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Q.

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

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MCQ

1.

Which mode generates a strobe in response to an externally generated signal?

A

Mode 3

B

Mode 4

C

Mode 5

D

Mode 6

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2.

Which port can be split into two parts?

A

PORT A

B

PORT B

C

PORT C

D

PORT D

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3.

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

Discussion

MCQ

4.

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

5.

Which mode can be used as a mono stable multi-vibrator?

A

Mode 0

B

Mode 1

C

Mode 2

D

Mode 3

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