Unit 3 Review

What does ASCII stand for?

• Australian Standard Code for Information Interchange

• Aberdonian Standard Code for Information Interchange

• American Standard Code for Information Interchange

• African Standard Code for Information Interchange

What is a character?

• A single key on the keyboard or a single number, letter or punctuation symbol

• A person who works as a computer programmer

• A 1 or a 0

• The part that an actor plays

What does ASCII do?

• Converts images into binary

• Converts sound into binary

• Converts text into binary

• Converts the typed language into American English

A byte equals how many bits?

• 2
• 4
• 8
• 16

The binary digits 0 and 1 are each called a bit.

• True
• False

A group of 8 bits is known as a gigabyte.

• True
• False

What does 1 represent in bit?

• It means OFF

• It means ON

• It means ON and OFF

• It means NO and YES

What does 0 represent in bit?

• It means OFF

• It means ON

• It means ON and OFF

• It means NO and YES

What is Binary number system?

• A number system where a number is represented by using only two digits (0 and 1) with a base 2.

• A computer language that is used in making web pages

• A series of 1's and 0's that go beep bloop beep bop

• A computer Language that doesn't make sense

Hexadecimal number system is a base __ system

• 6

• 16

• 10

• 8