COMPUTER SOFTWARE
COMPUTER SOFTWARE: TYPES, IMPORTANCE, FUNCTIONS AND OS Computer Software is refers to collection of programs (instructions) that cause the hardware to work. A program is a written instruction for a… Read More »COMPUTER SOFTWARE
Data Processing/Information Processing
PROCESS OF INFORMATION TRANSMISSION
INFORMATION TRANSMISSION PROCESS Information Transmission is the process of transferring information from one place to another. There are many ways by which information could by passed across to somebody or… Read More »PROCESS OF INFORMATION TRANSMISSION
COMPUTER STORAGE DEVICES
COMPUTER STORAGE DEVICES Computer Memory This is the part of the computer where data, programs and information are stored for use of the computer. It comes in form of a… Read More »COMPUTER STORAGE DEVICES
COMPONENTS OF COMPUTER (OUTPUT DEVICES)
OUTPUT DEVICES These are hardware components used to obtain results from computer after processing. They convert data from machine-readable format into human readable format. Examples of output devices are monitor,… Read More »COMPONENTS OF COMPUTER (OUTPUT DEVICES)
COMPONENTS OF COMPUTER (INPUT DEVICES)
INPUT DEVICES These are hardware components used in entering data into the computer for processing. They convert data from human-readable form into machine readable format. They take information from the… Read More »COMPONENTS OF COMPUTER (INPUT DEVICES)
APPLICATION OF ICT IN THE SOCIETY
APPLICATION OF ICT IN THE SOCIETY Application Areas of ICT ICT in Everyday Life. ICT is an acronym which stands for Information and Communication Technology. It is defined as set… Read More »APPLICATION OF ICT IN THE SOCIETY
NUMBER BASES
NUMBER BASES CONVERSION OF OTHER BASED TO DECIMAL SYSTEM To convert numbers in other bases to denary system, expand the given number in powers of its base and evaluate. Examples… Read More »NUMBER BASES
CLASSIFICATION OF COMPUTERS
Computers can be classified based on the following criteria Development of technology (by generation) Principle of operation (by type) Storage capacity or by configuration (by size) Degree of versatility (by… Read More »CLASSIFICATION OF COMPUTERS
DIGITIZATION OF DATA
DIGITIZATION OF DATA What is Digitization of data? Digitization is the process of converting analog information into a digital format. For example, scanning of analog source like printed photos or… Read More »DIGITIZATION OF DATA
DATA AND INFORMATION
DATA AND INFORMATION What is data? Data refers to raw facts yet to be processed. It is a fact, number or text that can be processed by a computer. Data… Read More »DATA AND INFORMATION
GENERATIONS OF COMPUTER
GENERATIONS OF COMPUTER A generation is often referred to the state of improvement in the development of a product. Generation of computer is the advancement of computer technology from time… Read More »GENERATIONS OF COMPUTER
COMPUTER ROOM AND MANAGEMENT ETHICS
COMPUTER ROOM AND MANAGEMENT ETHICS What is computer room? A computer room is a place where computers are kept for use. Computers need a room well ventilated and conductive for… Read More »COMPUTER ROOM AND MANAGEMENT ETHICS
Concept of Data Processing
Data processing is the process of converting raw fact (data) to information (processed data). It embraces the techniques of sorting, relating, interpreting and computing items of data in order to… Read More »Concept of Data Processing
Number Bases
Number Bases Number Bases – Binary Number System, Octal Number System, Denary Number System (Decimal) and Hexadecimal Number system.
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