Keyboard is the main means of communication with the computer. It is an input device. Program and data are entered into a computer through a keyboard are partially similar to the standard typewriter. It contains alphabets (A-Z or a-z), digits(0-9), special keys (!,@,#,$,%,^,& etc.) and some control keys. Most of the keys are typematic i.e. […]
Cache memory (pronounced as “cash”) is placed between CPU and main memory. It is a semi-conductor memory consisting of static RAMs. It is a special and very high speed memory called a cache used to increase the speed of processing by making current program and data available to the CPU at a rapid rate.
It stores […]
The basic processing of a computer begins with memory fetch or read cycle and the memory fetch is routed to the memory unit.
The memory unit consists of a large number of storage locations each with its own unique address. The CPU can randomly access any location in memory where RAM is often used. And this […]
Computer has a large area to serve for. It is used to perform many activities in different fields of day-to-day life. Most probably computers are used in business field. However its use not limited only to business field.
Some fields where there is use of computer are as follows:
Computer are used in banking for general purpose […]
Computers are of different types based on size, work, model, brand, etc. So today a simple answer for “what/which computer you have?” is not sufficient. A single computer can be micro in the basis of size, IBM on the basis of brand, AT on the basis of model, and digital on the basis of work. […]
Computer is a technical device which has brought enormous changes in our world. By the global influence of computers individual members and society cannot stand apart in isolation. Computer has played vital role in changing agent of day-to-day interactions which have taken universal shape at the root.
Computer has been derived from the Latin word “computere” […]