1.2 (a,b) Number System and Representation

The action of displaying data on the screen

• Input

• Process

• Output

• Storage

The manipulation of data by a set of instruction that convert the data into information

• Input

• Process

• Output

• Storage

The process to keep data, information and programs in computer-processed form

• Input

• Process

• Output

• Storage

The data which is entered or captured electronically for processing

• Input

• Process

• Output

• Storage

The information which has been processed is produced in a usable form by people

• Input

• Process

• Output

• Storage

Which of the following is a valid binary number?

• 1021

• 29A

• 10110

• 2

Which number system uses base 16

• Binary

• Decimal

• Octal

• Hexadecimal

Which hexadecimal value is equal to the decimal number 15

• D

• F

• C

• E