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Q.

Which mode allows 8/16 character multiplexed displays to be organized as dual 4-bit/single 8-bit display units?

A

Display Entry

B

Display Scan

C

Strobed Input

D

Scanned Keyboard Mode

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Similar Questions

MCQ

1.

What is correct range of frequency for 8257?

A

500Hz to 3MHz.

B

250Hz to 2MHz.

C

250Hz to 3MHz.

D

500Hz to 2MHz.

Discussion

MCQ

2.

Which of the following are known as Higher Address Bus?

A

A15 - A8

B

AD7 - AD0

C

READY

D

WR

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MCQ

3.

The device that enables the microprocessor to read data from the external devices is

A

printer

B

joystick

C

display

D

reader

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MCQ

4.

Which mode allows 8/16 character multiplexed displays to be organized as dual 4-bit/single 8-bit display units?

A

Display Entry

B

Display Scan

C

Strobed Input

D

Scanned Keyboard Mode

Discussion

MCQ

5.

In which mode, the CPU periodically reads an internal flag of 8279 to check whether any key is pressed or not with key pressure?

A

Interrupt mode

B

Polled mode

C

Decoded Mode

D

Encoded Mode

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