Sec 1 CPA CPF 2

CPF 2

Input - Process - Output​

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Actions taken by a computer to

manipulate or calculate data to produce useful information.

​Process

A computer accepting data or instructions from

a user.

​Input

Key Concepts

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to produce meaningful output.

​Input needs to be correct

Computer’s communication of the results of a process operation to a user.

​Output

Key Concepts

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Allow computers to display information to the user.

​Output Devices

Allow users to enter data into computers.

​Input Devices

Key Concepts

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Multiple Choice

Which computer operations allows us to view an image

on a computer screen?

• Process

• Output

• Input

• Display

Multiple Choice

Which is an input device?

• Plotter

• Screen

• Speaker

• Webcam

Multiple Choice

Hassim wants to digitise some old photographs. Which device is most suitable for this purpose?

• Keyboard

• Printer

• Scanner

• Microphone

Multiple Choice

Computers can produce useful information when a set of wrong data

is entered.

• True

• False

Multiple Choice

During a process operation, the user receives information

from the computer.

• True

• False

Multiple Choice

The computer works on some data to produce information. This is the _________ operation

• Input

• Process

• Output

Multiple Choice

The computer communicates information to a user. This is the _________ operation

• Input

• Process

• Output

Multiple Choice

The computer accepts data or instructions from a user.This is the _________ operation

• Input

• Process

• Output