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MCQs Library
Browse subject-wise multiple choice questions, review answers quickly, and start a test from the same section.
Questions
| Code | Question | Option A | Option B | Option C | Option D | Answer |
|---|---|---|---|---|---|---|
| CS401 |
In Nasm An Imported Symbol Is Declared With The __________ While And Exported Symbol Is Declared With The__________
|
Global Directive External Directive
|
External Directive Global Directive
|
Home Directive Foreign Directive
|
Foreign Directive Home Directive
|
B |
| CS401 |
In Programmable Interrupt Controller Which Of The Following Ports Is Referred As A Control Port.
|
19
|
20
|
21
|
22
|
B |
| CS401 |
In Programmable Interrupt Controller Which Of The Following Ports Is Referred As A Interrupt Mask Register?
|
19
|
20
|
21
|
22
|
C |
| CS401 |
In Programmable Interrupt Controller Which Of The Following Ports Is Used For Selectively Enabling Or Disabling Interrupts
|
19
|
20
|
21
|
22
|
C |
| CS401 |
In Stos Instruction The Implied Source Will Always Be In
|
Al Or Ax Registers
|
Dl Or Dx Registers
|
Bl Or Bx Registers
|
Cl Or Cx Registers
|
A |
| CS401 |
In Stosb Instruction Si Is Decremented Or Incremented By
|
1
|
2
|
3
|
4
|
A |
| CS401 |
In Stosb Instruction When Df Is Clear Si Is
|
Incremented By 1
|
Incremented By 2
|
Decremented By 1
|
Decremented By 2
|
A |
| CS401 |
In Stosb Instruction When Df Is Set Si Is
|
Incremented By 1
|
Incremented By 2
|
Decremented By 1
|
Decremented By 2
|
C |
| CS401 |
In Stosw Instruction When Di Is Cleared Si Is
|
Incremented By 1
|
Incremented By 2
|
Decremented By 1
|
Decremented By 2
|
B |
| CS401 |
In String Manipulation Whenever An Instruction Needs A Memory Source Which Of The Following Will Hold The Pointer To It?
|
Es: Di
|
Es: Bp
|
Ds:Bp
|
Ds:Si
|
D |
| CS401 |
In The “Mov Ax 5” 5 Is The __________ Operand.
|
Source
|
Destination
|
Memory
|
Register
|
A |
| CS401 |
In The Instruction “Cmp Ax Bx” The Contents Of
|
Ax Are Changed
|
Bx Are Changed
|
Cx Are Changed
|
Flag Register Are Changed
|
D |
| CS401 |
In The Instruction Mov Ax 5 The Number Of Operands Are
|
1
|
2
|
3
|
4
|
B |
| CS401 |
In The Rotate Right Operation Every Bit Moves One Position To Right And The Bit Dropped From The Right Is Inserted At The Left And:
|
Dropped In Cf
|
Moves To Al
|
Don’T Go Anywhere.
|
None Of Given
|
A |
| CS401 |
In The Word Designated For One Screen Location The Higher Address Contains
|
The Character Code
|
The Attribute Byte
|
The Parameters
|
The Dimensions
|
B |
| CS401 |
Index Registers Are Used To Store __________
|
Data
|
Intermediate Result
|
Address
|
Both Data And Addresses
|
C |
| CS401 |
Int 10 Is Used For __________ Services
|
Ram
|
Disk
|
Bios Video
|
Dos Video
|
C |
| CS401 |
Int 21 Service 01H Is Used To Read Character From Standard Input With Echo. It Returns The Result In Register.
|
Al
|
Bl
|
Cl
|
Bh
|
A |
| CS401 |
Int For Arithmetic Overflow Is
|
Int 1
|
Int 2
|
Int 3
|
Int 4
|
D |
| CS401 |
Interrupt That Is Used In Debugging With Help Of Trap Flag Is
|
Int 0
|
Int 1
|
Int 2
|
Int 3
|
B |