User talk:ABHAY PRATAP SINGH

Introduction to Computer

What is a Computer ? An electronic device that stores, retrieves, and processes data or which manipulates data according to a list of instructions and which is composed of hardware and software.

Computers are popular because of following characteristics:

Speed: Computer can perform a task much faster than done manually. Accuracy: Computer gives accurate results compared to task done manually. Storage: Computer stores the information in its main memory and the same can be retrieved based on the requirement. Multitasking: Computer performs multiple tasks simultaneously. For example, one can use the computer to take a printout of an inventory report and at the same time can use it to draft letters. Communication: Computer can be used to exchange information between two or more computers. Internet is the best example of this.