Computer Assembly MCQ

Subject: computer ASSEMBLY
Name: Muhammad Usman
Email: mu702823@gmail.com
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Topic: 100 MCQ Of CA.

1.
Virtual machine concept was firstly introduced by __________:
A: Denis Ritchie
B: Tanenbaum
C: Bill Gates
D: Steve Jobs
ANSWER: B
2.
Each computer has a native __________that runs directly on its hardware:
A: Human Language
B: High Level Language
C: Machine language
D: NONE
ANSWER: C
3.
A more human-friendly language is usually constructed above machine language, called
__________:
A: Low Level Language
B: High Level Language
C: Machine language
D: NONE
ANSWER: B
4.
In Interpretation, L0 program interprets and executes L1 instructions one by one.
A: TRUE
B: FALSE
ANSWER: A
5.
In Interpretation, L1 program is completely translated into an L0 program, which then runs
on the computer hardware.

A: TRUE
B: FALSE
ANSWER: B
6.
What will following program did:
MOV eax, A
MUL B
ADD eax, C
A: A + B + C
B: A + B * C
C: A * B * C
D: A * B + C
ANSWER: D
7.
Which of the following is Application-oriented language:
A: JAVA
B: C++
C: Visual Basic
D: All of them
ANSWER: D
8.
In level 3 languages, Instruction mnemonics have a one-to-one correspondence to machine
language
A: TRUE
B: FALSE
ANSWER: A
9.
In level 3 languages, Programs are translated into Instruction Set Architecture Level
A: TRUE
B: FALSE
ANSWER: A
10.
ISA also known as conventional machine language

A: TRUE
B: FALSE
ANSWER: A
11.
Digital logic gates are Implemented using bipolar __________.
A: Capacitor
B: Transistors
C: Resistance
D: None of them
ANSWER: B
12.
Binary value 00001001 is equal to __________ in decimal.
A: 6
B: 7
C: 8
D: 9
ANSWER: D
13.
Binary value 00001001 take __________ bits in memory.
A: 6
B: 7
C: 8
D: 9
ANSWER: C
14.
Weighted positional notation shows how to calculate the decimal value of each binary bit.
A: TRUE
B: FALSE
ANSWER: A
15.
Unsigned byte have __________ range.
A: 0-255
B: 0-65525
C: 0-4294967295

D: None of them
ANSWER: A
16.
Unsigned word have __________ range.
A: 0-255
B: 0-65525
C: 0-4294967295
D: None of them
ANSWER: B
17.
Unsigned doubleword have __________ range.
A: 0-255
B: 0-65525
C: 0-4294967295
D: None of them
ANSWER: C
18.
Unsigned byte take __________ bits in memory.
A: 8
B: 16
C: 32
D: 64
ANSWER: A
19.
Unsigned word take __________ bits in memory.
A: 8
B: 16
C: 32
D: 64
ANSWER: B
20.
Unsigned doubleword take __________ bits in memory.
A: 8
B: 16

C: 32
D: 64
ANSWER: C
21.
Unsigned quadword take __________ bits in memory.
A: 8
B: 16
C: 32
D: 64
ANSWER: D
22.
Each hexadecimal digit corresponds to __________ binary bits.
A: 4
B: 8
C: 16
D: none of them
ANSWER: A
23.
In Signed Integers, the __________ bit indicates the sign.
A: lowest
B: highest
C: both of them
D: none of them
ANSWER: B
24.
In Signed Integers, if highest bit is 1 then it indicates that the number is __________.
A: positive
B: negative
C: does not matter
D: invalid
ANSWER: B
25.
In Signed Integers, if highest bit is 0 then it indicates that the number is __________.

A: positive
B: negative
C: does not matter
D: invalid
ANSWER: A
26.
If the highest digit of a hexadecimal integer is > 7, the value is __________.
A: positive
B: negative
C: does not matter
D: none
ANSWER: B
27.
If the highest digit of a hexadecimal integer is <= 7, the value is __________.
A: positive
B: negative
C: does not matter
D: none
ANSWER: A
28.
__________ numbers are stored in two's complement notation.
A: positive
B: negative
C: both of them
D: none of them
ANSWER: B
29.
Two's complement notation Represents the additive Inverse.
A: TRUE
B: FALSE
ANSWER: A
30.
Signed Byte have __________ range.
A: -2^7 to (2^7 -1)

B: -2^15 to (2^15 -1)
C: -2^31 to (2^31 -1)
D: -2^63 to (2^63 -1)
ANSWER: A
31.
Signed word have __________ range.
A: -2^7 to (2^7 -1)
B: -2^15 to (2^15 -1)
C: -2^31 to (2^31 -1)
D: -2^63 to (2^63 -1)
ANSWER: B
32.
Signed doubleword have __________ range.
A: -2^7 to (2^7 -1)
B: -2^15 to (2^15 -1)
C: -2^31 to (2^31 -1)
D: -2^63 to (2^63 -1)
ANSWER: C
33.
Signed quadword have __________ range.
A: -2^7 to (2^7 -1)
B: -2^15 to (2^15 -1)
C: -2^31 to (2^31 -1)
D: -2^63 to (2^63 -1)
ANSWER: D
34.
Signed byte take __________ bits in memory.
A: 8
B: 16
C: 32
D: 64
ANSWER: A
35.
Signed word take __________ bits in memory.

A: 8
B: 16
C: 32
D: 64
ANSWER: B
36.
Signed doubleword take __________ bits in memory.
A: 8
B: 16
C: 32
D: 64
ANSWER: C
37.
Signed quadword take __________ bits in memory.
A: 8
B: 16
C: 32
D: 64
ANSWER: D
38.
Standard ASCII character set have __________ range.
A: 0 to 127
B: 0 to 255
C: 0 to 65535
D: none of them
ANSWER: A
39.
Extended ASCII character set have __________ range.
A: 0 to 127
B: 0 to 255
C: 0 to 65535
D: none of them
ANSWER: B
40.

ANSI character set have __________ range.
A: 0 to 127
B: 0 to 255
C: 0 to 65535
D: none of them
ANSWER: B
41.
UNICODE character set have __________ range.
A: 0 to 127
B: 0 to 255
C: 0 to 65535
D: none of them
ANSWER: C
42.
A Character of Standard ASCII character set take __________ bits in memory.
A: 7
B: 8
C: 16
D: none of them
ANSWER: A
43.
A Character of Extended ASCII character set take __________ bits in memory.
A: 7
B: 8
C: 16
D: none of them
ANSWER: B
44.
A Character of ANSI character set take __________ bits in memory.
A: 7
B: 8
C: 16
D: none of them
ANSWER: B

45.
A Character of UNICODE character set take __________ bits in memory.
A: 7
B: 8
C: 16
D: none of them
ANSWER: C
46.
Boolean expressions created from:
A: OR Gate
B: AND Gate
C: NOT Gate
D: All of them
ANSWER: D
47.
Which of the following is common radix characters in Assembly:
A: h
B: b
C: r
D: All of them
ANSWER: D
48.
Which of the following is not common radix characters in Assembly:
A: h
B: t
C: r
D: d
ANSWER: B
49.
__________ Operator have highest Precedence in Assembly:
A: parenthesis ( )
B: multiply,divide * /

C: modulus MOD
D: add, subtract + -
ANSWER: A
50.
__________ Operator have lowest Precedence in Assembly:
A: parenthesis ( )
B: multiply,divide * /
C: modulus MOD
D: add, subtract + -
ANSWER: D
51.
In Assembly, We can Enclose character in single or double quotes:
A: TRUE
B: FALSE
ANSWER: A
52.
In Assembly, We can not Enclose character in single or double quotes:
A: TRUE
B: FALSE
ANSWER: B
53.
In Assembly, We can Enclose String in single or double quotes:
A: TRUE
B: FALSE
ANSWER: A
54.
In Assembly, We can not Enclose String in single or double quotes:
A: TRUE
B: FALSE
ANSWER: B
55.
In Assembly, Reserved words cannot be used as identifiers

A: TRUE
B: FALSE
ANSWER: A
56.
In Assembly, Reserved words can be used as identifiers
A: TRUE
B: FALSE
ANSWER: B
57.
In Assembly, Identifiers are case sensitive.
A: TRUE
B: FALSE
ANSWER: B
58.
In Assembly, Identifiers are not case sensitive.
A: TRUE
B: FALSE
ANSWER: A
59.
In Assembly, Identifiers can have maximum of__________ characters.
A: 127
B: 128
C: 247
D: 256
ANSWER: C
60.
In Assembly, first character of identifier must be a letter, _, @, ?, or $
A: TRUE
B: FALSE
ANSWER: A
61.

In Assembly, __________ are Commands that are recognized and acted upon by the
assembler.
A: Identifiers
B: Directives
C: Reserved words
D: Labels
ANSWER: B
62.
In Assembly, __________ Act as place markers.
A: Identifiers
B: Directives
C: Reserved words
D: Labels
ANSWER: D
63.
In Assembly, Directives are part of the Intel instruction set.
A: TRUE
B: FALSE
ANSWER: B
64.
In Assembly, Directives are not part of the Intel instruction set.
A: TRUE
B: FALSE
ANSWER: A
65.
In Assembly, Directives are Used to declare:
A: Code
B: Data
C: Memory Models
D: All of them.
ANSWER: D

66.
In Assembly, An instruction must contains:
A: Label
B: Mnemonic
C: Operand
D: Comment
ANSWER: B
67.
In Assembly, which type of label is not used:
A: data label
B: code label
C: logical label
D: none of them
ANSWER: C
68.
In Assembly, data labels followed by colon.
A: TRUE
B: FALSE
ANSWER: B
69.
In Assembly, data labels not followed by colon.
A: TRUE
B: FALSE
ANSWER: A
70.
In Assembly, code labels followed by colon.
A: TRUE
B: FALSE
ANSWER: A
71.
In Assembly, code labels not followed by colon.
A: TRUE
B: FALSE
ANSWER: B

72.
In Assembly, which of the following is valid Instruction Mnemonics.
A: MOV
B: ADD
C: INC
D: ALL of them
ANSWER: D
73.
In Assembly, Operands can be:
A: constant
B: register
C: memory
D: ALL of them
ANSWER: D
74.
In Assembly, __________ explain the program's purpose.
A: Identifiers
B: Directives
C: Comments
D: Labels
ANSWER: C
75.
In Assembly, Single-line comments begin with:
A: ;
B: :
C: //
D: none of them
ANSWER: A
76.
In Assembly, following instruction is example of __________ Instruction Format.
STC
A: NO OPERAND
B: ONE OPERAND

C: TWO OPERAND
D: none of them
ANSWER: A
77.
INC EAX
A: NO OPERAND
B: ONE OPERAND
C: TWO OPERAND
D: none of them
ANSWER: B
78.
ADD EAX, EBX
A: NO OPERAND
B: ONE OPERAND
C: TWO OPERAND
D: none of them
ANSWER: C
79.
In Assembly, __________ Used to see how your program is compiled.
A: code file
B: source file
C: listing file
D: map file
ANSWER: C
80.
In Assembly, __________ provide Information about each program segment:
A: code file
B: source file
C: listing file

D: map file
ANSWER: D
81.
In Assembly, listing file contains:
A: source code
B: addresses
C: object code
D: All of them
ANSWER: D
82.
In Assembly, map file contains:
A: starting address
B: ending address
C: segment type
D: All of them
ANSWER: D
83.
In Assembly, BYTE datatype is used for:
A: 8-bit unsigned integer
B: 8-bit signed integer
C: 16-bit unsigned integer
D: 16-bit signed integer
ANSWER: A
84.
In Assembly, SBYTE datatype is used for:
ANSWER: B
85.
In Assembly, WORD datatype is used for:

ANSWER: C
86.
In Assembly, SWORD datatype is used for:
ANSWER: D
87.
In Assembly, DWORD datatype is used for:
C: 64-bit integer
D: 80-bit integer
ANSWER: A
88.
In Assembly, SDWORD datatype is used for:
C: 64-bit integer
D: 80-bit integer
ANSWER: B
89.
In Assembly, QWORD datatype is used for:
C: 64-bit integer
D: 80-bit integer
ANSWER: C

90.
In Assembly, TBYTE datatype is used for:
C: 64-bit integer
D: 80-bit integer
ANSWER: D
91.
In Assembly, REAL4 datatype is used for:
A: short real
B: long real
C: extended real
D: none of these
ANSWER: A
92.
A: short real
B: long real
C: extended real
D: none of these
ANSWER: B
93.
A: short real
B: long real
C: extended real
D: none of these
ANSWER: C
94.
In Assembly, following instruction define __________ byte.
value BYTE 0
A: smallest unsigned

B: largest unsigned
C: smallest signed
D: largest signed
ANSWER: A
95.
value BYTE 255
B: largest unsigned
C: smallest signed
D: largest signed
ANSWER: B
96.
value SBYTE -128
B: largest unsigned
C: smallest signed
D: largest signed
ANSWER: C
97.
value SBYTE +127
B: largest unsigned
C: smallest signed
D: largest signed
ANSWER: D
98.

value BYTE ?
B: largest unsigned
C: initialized
D: uninitialized
ANSWER: D
99.
In Assembly,To continue a single string across multiple lines, end each line with a:
A: ;
B: :
C: ,
D: none of them
ANSWER: C
100.
In Assembly, Strings often will be null-terminated.
A: TRUE
B: FALSE
ANSWER: A

Computer Assembly MCQ

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Computer Assembly MCQ