haacook.blogg.se - Fundamentals of computer by balaguruswamy pdf free download

Storage Capacity:Computers are capable to store huge amounts of data which depends on the capacity of the hard disk.Ĥ. They respond to the user as per the input instructions.ģ. Accuracy: Computers provide a high degree of accuracy. Speed:The computer can process data very fast at the rate of millions of instructions per second.Ģ. It is used to store information during the time of program execution and is possible to get any type of information from it. Storage It stores data and programs permanently. It is mainly used to display the desired result to the user as per input instructions.Ĥ. Output It makes processed data available to the user.

It can be calculations, comparisons or decisions taken by the computer.ģ. Processing It is the sequence of actions taken on data to convert it into information that is meaningful to the user. It sends data and instructions to the Central Processing Unit (CPU).Ģ. InputInformation or data that is entered into a computer is called input. The computer performs four basic functions which are as followsġ. It is also used to handle accounting, database management, presentations, games, and so on.

A computer is used to type documents, send E-mails and browse the Internet.

it has the ability to store, retrieve and process data.

A computer is an electronic device that manipulates information or data according to the set of instructions.

The word computer has been derived from the Latin language.

It should be noted that for most government exams, the most basic questions are asked by the computer department because the marks for this department are not overweight. Fundamentals of Computer PDF || Computer Basics NotesĬomputer Fundamentals is a common issue for most government exams, especially for banks, railways, OSSSC, SSC and various state Competitive exams.