DEFINITION OF COMPUTER Archives

DEFINITION OF COMPUTER Computer can be defined as a programmable machine which can accept data through an input device, process the data accepted with pre-defined instruction and present the result through an output device in a desired form. A Computer is an electronic device that can accept data, store data and processed data to produce useful information. Note: Data means any raw fact (e.g. number, worlds etc.) that we can give to the computer to work on or store. The computer system is therefore, the collection of the COMPUTER and PERIPHERAL DEVICES. The computer system can be divided into two main parts or groups, which are: The Hardware The Software c. The Humanware TYPES OF COMPUTER SYSTEM We have 3 types of computer system, they are Analogue Computer: These are computer that translate physical quality such as distance, velocity, temperature, acceleration, pressure, length, volume, voltage, info related or electrical equivalents. Digital Computer: These are computer perform calculation by counting of number precisely. Hybrid Computer: These are computer that may be concerned a combination of digital and analogue computers it is an advance type of computer system. CHARACTERISTICS OF COMPUTER Speed Accuracy Reliability Accessibility Flexibility Capacity PARTS OF A COMPUTER EVALUATION Define a computer. Differentiate between the computer and the computer system. State three characteristics of a computer. List two components of a computer system. ASSIGNMENT GO TO THE PC AND IDENTIFY AT LEAST 10 HARDWARE DEVICES THAT CAN BE FOUND ON EVERY COMPUTER SYSTEM. See also: Educator COMPUTER PROFESSIONAL SPREADSHEET ICT Gadget ICT as a transformational tool

OVERVIEW OF COMPUTER SYSTEM

DEFINITION OF COMPUTER