Test: Functional Units of a Computer


15 Questions MCQ Test Computer Architecture & Organisation (CAO) | Test: Functional Units of a Computer


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Attempt Test: Functional Units of a Computer | 15 questions in 15 minutes | Mock test for Computer Science Engineering (CSE) preparation | Free important questions MCQ to study Computer Architecture & Organisation (CAO) for Computer Science Engineering (CSE) Exam | Download free PDF with solutions
QUESTION: 1

The ______ format is usually used to store data.

Solution:

Answer: a
Explanation: The data usually used by computers have to be stored and represented in a particular format for ease of use.

QUESTION: 2

The 8-bit encoding format used to store data in a computer is ______

Solution:

Answer: b
Explanation: The data to be stored in the computers have to be encoded in a particular way so as to be provide secure processing of the data.

QUESTION: 3

A source program is usually in _______

Solution:

Answer: c
Explanation: The program written and before being compiled or assembled is called as a source program.

QUESTION: 4

Which memory device is generally made of semi-conductors?

Solution:

Answer: a
Explanation: Memory devices are usually made of semi conductors for faster manipulation of the contents.

QUESTION: 5

 The small extremely fast, RAM’s are called as _______

Solution:

Answer: a
Explanation: These small and fast memory devices are compared to RAM because they optimize the performance of the system and they only keep files which are required by the current process in them

QUESTION: 6

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

Solution:

Answer: a
Explanation: The ALU is the computational center of the CPU. It performs all the mathematical and logical operations. In order to perform better it uses some internal memory spaces to store immediate results.

QUESTION: 7

The control unit controls other units by generating ____

Solution:

Answer: b
Explanation: This unit is used to control and coordinate between the various parts and components of the CPU.

QUESTION: 8

______ are numbers and encoded characters, generally used as operands.

Solution:
QUESTION: 9

 The Input devices can send information to the processor.

Solution:

Answer: a
Explanation: The input devices use buffers to store the data received and when the buffer has some data it sends it to the processor.

QUESTION: 10

______ bus structure is usually used to connect I/O devices.

Solution:

Answer: a
Explanation: BUS is a bunch of wires which carry address,control signals and data. It is used to connect various components of the computer.

QUESTION: 11

The I/O interface required to connect the I/O device to the bus consists of ______

Solution:

The I/O devices are connected to the CPU via BUS and to interact with the BUS they’ve a interface.

QUESTION: 12

To reduce the memory access time we generally make use of ______

Solution:

Answer: d
Explanation: The time required to access a part of the memory for data retrieval.

QUESTION: 13

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

Solution:

Answer: b
Explanation: Virtual memory is like an extension to the existing memory.

QUESTION: 14

MFC stands for ___________

Solution:

Answer: b
Explanation: This is a system command enabled when a memory function is completed by a process.

QUESTION: 15

The time delay between two successive initiation of memory operation _______

Solution:

Answer: c
Explanation: The time taken to finish one task and to start another.

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