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WorksheetsBinary Number System
Total questions: 30
Worksheet time: 15mins
What is the binary representation of the decimal number 5?
101
110
111
100
What is the decimal equivalent of the binary number 1101?
11
12
13
14
How many bits are in a byte?
4
8
16
32
What is the smallest unit of data in computing?
Byte
Bit
Nibble
Word
How many bits are needed to represent the decimal number 15 in binary?
2
3
4
What does ASCII stand for?
American Standard Code for Information Interchange
American Standard Code for Internet Interchange
American Standard Code for International Interchange
American Standard Code for Internal Interchange
How many characters can be represented by the standard ASCII code?
64
128
256
512
What is the ASCII code for the character 'A'?
65
66
67
68
Which of the following is the largest unit of data?
Kilobyte
Megabyte
Gigabyte
Terabyte
How many bytes are in a kilobyte (KB)?
1000
1024
2048
What does RGB stand for in terms of colour representation?
Red, Green, Blue
Red, Green, Black
Red, Grey, Blue
Red, Green, Brown
How many bits are used to represent each colour in the RGB model?
4 bits
8 bits
16 bits
32 bits
What is a pixel?
A) A unit of data storage
B) A unit of digital image representation
C) A unit of sound measurement
D) A unit of network speed
What does the resolution of an image refer to?
A) The number of colours in the image
B) The number of pixels in the image
C) The size of the image file
D) The format of the image file
Which of the following resolutions has the highest number of pixels?
640x480
1280x720
1920x1080
3840x2160
How many pixels are there in a 4K resolution display?
2 million
4 million
8 million
16 million
What does ASCII stand for?
American Standard Code for Information Interchange
Amazing Super Cool Internet Interface
Alligators Sometimes Chase Innocent Iguanas
Astronauts Sing Christmas Carols In Space
What is the binary representation of the decimal number 10?
A) 1010
B) 1001
C) 1111
D) 1234
How many bits are in a byte?
8
7
6
4
What is the binary representation of the decimal number 8?
B) 1010
C) 1100
D) 1110
A) 1000
Which of the following is a valid binary number?
1101
XYZ
2A3
102
What is the binary representation of the decimal number 3?
101
100
11
10
A ___________ Internet connection can transmit more than a billion ones and zeroes every second.
kilobyte
megabyte
gigabyte
terabyte
One ____________ is about 1 trillion bytes.
terabyte
gigabyte
megabyte
kilobyte
One ____________ is about 1 billion bytes.
terabyte
gigabyte
megabyte
kilobyte
One ____________ is about 1 million bytes.
terabyte
gigabyte
megabyte
kilobyte
The only two digits used in the binary number system are _______.
one and two
zero and one
zero and two
two and three
Things that can be represented with numbers
Text/letters
Images/Pixels
Sounds/Waves
All the options
How many bits are needed to represent the decimal number 255 in binary?
8
9
6
7
Which of the following is not a type of data that can be represented digitally?
Sound
Text
Image
Emotion
