Functions of Central Processing Unit (3 marks)
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Explain the meaning of backup
Why should you first switch on the UPS before switching on the system unit and the monitor?19/7/2023 Why should you first switch on the UPS before switching on the system unit and the monitor?
Effects that dust would have on the operation of computers
A computer user may interact with a computer either through Graphical User Interface GUI) or through typed commands.
Highlight four factors one should consider when purchasing a printer
Describe the structure of a hard disk in reference to cylinders, tracks and sectors.
State the purpose of registers in a computer system.
Explain four methods of classifying computers.
Differentiate between Analogue and Digital data.
Computers have evolved through a number of generations. List any three characteristics of the First generation of computers.
Describe the role of an operating system in:
State two health issues that may result from prolonged use of computers.
Give two advantages of a Digital Versatile Disk over a normal Compact disk.
Computer systems are built from three types of physical components: Processor, memories and Input/Output devices. State two tasks of a processor
List any four examples of computer output devices.
Distinguish between cold booting and warm booting.
Identify two proper sitting postures while using the computer.
List three factors to be considered when purchasing a microcomputer.
What are peripheral devices?
Distinguish between a menu driven operating system and graphical user interface operating system19/7/2023 Distinguish between a menu driven operating system and graphical user interface operating system MENU DRIVEN INTERFACE
THE GRAPHICAL USER INTERFACE (GUI)
The operating system stores details of a file for easy identification and retrieval of files. Explain any four file details the operating system uses to search and identify a file
Define the term file in relation to the operating system
Explain any four factors that dictates how the operating system organizes data in a computer19/7/2023 Explain any four factors that dictates how the operating system organizes data in a computer
State any four factors to consider when selecting an operating system
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