Category: Computer Studies/ICT (Junior Classes)

System UnitSystem Unit

Hits: 33SYSTEM UNIT A system unit is the box that houses the sensitive computer hardware. It allows a good and neat arrangement of computer hardware. The cases of the system unit are made of light weight fabricated steal. Types of casing The type of casing or housing determine shapes system units. They are as follows. […]

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COMPUTER OPERATIONSCOMPUTER OPERATIONS

Hits: 35FUNDAMENTAL COMPUTER OPERATION – SYSTEM START UP, BOOTING AND SHUT DOWN (I) System Start Up: This is a general term used to describe the process of preparing the computer, operating system, hardware, or software for operation. This is more commonly referred to as the boot or boot up. (ii) Booting: Booting is a process […]

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OUTPUT DEVICESOUTPUT DEVICES

Hits: 65OUTPUT DEVICES:  There are the physical components of a computer used to obtain results from computer after processing. There devices convert data from machine-readable format into human-readable format. Examples: (a) Monitor (b) Printer (c) Plotter (d) Speaker (e) Projector (f) Microfilm, etc. (a) MONITOR: This is an output device that displays the result of […]

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MOUSEMOUSE

Hits: 20MOUSE A mouse is a hand-held input device that controls the movement of the cursor or pointer on the screen of the monitor. Mouse has at least two buttons and sometimes newer mice also include a scroll wheel for scrolling through long document. The button on the left is called the primary mouse button, […]

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KEYS ON KEYBOARDKEYS ON KEYBOARD

Hits: 14 KEYS ON KEYBOARD A keyboard is an input device that resemble a typewriter, which is used to type text, numbers, symbols, commands and to give instructions to the computer. Alphanumeric keys: These are used to type letters and numbers, the letters A – Z, a – z and the digital 0 – 9. Punctuation […]

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INPUT DEVICESINPUT DEVICES

Hits: 36INPUT DEVICES An input device is a peripheral (piece of computer hardware equipment) used to provide data and control signals to an information processing system such as a computer or information appliance. Examples of input devices include keyboard, mouse, scanners, digital cameras and joysticks, etc. An input device is any hardware device that sends […]

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BASIC COMPUTER CONCEPT 9

BASIC COMPUTER CONCEPTBASIC COMPUTER CONCEPT

Hits: 98BASIC COMPUTER CONCEPT Definition of Computer Computer is an electronic device or machine which has the ability to accept data, process data and send out information as output. it has the ability to store and retrieve information. A computer is a programmable machine, it allows the user to store all sorts of information and […]

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Definition of computerDefinition of computer

Hits: 17 BASIC COMPUTER CONCEPT. Specific Objectives: At the end of the lesson, students should be able to: Define a computer Describe a computer as an Input-Processing-Output (IPO) system Identify the components of a computer Know how computer software work Definition of Computer Computer is an electronic device or machine which has the ability to […]

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