NEW
Font size
S
M
L
XL
WorksheetsYear 8 Binary numbers, sound and images Assessment
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
What is the binary equivalent of the decimal number 10?
a)
1110
b)
1100
c)
1001
d)
1010
2.
Which of the following is a common file format for images?
a)
JPEG
b)
TXT
c)
HTML
d)
DOCX
3.
What does the term 'bit' stand for in computing?
a)
Binary Digit
b)
Binary Data
c)
Byte Information
d)
Bitrate Definition
4.
How many bits are there in a byte?
a)
8
b)
4
c)
16
d)
2
5.
Which of the following describes how sound is stored in a computer?
a)
As a series of binary numbers
b)
As a text file
c)
As an image file
d)
As a video file
6.
What is the maximum value of an 8-bit binary number?
a)
256
b)
512
c)
128
d)
255
7.
What is the purpose of using binary numbers in computing?
a)
To represent data in a format that computers can process
b)
To increase the speed of the computer's CPU
c)
To enhance the graphics quality of images
d)
To store larger amounts of data in a smaller space
8.
What is the total number of different values that can be represented by a 4-bit binary number?
a)
16
b)
8
c)
4
d)
2
9.
What is the term used to describe the process of reducing the size of a digital image file?
a)
Compression
b)
Encryption
c)
Decompression
d)
Transmission
10.
What is the term for the smallest unit of data in computing that can have a value of either 0 or 1?
a)
Byte
b)
Nibble
c)
Bit
d)
Word
11.
What is the primary function of a pixel in digital images?
a)
To store sound data
b)
To represent a single point of colour in an image
c)
To encode binary numbers
d)
To compress file sizes
12.
What is the process of converting digital audio data back into an analogue signal called?
a)
Digital-to-Analogue Conversion
b)
Analogue-to-Digital Conversion
c)
Sampling
d)
Modulation
13.
What is the main purpose of sampling in digital audio?
a)
To convert sound waves into digital data
b)
To increase the volume of the audio
c)
To compress the audio file size
d)
To enhance the quality of the sound
14.
How is a simple black and white image stored in binary?
a)
Each pixel is stored as a letter
b)
Each pixel is stored as a 0 or 1
c)
Each pixel is stored as a sound
d)
Each pixel is stored as a decimal number
15.
Which binary number is the largest?
a)
101
b)
1001
c)
11
d)
110
Reset
