8086 Microprocessor Quiz
Authored by Cammillus S
Engineering
University
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The 8086 is a _____-bit microprocessor.
8
16
32
64
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Bus Interface Unit (BIU) is responsible for:
Arithmetic and logic operations
Memory and I/O interfacing
Instruction execution
All of the above
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which register holds the address of the next instruction?
SP
IP
AX
DS
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which addressing mode is the operand specified directly in the instruction?
Register
Direct
Immediate
Indirect
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
[BX] is an example of which addressing mode?
Direct
Register
Indexed
Register Indirect
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The instruction MOV AX, [BX] copies data from:
AX to BX
Memory to AX
BX to AX
AX to memory
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The directive used to define a byte in assembly is:
DB
DW
DD
DC
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