G7 T2 Exam Revision

What is digital data?

• Data stored using letters

• Data stored using digits

• Data stored using pictures

• Data stored using symbols

What digits do computers use to store digital data?

• A and B
• -1 and 0
• 0 and 1
• 2 and 3

A microprocessor is also called

• Motherboard
• RAM
• GPU
• CPU

What type of files can computers store using digital data?

• Only text files

• Only image files

• Only sound files

• Text, images, video, and audio

What is a bit?

• A large unit of data storage

• A small unit of data storage

• A type of computer program

• A special type of number

How many bits make up a byte?

• 8
• 4
• 16
• 32

What is the maximum number that can be stored in a single byte?

• 128
• 512
• 1024
• 255

What is another name for the decimal number system?

• Base-10 system
• Base-16 system
• Base-8 system
• Base-2 system

How many different digits does the binary system use?

• 8
• 2
• 4
• 3

What is the result of 1 + 1 in binary addition?

• 10
• 2
• 01
• 11