8086 Microprocessor Solved MCQs

1.

A microprocessor is a _______ chip integrating all the functions of a CPU of a computer.

A.multiple
B.single
C.double
D.triple
Answer» B. single
discuss
2.

Microprocessor is a/an _______ circuit that functions as the CPU of the compute

A.electronic
B.mechanic
C.integrating
D.processing
Answer» A. electronic
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3.

Microprocessor is the ______ of the computer and it perform all the computational tasks

A.main
B.heart
C.important
D.simple
Answer» B. heart
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4.

The purpose of the microprocessor is to control ______

A.memory
B.switches
C.processing
D.tasks
Answer» A. memory
discuss
5.

The first digital electronic computer was built in the year________

A.1950
B.1960
C.1940
D.1930
Answer» C. 1940
discuss
6.

In 1960's texas institute invented ______

A.integrated circuits
B.microprocessor
C.vacuum tubes
D.transistors
Answer» A. integrated circuits
discuss
7.

The intel 8086 microprocessor is a _______ processor

A.8 bit
B.16 bit
C.32 bit
D.4 bit
Answer» B. 16 bit
discuss
8.

The microprocessor can read/write 16 bit data from or to ________

A.memory
B.i /o device
C.processor
D.register
Answer» A. memory
discuss
9.

The work of EU is ________

A.encoding
B.decoding
C.processing
D.calculations
Answer» B. decoding
discuss
10.

The 16 bit flag of 8086 microprocessor is responsible to indicate ___________

A.the condition of result of alu operation
B.the condition of memory
C.the result of addition
D.the result of subtraction
Answer» A. the condition of result of alu operation
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11.

The CF is known as ________

A.carry flag
B.condition flag
C.common flag
D.single flag
Answer» A. carry flag
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12.

The SF is called as ________

A.service flag
B.sign flag
C.single flag
D.condition flag
Answer» B. sign flag
discuss
13.

The OF is called as _______

A.overflow flag
B.overdue flag
C.one flag
D.over flag
Answer» A. overflow flag
discuss
14.

The IF is called as _________

A.initial flag
B.indicate flag
C.interrupt flag
D.inter flag
Answer» C. interrupt flag
discuss
15.

The register AX is formed by grouping ________

A.ah & al
B.bh & bl
C.ch & cl
D.dh & dl
Answer» A. ah & al
discuss
16.

The SP is indicated by ________

A.single pointer
B.stack pointer
C.source pointer
D.destination pointer
Answer» B. stack pointer
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17.

The BP is indicated by _______

A.base pointer
B.binary pointer
C.bit pointer
D.digital pointer
Answer» A. base pointer
discuss
18.

The SS is called as ________

A.single stack
B.stack segment
C.sequence stack
D.random stack
Answer» B. stack segment
discuss
19.

The index register are used to hold _______

A.memory register
B.offset address
C.segment memory
D.offset memory
Answer» B. offset address
discuss
20.

The BIU contains FIFO register of size __________ bytes

A.8
B.6
C.4
D.12
Answer» B. 6
discuss
21.

The BIU prefetches the instruction from memory and store them in ________

A.queue
B.register
C.memory
D.stack
Answer» A. queue
discuss
22.

The 1 MB byte of memory can be divided into ______ segment

A.1 kbyte
B.64 kbyte
C.33 kbyte
D.34 kbyte
Answer» B. 64 kbyte
discuss
23.

The DS is called as _______

A.data segment
B.digital segment
C.divide segment
D.decode segment
Answer» A. data segment
discuss
24.

The CS register stores instruction _____________ in code segment

A.stream
B.path
C.codes
D.stream line
Answer» C. codes
discuss
25.

The IP is ________ bits in length

A.8 bits
B.4 bits
C.16 bits
D.32 bits
Answer» C. 16 bits
discuss
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