UNEB 2019 Sub-ICT

  1.  (a) Define the comuter.

Ans.  

A computer is an electronic device that is designed to accept data (input), process it according to a set of instructions (software), and produce information (output). It can perform a wide range of tasks, from basic arithmetic calculations to complex simulations and data analysis.

Computers come in various forms, including desktop computers, laptops, tablets, smartphones, and servers. They use various components, including processors, memory, storage devices, input/output devices, and networking hardware.

Computers have revolutionized the way we live and work, making it possible to perform tasks faster and more efficiently than ever before. They are used in various industries, including education, healthcare, entertainment, finance, and engineering, among others. 

   (b) Give any there peripheral device of a desktop computer.

  • Mouse - A mouse is a pointing device that allows the user to control the movement of the cursor on the computer screen. It usually has at least two buttons that can be clicked to perform various actions.

  • Keyboard - A keyboard is an input device that allows the user to type text and enter commands into the computer. It has a layout of keys that correspond to letters, numbers, and other symbols.

  • Printer - A printer is an output device that allows the user to produce physical copies of digital documents. It can print text, images, and graphics on paper or other materials. There are various types of printers, including inkjet, laser, and thermal printers.

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