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G7_ICT_Chapter1_b

Total questions: 15

Worksheet time: 30mins

Name
Class
Date
1.

Binary addition : 00110101 + 01010101

a)

10001010

b)

10010010

c)

10000010

2.

Convert 110111 to decimal

a)

50

b)

55

c)

52

3.

Convert 20 to binary

a)

11000

b)

11001

c)

10100

4.

The number system that a computer uses has two different digits

a)

1 and 2

b)

0 and 1

c)

8 and 1

5.

Another name for Decimal system is _____.

a)

base 8

b)

base 10

c)

base 2

6.

The smallest number you can make with 8 bits in binary: _________________

a)

00000000

b)

11111111

c)

10000001

7.

The largest number you can make with 8 bits in binary: _________________

a)

10000001

b)

00000000

c)

11111111

8.

A method of capturing continuous data (such as sound) and converting it to a digital data

a)

Sampling

b)

True color

9.

The process of turning a program into an executable file is called ____________.

a)

Interpreting

b)

Compiling

10.

When a program is interpreting, the computer does not store any ___________

a)

source code

b)

machine code

11.

__________________ code uses more than one byte to store characters

a)

UNICODE

b)

ASCII

12.

A set of commands that a programmer writes in a programming language is called a __________

a)

Machine code

b)

Source code

13.

The interpreter understands a language called ___________.

a)

Javascript

b)

C

c)

C++

14.

________________ error is caused when you store a number bigger than 255 using 8bits.

a)

Overflow

b)

Syntax

c)

Logical

15.

Your house number is a value

a)

True

b)

False