An operating system is a group of computer programs that coordinates all the activities among computer hardware devices. It is the first program loaded into the computer by a boot program and remains in memory at all times. Functions of an operating system The basic functions of an operating system are: Booting the computer Performs […]
Functions of Operating System Read More »
FIRST GENERATION OF COMPUTERS Electronic machine which was distinct from mechanical computers evolved about 1945. UNIVAC is a good example of this generation of computers. Computers of this generation were characterized by: They used Vacuum tubes. They were very large and expensive. They were very bulky. They had a low retentive memory. They generated a
GENERATIONS OF COMPUTERS Read More »
Definition: An operating system is a collection of programs that control the application software that users run and provides a link between the hardware and software currently running on the computer. The operating system is also responsible for the management and control of all resources (memory, hard drives, monitor, etc.) that are shared amongst the
Examples of Operating System Read More »
An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs. The operating system is a component of the system software in a computer system. Application programs usually require an operating system to function. Time-sharing operating systems schedule tasks for efficient use of the system
ICT has turned this world to a global village. Apart from communication, that is, reaching people both far and near; it has also made the work easier and better. Better productivity, salaries, health care and even farming and education. SECTORS WHERE ICT HAS PLAYED MAJOR ROLE Education Banking Industry Commerce EDUCATION ICT is applied in
ICT APPLICATION IN EVERYDAY LIFE Read More »
EARLY MECHANICAL COUNTING/CALCULATING DEVICES Abacus Slide rule EARLY ELECTRO-MECHANICAL COUNTING DEVICES John Napier bone Blaize Pascal machine Gottfried Leitbnitz machine Joseph Jacquard Loom Charles Babbage analytical machine EARLY ELECTRONIC COUNTING DEVICES Herman Hollerith punch card John Von Neumann machine Man has put in every effort to have better methods of calculations. As
HISTORY OF COMPUTING Read More »