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Worksheets

COA

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Name of the processor register which keeps track of instruction to be executed

a)

Program Counter (PC)

b)

Stack Pointer (SP)

2.

Processor registers involved in data transfer between Memory and Processor

a)

MAR & MDR

b)

SP & PC

3.

Read Operation Means

a)

Data Transfer from Memory to Processor

b)

Data Transfer from Processor to Memory

4.

Processor responds to the interrupts by sending the following signal

a)

INTR

b)

INTA

5.

In which of the following architecture INTA signal propagates from one device to another?

a)

Vectored Interrupts

b)

Daisy Chain

6.

Which of the following technique is used for transferring large block of data at high speed

a)

DMA

b)

Interrupts

7.

In which of the following method of data transfer, processor is partially involved in data transfer between I/O devices and Memory

a)

DMA

b)

Polling

8.

In which of the following method part of the memory is used as I/O address space.

a)

Memory Mapped I/O

b)

Program Controlled I/O

9.

The method of data transfer in which, the peripheral device not only generates an interrupt but identifies itself to the processor

a)

Vectored Interrupts

b)

Interrupt Polling

10.

Which of the following device uses DMA method of data transfer.

a)

Disk Controller

b)

Network Cards

c)

Sound Cards

d)

All of these