Computers - General Questions (3)

Directions to Solve

Computers - General Questions

17.

Which is not part of the execution unit (EU)?

A.	Arithmetic logic unit (ALU)
B.	Clock
C.	General registers
D.	Flags

Answer: Option B

Explanation:

No answer description available for this question.

18.

Which is not an operand?

A.	Variable
B.	Register
C.	Memory location
D.	Assembler

Answer: Option D

Explanation:

No answer description available for this question.

19.

Which microprocessor has multiplexed data and address lines?

A.	8086/8088
B.	80286
C.	80386
D.	Pentium

Answer: Option A

Explanation:

No answer description available for this question.

20.

The first microprocessor had a(n)________.

A.	1-bit data bus
B.	2-bit data bus
C.	4-bit data bus
D.	8-bit data bus

Answer: Option C

Explanation:

No answer description available for this question.

21.

DMA is particularly suited for data transfer between the ________.

A.	disk drive and CPU
B.	disk drive and RAM
C.	disk drive and ROM
D.	disk drive and I/O

Answer: Option B

Explanation:

No answer description available for this question.

22.

Which bus is bidirectional?

A.	Address bus
B.	Control bus
C.	Data bus
D.	None of the above

Answer: Option C

Explanation:

No answer description available for this question.

23.

Which of the following is not an enhancement to the Pentium that was unavailable in the 8086/8088?

A.	"Pipelined" architecture
B.	Expansion of cache memory
C.	Inclusion of an internal math coprocessor
D.	Data/address line multiplexing

Answer: Option D

Explanation:

No answer description available for this question.

24.

Which method bypasses the CPU for certain types of data transfer?

A.	Software interrupts
B.	Interrupt-driven I/O
C.	Polled I/O
D.	Direct memory access (DMA)

Answer: Option D

Explanation:

No answer description available for this question.

1
2
3
4