SKF1 INTRODUCTION TO COMPUTER

What is a computer?

• A machine that performs calculations

• A machine that stores data

• A machine that connects to a network

• A machine that accepts input and provides output

Above is information processing in computer, except

• Input / Output

• Power supply

• Process

• Storage

What is the main processor of a computer called?

• Random access memory (RAM)

• Input device

• Hard disk drive

• Central processing unit (CPU)

Figure X show a device that connected to the computer, which statement TRUE about the device

• Input / Output

• Power supply

• Process

• Processor

These devices listed are categorised as

• Mouse

• Keyboard

• Microphone

• Input

• Storage

• Output

• Processor

These devices listed are categorised as

• Random Access Memory

• Read Only Memory

• Input

• Storage

• Output

• Processor

What is the purpose of computer storage?

• To process data

• To provide output to the user

• To hold data permanently

• To accept input from the user

What is software?

• Memory chips that store data

• Instructions that make the computer perform tasks

• Output devices of a computer

• Physical devices of a computer

Statement “Store data and program instructions, either temporarily or permanently” refers to

• Input

• Output

• Memory

• Processor

This device used for data storage purposed, except

• Flash drive

• Central processing unit

• CD-ROM

• Read only memory