A Level Computer Science

A Level Computer Science

12th Grade

70 Qs

quiz-placeholder

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A Level Computer Science

A Level Computer Science

Assessment

Quiz

Computers

12th Grade

Practice Problem

Medium

Created by

blanadahful blanadahful

Used 11+ times

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70 questions

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1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Select three items which are resources shared on a computer network.

Data

Bridge

Storage

Internet

Packets

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Communication rules used by network devices is known as protocol.

True

False

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following security concerns canbe addressed with the help of a digital certificate?

Availability

Confidentiality

Authenticity

Integrity

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is Packet Switching?

Sending packets over different routes on the internet

exchanging packets from one user to another

stealing one packet and swapping another one to replace it

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

First Step of the FETCH

The CPU reads the contents of the Program Counter to find the address of the next instruction to be fetched

The address in the MAR is then located in RAM

The contents of the RAM address are moved to the MDR

The instruction in the MDR is copied to the CIR

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

CIR Stands for

Current Instruction RAM

Current Instruction Register

CPU Information Register

Combined Information Register

Combined Instruction Register

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The first step in the DECODE step is

The contents of the CIR are divided into instruction and data

The contents of the CIR are copied to the PC.

The contents of the CIR are copied to the RAM.

The contents of the CIR are copied to the ALU.

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