Top 150+ Solved 8086 Microprocessor MCQ Questions Answer

From 106 to 120 of 164

Q. In 8086 microprocessor , the address bus is bit wide

a. 12 bit

b. 10 bit

c. 16 bit

d. 20 bit

  • d. 20 bit

Q. The work of EU is

a. encoding

b. decoding

c. processing

d. calculations

  • b. decoding

Q. The SF is called as

a. service flag

b. sign flag

c. single flag

d. condition flag

  • b. sign flag

Q. The OF is called as

a. overflow flag

b. overdue flag

c. one flag

d. over flag

  • a. overflow flag

Q. The IF is called as

a. initial flag

b. indicate flag

c. interrupt flag

d. inter flag

  • c. interrupt flag

Q. The register AX is formed by grouping

a. ah & al

b. bh & bl

c. ch & cl

d. dh & dl

  • a. ah & al

Q. The SP is indicated by

a. single pointer

b. stack pointer

c. source pointer

d. destination pointer

  • b. stack pointer

Q. The BP is indicated by

a. base pointer

b. binary pointer

c. bit pointer

d. digital pointer

  • a. base pointer

Q. The SS is called as

a. single stack

b. stack segment

c. sequence stack .

d. random stack

  • b. stack segment

Q. The index register are used to hold

a. memory register

b. offset address

c. segment memory

d. offset memory

  • a. memory register

Q. The BIU contains FIFO register of size bytes

a. 8

b. 6

c. 4

d. 12

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

a. queue

b. register

c. memory

d. stack

  • a. queue

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

a. 1 kbyte

b. 64 kbyte

c. 33 kbyte

d. 34 kbyte

  • b. 64 kbyte

Q. The DS is called as

a. data segment

b. digital segment

c. divide segment

d. decode segment

  • a. data segment

Q. The CS register stores instruction in code segment

a. stream

b. path

c. codes

d. stream line

  • c. codes
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