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Online Tests
Computer Science 9th Class English Medium Chapter 2 Online Test MCQs With Answers
Question # 1
To convert a decimal number to binary, we divide the number by _______ and take quotient and remainder:
Choose an answer
8
2
16
12
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Question # 2
A __________ is a sentence that can either be true or false:
Choose an answer
Algebra
Variable
Proposition
Constant
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Question # 3
The binary value of the letter "A" is 01000001 and its decimal value is:
Choose an answer
67
66
69
65
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Question # 4
1 TB = (1,024) GB or ______ bytes:
Choose an answer
(1,024)
5
(1,024) KB or (1,024)
2
(1,024)
4
(1,024)
2
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Question # 5
Data to a processor is provided through:
Choose an answer
ROM
RAM
EPROM
EEPROM
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Question # 6
A number system is the system for representation of ______ data:
Choose an answer
Value
Boolean
Truth
Numeric
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Question # 7
In primary and secondary storages, data is stored in the form of:
Choose an answer
Bytes
Bit
Nibble
GB
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Question # 8
To convert a hexadecimal number to binary, simply covert each hexadecimal digit to _______ digits binary value:
Choose an answer
Four
Two
Three
Five
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Question # 9
1 GB = (1,024) MB or ______ bytes:
Choose an answer
(1,024)
5
bytes
(1,024) KB or (1,024)
2
8
(1,024)
3
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Question # 10
The order of application of two separate terms is not important in:
Choose an answer
Associative Law
Commutative Law
Distributive Law
Identity Law
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Question # 11
Which is an example of primary memory ?
Choose an answer
Floppy disk
CD - ROM
Hard disk
RAM
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Question # 12
Your name is in the form of alphabets, but for a computer each alphabet has some _____ value:
Choose an answer
Binary
Decimal
Octal
Numeric
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Question # 13
1 Petabyte is equal to _________:
Choose an answer
(1,024)
4
bytes
(1,024)
5
bytes
(1,024)
6
bytes
(1,024)
7
bytes
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Question # 14
ASCII stands for:
Choose an answer
American Standard code
American Standard Code for Information Interchange
Information code
Standard institute
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Question # 15
Which number system has base 2 ?
Choose an answer
Decimal
Hexa decimal
Binary
Octal
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