8086 Microprocessor solved MCQs

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

a. multiple

B. single

c. double

d. triple

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

a. electronic

B. mechanic

c. integrating

d. processing

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

a. main

B. heart

c. important

d. simple

4. The purpose of the microprocessor is to control ______

a. memory

B. switches

c. processing

d. tasks

5. The first digital electronic computer was built in the year________

a. 1950

B. 1960

c. 1940

d. 1930

6. In 1960's texas institute invented ______

a. integrated circuits

B. microprocessor

c. vacuum tubes

d. transistors

7. The intel 8086 microprocessor is a _______ processor

a. 8 bit

B. 16 bit

c. 32 bit

d. 4 bit

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

a. memory

B. i /o device

c. processor

d. register

9. The work of EU is ________

a. encoding

B. decoding

c. processing

d. calculations

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

11. The CF is known as ________

a. carry flag

B. condition flag

c. common flag

d. single flag

12. The SF is called as ________

a. service flag

B. sign flag

c. single flag

d. condition flag

13. The OF is called as _______

a. overflow flag

B. overdue flag

c. one flag

d. over flag

14. The IF is called as _________

a. initial flag

B. indicate flag

c. interrupt flag

d. inter flag

15. The register AX is formed by grouping ________

a. ah & al

B. bh & bl

c. ch & cl

d. dh & dl

16. The SP is indicated by ________

a. single pointer

B. stack pointer

c. source pointer

d. destination pointer

17. The BP is indicated by _______

a. base pointer

B. binary pointer

c. bit pointer

d. digital pointer

18. The SS is called as ________

a. single stack

B. stack segment

c. sequence stack

d. random stack

19. The index register are used to hold _______

a. memory register

B. offset address

c. segment memory

d. offset memory

20. The BIU contains FIFO register of size __________ bytes

a. 8

B. 6

c. 4

d. 12

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

a. queue

B. register

c. memory

d. stack

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

a. 1 kbyte

B. 64 kbyte

c. 33 kbyte

d. 34 kbyte

23. The DS is called as _______

a. data segment

B. digital segment

c. divide segment

d. decode segment

24. The CS register stores instruction _____________ in code segment

a. stream

B. path

c. codes

d. stream line

25. The IP is ________ bits in length

a. 8 bits

B. 4 bits

c. 16 bits

d. 32 bits

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