Theme 4 Lesson 3 G5

Computers are simple and efficient like a .................

• alight switch

• light lamp

• TV

Computers only understand information represented by...........................

• 1

• 0

• 0,1

The binary numbers system is used to store, send, and receive date 

on.................

• All

• computers

• calculators

Humans use the ...............................system to communicate using numbers.

• binary

• decimal

• octal

The ..............system is called the base two system.

• binary

• decimal

• octal

The ..............system is called the base ten system.

• binary

• decimal

• octal

In the decimal system, we use................... number symbols to represent

all possible numbers.

• one

• Two

• Ten

The binary system is used to send, receive, and.................. information on digital electronic devices.

• process

• delete

• store

Computers understand information represented by on/off.

• 
• 

The number 7 In the binary system is equivalent to (111) in the decimal system.

• 
•