Computer as an IPO System
A computer is an electronic machine that works under the instructions given by us. In order to perform any work, a computer follows three steps: Input – Process – Output.… Read More »Computer as an IPO System
Computer Studies/ICT/IT (All Classes)
SOURCES OF INFORMATION
Information can come from virtually anywhere — media, blogs, personal experiences, books, journal and magazine articles, expert opinions, encyclopedias, and web pages — and the type of information you need… Read More »SOURCES OF INFORMATION
INFORMATION
MEANING OF INFORMATION Information is stimuli that have meaning in some context for its receiver. When information is entered into and stored in a computer, it is generally referred to… Read More »INFORMATION
Data
Data is a raw fact that needs to be processed. it is called raw and unorganized facts. It is useless until it is processed and well organized. TYPES OF DATA… Read More »Data
TYPES OF BOOTING
Cold Boot: when the user switches on a computer after it has been power off completely, Warm Boot: when the user restarts the computer. When the booting process takes place,… Read More »TYPES OF BOOTING
Booting the Computer
MEANING OF BOOTING Booting is the process of starting a computer. It can be initiated by hardware such as a button press, or by a software command Types of Booting… Read More »Booting the Computer
BASIC 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… Read More »BASIC COMPUTER CONCEPT
APPLICATION SOFTWARE – Full Explanation
Application Software These refer to the program used to solve a particular type of problem or variety of similar problems. Mostly, application programs are produced by an organisation for its… Read More »APPLICATION SOFTWARE – Full Explanation
ART OF INFORMATION PROCESSING – COMPREHENSIVE EXPLANATION
ART OF INFORMATION PROCESSING – CPMPREHENSIVE Art of Information processing can be defined as a series of actions or operations that convert data into useful information. It is the act… Read More »ART OF INFORMATION PROCESSING – COMPREHENSIVE EXPLANATION
OVERVIEW OF COMPUTER HARDWARE
COMPUTER HARDWARE Computer hardware efers to the physical component of the computer system. It is every physical part of the computer system that can be seen and torch e.g. Keyboard,… Read More »OVERVIEW OF COMPUTER HARDWARE
DATA AND INFORMATION
WHAT ARE DATA AND INFORMATION? Data are raw facts. This means that when facts are collected about people, places, items, and events, animal and so on, data is obtained. Therefore… Read More »DATA AND INFORMATION
COMPUTER OUTPUT DEVICES
AN OUTPUT DEVICES PRINTER: This is an output device, which can be used to produce Hardcopy output. TYPES OF PRINTER The types of printer are listed below; Impact Printers Non-impact… Read More »COMPUTER OUTPUT DEVICES
COMPUTER OUTPUT DEVICES
AN OUTPUT DEVICES An output device is a device that provides the result of data processing to the user. All output devices are grouped into a single unit of the… Read More »COMPUTER OUTPUT DEVICES
COMPUTER INPUT DEVICES: KEYBOARD & MOUSE
KEYBOARD This is a board that contains many which users can connect to the system unit to be able to enter words, numbers and special characters. It is an input… Read More »COMPUTER INPUT DEVICES: KEYBOARD & MOUSE
COMPUTER INPUT DEVICES
AN INPUT DEVICE This is a device which is used to enter data into the computer system. All input devices are collectively called input unit (i.e. input unit of the… Read More »COMPUTER INPUT DEVICES
HISTORICAL DEVELOPMENT OF COMPUTING DEVICES
There are some computing devices that came into existence in the 20th century including the modern devices. Examples of these devices includes: ENIAC EDVAC UNIVAC PC ENIAC: means Electronic Numerical… Read More »HISTORICAL DEVELOPMENT OF COMPUTING DEVICES
HISTORICAL DEVELOPMENT OF COMPUTING DEVICES II
JACQUARD’S LOOM Is a mechanical loom, invented by Joseph Marie Jacquard in the year 1801. It was used for manufacturing textiles with complex pattern. [e.g. damask, brocade etc.]. It was… Read More »HISTORICAL DEVELOPMENT OF COMPUTING DEVICES II
HISTORICAL DEVELOPMENT OF COMPUTING DEVICE
The term computing means using logical and mathematical methods to calculate or process data. Some devices were used to do this even before the invention of the computer. Examples of… Read More »HISTORICAL DEVELOPMENT OF COMPUTING DEVICE
COMPUTER HARDWARE & SOFTWARE
HARDWARE Computer hardware is generally used to describe all the electronic and mechanical elements of a computer system. It includes the physical equipment in a computer system e.g. cable, mother… Read More »COMPUTER HARDWARE & SOFTWARE
OVERVIEW OF COMPUTER SYSTEM
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… Read More »OVERVIEW OF COMPUTER SYSTEM