REVISION

A computer is defined as:

• An electronic device that processes data and performs tasks according to instructions.

• A machine that only stores information without processing it.

• A device used solely for entertainment purposes.

• A tool for drawing and painting only.

Which of the following best describes the physical parts of a computer?

• Monitor, keyboard, mouse, CPU, printer

• Windows, Linux, MacOS, Android

• RAM, ROM, software, internet

• Spreadsheet, database, browser, email

Differentiate between data and information.

• Data refers to raw facts and figures, while information is processed data that is meaningful.

• Data and information are both processed facts with no difference.

• Information is raw facts and data is processed information.

• Data and information are synonyms and can be used interchangeably.

Which of the following are characteristics of a computer?

• Speed, accuracy, reliability, storage

• Speed, laziness, unreliability, storage

• Accuracy, unreliability, slowness, storage

• Reliability, laziness, slowness, storage

The computer screen is called a monitor because:

• it displays information and allows users to observe computer output.

• it stores data permanently for future use.

• it processes data and performs calculations.

• it connects computers to the internet.

The father of computers is:

• Charles Babbage

• Alan Turing

• Bill Gates

• Steve Jobs

The first computer to exist was:

• Apple I

• IBM PC

• Commodore 64

• Abacus

Identify the generations of computers during the electronic age.

• First, Second, Third, Fourth, Fifth

• supercomputers,mainframes,minicomps,microcomps

• Analog, Digital, Hybrid, Super

• Vacuum tube, Transistor, Microprocessor, Mainframe

Select the correct examples of computers under the following classifications:
a) Physical size
b) Functionality
c) Purpose

• a) Microcomputer
  b) ECG machine
  c) Special-purpose computer

• a) Mainframe
  b) Laptop
  c) General-purpose computer

• a) Minicomputer
  b) Tablet
  c) Gaming computer

• a) Supercomputer
  b) Desktop
  c) Personal computer

which statement best differentiates between analog and digital computers.

• Analog computers process continuous data, while digital computers process discrete data.

• Analog computers process discrete data, while digital computers process continuous data.

• Both analog and digital computers process only discrete data.

• Both analog and digital computers process only continuous data.