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1. Explain the following terms as used in computer science:
(a) Data.
(b) Program.
(c) Data processing.
(d) Information.
3. List down four characteristics of a computer.
4. State four different parts that make up a computer.
5. (a) Explain the term System Unit.
(b) Name four components found in the System unit.
6. (a) What are peripheral devices?
(b) Give two examples of peripheral devices.
(1 mark)
2 marks)
(2 marks)
(2 marks)
(4 marks)
(2 marks)
(1 mark)
(4 marks)
(1 mark)
(1 mark)
(b) Computers have evolved through a number of generations. List any 4 characteristics of
the First generation of computers.
(4 marks)
(c) Give four differences between today's computers and the first generation computers.
(b) Briefly discuss the classification of computer according to historical development
(generations)
9. Explain four methods of classifying computers.
(10 marks)
(4 marks)
10. Giving two points in each case, state the difference between the following types of
computers.
(a) Supercomputer and Mainframe computer.
(2 marks)
(b) Digital computer and Analogue computer.
(2 marks)
(c) Special-purpose (dedicated) computer and a General-purpose computer.
(2 marks)
(d) Desktop computers and Laptop computers.
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11. (a) Explain the emerging trends in Microcomputer technology in relation to size. (1 ma



Answer :

GinnyAnswer

Final answer:

This response explains computer science terms, characteristics, computer parts, system unit, and peripheral devices.


Explanation:

Explanation of Computer Science Terms:

  1. Data: Represents raw facts and figures that can be processed to obtain meaningful information. For example, the temperatures recorded throughout a day.
  2. Program: Sequence of instructions that tells a computer how to perform specific tasks. For instance, a web browser program.
  3. Data processing: Involves converting data into useful information through various operations like sorting, calculating, and summarizing.
  4. Information: Processed data that provides meaning or context. An example could be a weather report derived from temperature data.

Characteristics of a Computer:

  • Input capability
  • Processing capability
  • Storage capability
  • Output capability

Four Parts of a Computer:

  • Central Processing Unit (CPU)
  • Memory (RAM)
  • Storage Devices (Hard Drive or SSD)
  • Motherboard
  • System Unit:
  • It houses the main components of a computer, such as the CPU, RAM, and motherboard.
  • Components in the System Unit:
    • Central Processing Unit (CPU)
    • Random Access Memory (RAM)
    • Motherboard
    • Power Supply Unit (PSU)
  • Peripheral Devices:
  • Devices that connect to the computer to provide input, output, or storage functions.
  • Examples of Peripheral Devices:
    • Mouse
    • Printer

  • Learn more about Computers and Technology here:
  • https://brainly.com/question/20414679

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