CSP Data Unit 1 Quiz- Digital Information

How do computers represent data, numbers, letters, and images?

• They use binary ( a base 2 system)

• They use pictures and keyboard characters.

• They use a secret coding system filled with symbols.

• They use alphabets and decimal numbers.

The binary system is represented by ( which numbers)

What does bit stand for?

• Build It Today

• Basic Information

• Binary Digit

• Billions in Tech

True or Fales: A bit is always in one of two physical states on/off.

How many bits make up a byte?

• 4

• 16

• 10

• 8

What is the number 255 in binary?

• 11111111

• 1010101010

• 00001111

• 1111000

How would you represent the number 35 in binary?

• 11110

• 0001100

• 100011

• 1010101

RGB stands for

• Ready, Backup, Gear

• Red, Blue, and Green

• Read, Believe, Grow

• Rest, Before, Golf

_______ is a process for reducing the number of bits needed to represent something in which some of the information is lost and can not be reversed.

• Lossless Compression

• Lacking Compression

• Lossy Compression

• Limited Compression

_______ is a process for reducing the number of bits needed to represent the information needed to represent something without losing any information. This process is reversible.

• Lossless Compression

• Lossy Compression

• Limited Compression

• Listed Compression