Words and meaning

1. Arithmetic logic unit- 2. Work station-is a desktop computer 3. Minicomputer-a computer whose size speed and capabilities lie between those of a mainframe and a microcomputer. 4. Supercomputer- is able to process hundreds of millions of instructions per second. They are used for such application as weather forecasting, space exploration genetic engineering and other […]

Work Skills And Ethics

General Care of the Computer– includes dusting the systems unit and the peripherals, covering the units when not in use, keeping the table surface and work environment clean and clutter free.   Ensure acceptable standards of work: Organisation of work. Quality of assignments for submission Effective time management Follow-up procedures.   Elements of desirable habits […]

Effects of Information Technology on Society

Effects of Information Technology on Society

Introduction Information Technology is a branch which has recently been derived from computer science. It simply refers to the use of computer and other technologies for the management of vast information. This branch develops technologies (software and hardware) for information management and also solves information management. A research was conducted in depth to find out both […]

Disadvantages of impact printers(Simpler Answer)

Disadvantages of impact printers(Simpler Answer)

Disadvantages of impact printers(Simpler Answer) They are noisy They create noise when the pins or typeface strike the ribbon to the paper. The use of Sound dampening enclosures or covers become necessary in quiet environments. They have limited scope They can only print lower-resolution graphics. Their colour performance is low. They print low quality printouts. […]

Work Skill And Ethics

Standard of Work Produce high standards of work Make few errors Develop the skill of ethic and moral values that would make you a valuable member of your society or work place.   Organisation of work: Arrange your work area so that you can function efficiently and effectively. Ensure that items frequently used are always […]

Communication Media & Devices

Wireless network: A wireless does not use cables. It uses infrared or microwave radio signals to transmit and receive data. Wireless network are used where cables are inconvenient, for eg. If the network is created among building separated by streets. They are usually more expensive than cable-linked network. Cellular network: Some cellular phones are use […]

Efficient data communication

Efficient data communication must be Accurate Timely Cost effective Data communication allows users to transmit and receive data and information. The term media is the collection name for material s(tape, paper, disk) used to hold or transmit data. Communication media refers to the material used to transmit data and includes cables, fibre-opitc cable, radio waves […]

A Typical computer(What A Computer Consist OF

A Typical computer The computer case is also called the system unit. It contains the most important part of the system, the central processing unit (also called CPU) or brain of the computer. You cannot see the CPU unless you open the system unit. The system unit also contains other parts, many of which can […]