Test: Peripheral Devices


10 Questions MCQ Test Topicwise Question Bank for Electronics Engineering | Test: Peripheral Devices


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Attempt Test: Peripheral Devices | 10 questions in 30 minutes | Mock test for Electronics and Communication Engineering (ECE) preparation | Free important questions MCQ to study Topicwise Question Bank for Electronics Engineering for Electronics and Communication Engineering (ECE) Exam | Download free PDF with solutions
QUESTION: 1

In a microcomputer, wait states are used to

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QUESTION: 2

 What must be.the contents of the control word of Intel 8255 for mode 0 (operation) and for the following ports configuration?
ort A - output, Port B - output
Port Clower - 0utput, Port Cupper - lnput

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QUESTION: 3

A ‘DMA’ Transfer implies

Solution:

The DMA is a process of high speed direct data transfer between memory and external peripherals (I/O device) without programming intervention.

QUESTION: 4

 Match List-I (Request) with List-ll (Device) and select the correct answer using the codes given below the lists:

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QUESTION: 5

Direct memory Access channel (DMA) facilitates data to move into and out of the system

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QUESTION: 6

Consider the following statements associated with microprocessors:
1, Debug is synonymous with exponent.
2. Direct-Memory Access Channel (DMA) facilitates to move into and out of the system without program interruption.
3. Double precision employs double signal speed.
4. Dump means copying data from internal storage to external storage.

Which of the statements given above are correct?

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QUESTION: 7

Bootstrap is a technique designed

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QUESTION: 8

For which of the following devices, is DMA the most suitable?

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QUESTION: 9

A USART chip provides

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QUESTION: 10

The synchronization between microprocessor and memory is done by

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