IGCSE Computer Science Quiz

IGCSE Computer Science Quiz

9th - 12th Grade

30 Qs

quiz-placeholder

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IGCSE Computer Science Quiz

IGCSE Computer Science Quiz

Assessment

Quiz

Computers

9th - 12th Grade

Practice Problem

Medium

Created by

Syeeda Anjum

Used 4+ times

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30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The binary system is based on:

Base 8

Base 2

Base 10

Base 16

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Convert the denary number 45 to binary:

101101

101011

110011

100111

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The hexadecimal representation of 255 is:

FF

25

100

EE

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Convert binary 1011010 to denary:

90

58

72

45

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Convert hexadecimal 3F to binary:

111111

101111

100111

111100

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Add 01101101 + 10111010. What is the result?

100100111 (overflow)

100010111

111101111

011001111

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Logical right shift by 2 bits on 11010011 gives:

11110100

00110100

00011011

11001001

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