24-25 G7 1st assessment review

What method did ancient people use to store data about important events?

• Writing in books

• Painting on cave walls and carving into stone

• Digital storage devices

• Oral traditions

What is digital data?

• Data stored using letters

• Data stored using only digits

• Data stored using symbols

• Data stored using pictures

Which of the following can be stored using 1s and 0s in a computer?

• Numbers

• Instructions

• Text and images

• All of the above

How many digits does the decimal number system use?

• 2

• 8

• 10

• 16

What is the base of the binary number system?

• 2

• 8

• 10

• 16

Why must all instructions and data be converted into binary for computers?

• To save storage space

• To increase processing speed

• Because computers can only store, use, and manipulate binary data

• To make programming easier

In binary, what is a single digit called?

• Byte

• Bit

• Nibble

• Word

How many bits make up a byte?

• 4

• 6

• 8

• 10

What is the binary representation of zero as a byte?

• 00000000

• 11111111

• 10101010

• 01010101

What is the highest decimal number that can be represented by 8 bits?

• 128

• 256

• 255

• 512