
The computer uses …………… devices to accept data and program.
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Question 15 of 20
15. Question
CPU stands for …………… .
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Question 16 of 20
16. Question
ALU stands for …………… .
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Question 17 of 20
17. Question
RAM stands for …………… .
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Question 18 of 20
18. Question
ROM stands for …………… .
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Question 19 of 20
19. Question
The stored program concept is conceived by …………… .
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Question 20 of 20
20. Question
Main memory is also known as …………… memory.
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