ROM is simply Read Only Memory. It is also a part of main memory. It is a type of memory that can permanently or semi permanently hold data. As the name implies it can only read the data and it needs a special program to write data. It is a non-volatile memory, so the data […]
Ram is simply Random Access Memory. RAM is a part of main memory. RAM is called main memory because we can randomly and quickly access any location in memory. It is used to store instructions waiting to be obeyed, instructions currently being obeyed, data awaiting processing, data currently being processed, and data awaiting output.
RAM are […]
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” […]