Computer Science Quiz

What is a computer?

• A machine that performs calculations

• A machine that stores data

• A machine that accepts input and provides output

• A machine that connects to a network

Which is correct information processing cycle

• To provide the results of processing

• To process data based on instructions

• To accept input from a source.

• All the above

Which of the following is not a type of personal computer?

• Notebook (or laptop) computer

• Tablet computer

• Desktop computer

• Supercomputer

_________________ is a sequence of events consisting of input, processing, storage & output.

• Communication

• Processing cycle

• Computer

• Information processing cycle

____________________ is the main component of a computer that controls the flow of data and instructions,

and is responsible for running the operating system and applications

• Random access memory (RAM)

• Input device

• Hard disk drive

• Central processing unit (CPU)

Which statement is TRUE about the device in figure above

• Output device

• Camera

• Input device

• To show image

These devices listed are categorised as

• Input

• output

• storage

• processor

Figure x shows the important device to store the information. X is refer to?

• Input

• storage

• Output

• Processor

Which type of memory allows the computer to store and retrieve data quickly?

• Random access memory (RAM)

• Hard disk drive

• Optical storage

• Read-only memory (ROM)

What is the purpose of computer storage?

• To process data

• To hold data permanently

• To provide output to the user

• To accept input from the user