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1 : What does ASCII stand for?
1
:
American Standard Code for Information Interchange
2
:
Advanced Standard Code for Information Interchange
3
:
American Standard Communication for Information Interchange
4
:
Advanced Standard Communication for Information Interchange
2 : Which of the following numbers is a valid binary number?
1
:
1101102
2
:
11011
3
:
110.11
4
:
1101A
3 : Which of the following is a key advantage of Unicode over ASCII?
1
:
It uses fewer bits per character
2
:
It can represent characters from many different languages
3
:
It is backward compatible with binary
4
:
It is specific to the English language
4 : What is the approximate range of values for single-precision floating-point numbers?
1
:
1.4 x 10 to3.4 x 1030
2
:
1.4 x 103 to3.4 x 105
3
:
4.9 x 1032 to 1.8 x 10308
4
:
4.9 x 10-30 to 1.8 x 10324
5 : How many bytes are used to store a typical integer?
1
:
1 byte
2
:
2 bytes
3
:
4 bytes
4
:
8 bytes
6 : What is the primary difference between signed and unsigned integers?
1
:
Unsigned integers cannot be negative
2
:
Signed integers have a larger range
3
:
Unsigned integers are stored in floating-point format
4
:
Signed integers are only used for positive numbers
7 : In the single precision, how many bits are used for the exponent?
1
:
23 bits
2
:
8 bits
3
:
11 bits
4
:
52 bits
8 : In an RGB color model, what does RGB stand for?
1
:
Red, Green, Blue
2
:
Red, Gray, Black
3
:
Right, Green, Blue
4
:
Red, Green, Brown
9 : How many bits are used in the standard ASCII encoding?
1
:
7 bits
2
:
8 bits
3
:
16 bits
4
:
32 bits
10 : What are the tiny dots that make up an image called?
1
:
Pixels
2
:
Bits
3
:
Bytes
4
:
Nodes
11 : 11(10) is an example of number system:
1
:
Binary
2
:
Decimal
3
:
Hexadecimal
4
:
Octal
12 : MAC stands for:
1
:
Media Access Control
2
:
Media Access Central
3
:
Media Access Configure
4
:
Media Access Connect
13 : Base of octal number system is:
1
:
2
2
:
8
3
:
10
4
:
16
14 : BIT stands for:
1
:
Binary Digit
2
:
Binary Integer
3
:
Binary Terms
4
:
Binary Value
15 : Single precision use bits:
1
:
30
2
:
31
3
:
32
4
:
None of these
16 : Double precision use bits:
1
:
64
2
:
62
3
:
32
4
:
None of these
17 : Binary arithmetic operations use:
1
:
Addition
2
:
Subtraction
3
:
Multiplication
4
:
All of these
18 : Brain of computer is:
1
:
CPU
2
:
UDP
3
:
RAM
4
:
All of these
19 : Extended ASCII includes characters:
1
:
64
2
:
128
3
:
256
4
:
None of these
20 : ASCII code for P is:
1
:
80
2
:
81
3
:
82
4
:
All of these
21 : UTF stands for:
1
:
Unicode Transformation Formula
2
:
Unicode Transformation Formation
3
:
Unicode Transformation Format
4
:
None of these
22 : Pixel stands for:
1
:
Picture Element
2
:
Picture Identify
3
:
Picture Digit
4
:
None of these
23 : MP3 is a file format:
1
:
Video
2
:
Audio
3
:
Image
4
:
None of these
24 : Number 17 is equal to in binary system:
1
:
10000
2
:
10110
3
:
10001
4
:
10100
25 : 1 petabyte is equal to:
1
:
(1024)^4 bytes
2
:
(1024)^6 bytes
3
:
(1024)^5 bytes
4
:
(1024)^7 bytes
26 : Hexadecimal system has total number:
1
:
17
2
:
16
3
:
18
4
:
15
27 : In binary, 0s represents:
1
:
ON
2
:
Of
3
:
OFF
4
:
None of these
28 : Which number system consists of 0s and 1s?
1
:
Decimal
2
:
Hexadecimal
3
:
Binary
4
:
Octal
29 : CPU stands for:
1
:
Central Processing Unit
2
:
Central Processing Unit
3
:
Central Processing United
4
:
None of these
30 : In primary and secondary storage, data is stored in the form of:
1
:
Bytes
2
:
Bit
3
:
Nibble
4
:
GB
31 : Which number system has base 10 as it uses ten digits from 0 to 9?
1
:
Decimal
2
:
Hexa
3
:
Binary
4
:
Octal
32 : Which number system has base 2?
1
:
Decimal
2
:
Hexa decimal
3
:
Binary
4
:
Octal
33 : Which number system has base 16?
1
:
Decimal
2
:
Hexa decimal
3
:
Binary
4
:
Octal
34 : The smallest amount of data to be stored in computer's memory is a 0 or 1, called:
1
:
Byte
2
:
KB
3
:
Bit
4
:
GB
35 : A number system is the system for representation of data:
1
:
Value
2
:
Boolean
3
:
Truth
4
:
Numeric
36 : Which is a group of eight bits, enough to store a single ASCII character?
1
:
Byte
2
:
KB
3
:
Bit
4
:
GB
37 : All the characters on your keyboard have an associated code in binary. This code is called:
1
:
BCD
2
:
Unicode
3
:
ASCII
4
:
EBCDIC
38 : To convert a decimal number to binary we divide the number by and take quotient and remainder:
1
:
8
2
:
16
3
:
2
4
:
12
39 : ASCII stands for:
1
:
American standard code
2
:
American standard code for information interchange
3
:
Information code
4
:
Standard institute
40 : The binary value of the letter 'A' is 01000001 and its decimal value is:
1
:
67
2
:
66
3
:
69
4
:
65
41 : What does ASCII stand for?
1
:
American standard code for information interchange
2
:
Advanced standard code for information
3
:
American standard communication for information interchange
4
:
Advanced standard communication for information interchange
42 : 1MB bytes:
1
:
(1024)^5 bytes
2
:
(1024)KB or (1024)^2
3
:
3000
4
:
400
43 : (1024) TB or (1024)^5 bytes is equal to:
1
:
1GB
2
:
1T
3
:
1KB
4
:
1PB
44 : 1G (1024) MB or bytes:
1
:
(1024)^5 bytes
2
:
(1025) KB or (1024)^2
3
:
8
4
:
(1024)^3
45 : Which is a key advantage of Unicode over ASCII?
1
:
It uses fewer bits per character
2
:
It can represent characters from many different languages
3
:
It is backward compatible with binary
4
:
It is specific to the English language
46 : How many bytes are used to store a typical integer?
1
:
1byte
2
:
2bytes
3
:
4bytes
4
:
8bytes
47 : What are the tiny dots that make up an image called?
1
:
Pixels
2
:
Bits
3
:
Bytes
4
:
Nodes
48 : Which of the following numbers is a valid binary number?
1
:
1101102
2
:
11011
3
:
110.11
4
:
1101A
49 : How many bits are used in the standard ASCII encoding?
1
:
7bits
2
:
8bits
3
:
16bits
4
:
32bits
50 : 1KB = bytes:
1
:
1024
2
:
200
3
:
300
4
:
400
51 : In an RGB color model, what does RGB stand for?
1
:
Red, Green, Blue
2
:
Red, Gray, Black
3
:
Right, Green, Blue
4
:
Red, Green, Brown
Chapter 2 : Number system
Computer 9th MCQs || Ilam Ghar
Computer 9th
