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Q.

Which of the following is responsible for controlling the internal/external transfer of data/control/status word?

A

Data Bus Buffer

B

Read/Write Control Logic

C

CS

D

WR

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Similar Questions

MCQ

1.

It is a tri-state, bi-directional, 8-bit buffer, which is used to interface the 8253/54 to the system data bus.

A

Read/Write Logic

B

Data Bus Buffer

C

system data bus

D

System Buffer

Discussion

MCQ

2.

How many ports 8255A has?

A

2

B

3

C

4

D

5

Discussion

MCQ

3.

The ______ is a general purpose programmable I/O device designed to transfer the data from I/O to interrupt I/O.

A

8285A

B

8241A

C

8255A

D

8251A

Discussion

MCQ

4.

Which port can be split into two parts?

A

PORT A

B

PORT B

C

PORT C

D

PORT D

Discussion

MCQ

5.

Which of the following uses N-MOS technology?

A

8253

B

8254

C

8255

D

8256

Discussion

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