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I BCA Computer Organization and Architecture

Total questions: 15

Worksheet time: 11mins

Name
Class
Date
1.

The small extremely fast RAM is called as ___________.

a)

Heap

b)

Stack

c)

Cache

d)

Accumulator

2.

Division by zero causes an ____________ interrupt.

a)

implicit

b)

internal

c)

infinity

d)

external

3.

The ALU makes use of _________ to store the intermediate results.

a)

Register

b)

Accumulator

c)

Stack

d)

Heap

4.

In _____________ addressing mode, the operand value is directly specified.

a)

Relative

b)

Direct

c)

Indexed

d)

Immediate

5.

__________ is generally used to increase the apparent size of physical memory.

a)

Secondary memory

b)

Virtual memory

c)

Hard Disks

d)

Disks

6.

MICR stands for ___________________________.

a)

Magnetic Interface Character Resolution

b)

Magnetic Ink Card Reader

c)

Magnetic Ink Character Reading

d)

Magnetic Ink Code Register

7.

CISC stands for ______________________________________.

a)

Complete Instruction Sequential Compilation

b)

Computer Integrated Sequential Compiler

c)

Complex Instruction Set Computer

d)

Complex Instruction Sequential Compilation

8.

In ______________ cache memory, the word is written into cache and main memory at the same time.

a)

copy-back

b)

write-through

c)

copy-both

d)

write-back

9.

The address of the address of the operand is specified in _______________ addressing mode.

a)

immediate

b)

direct

c)

indirect

d)

relative

10.

The register used to store the flags is called as ______________.

a)

Flag register

b)

Status register

c)

Test register

d)

Log register

11.

In zero address instruction method, the operands are stored in __________.

a)

registers

b)

accumulators

c)

push down stack

d)

cache

12.

To get the physical address from the logical address generated by the CPU, __________ is used.

a)

MAR

b)

MMU

c)

TLB

d)

Overlays

13.

Interrupts form an important part of __________ systems.

a)

Batch Processing

b)

Multitasking

c)

Real-time processing

d)

Multi-user

14.

In Register Transfer Language, ____________ is used to denote "Add the numbers in A and B and place the sum in A".

a)

B A+BB\ \leftarrow\ A+B

b)

A+BAA+B\leftarrow A

c)

A A+BA\ \leftarrow\ A+B

d)

A+B BA+B\ \rightarrow\ B

15.

The CPU has two modes privileged and non-privileged. In order to change the mode from privileged to non-privileged, _____________________ is needed.

a)

a hardware interrupt

b)

a software interrupt

c)

either hardware or software interrupt

d)

a non-privileged instruction