Microprocessor Mock Test 4

10%

Question 1 of 10

1. The number of address lines used by the I/O processor in 8089 is

Question 1 of 10

Question 2 of 10

2. The memory space of a processor that is mapped to other processor/processors and vice-versa is known as

bus window technique

memory technique

mapping technique

multi microprocessor system

Question 2 of 10

Question 3 of 10

3. The register that keeps track of all the DMA channel pending requests and status of their terminal counts is

mask register

count register

status register

request register

Question 3 of 10

Question 4 of 10

4. Invalid operation is the exception generated due to

indeterminate form as result

all of the mentioned

stack underflow

stack overflow

Question 4 of 10

Question 5 of 10

5. A distributed operating system must provide a mechanism for

interprocessor communication

intraprocess and intraprocessor communication

intraprocessor communication

interprocess and interprocessor communication

Question 5 of 10

Question 6 of 10

6. For reading the disks DVD uses

blue laser

green laser

white laser

red laser

Question 6 of 10

Question 7 of 10

7. Which of the following is a type of DMA transfer?

verify transfer

memory write

all of the mentioned

memory read

Question 7 of 10

Question 8 of 10

8. The instruction that is the NOP instruction of the coprocessor is

FNOP

CNOP

SNOP

PNOP

Question 8 of 10

Question 9 of 10

9. The bus arbitration is handled by an external circuit in

none of the mentioned

tightly and loosely coupled system

loosely coupled system

tightly coupled system

Question 9 of 10

Question 10 of 10

10. The instruction that multiplies the content of the stack top by 2n is

FCSH

FMUL

FPREM

FSCAL

Question 10 of 10