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Table of Contents
WHAT IS THE COMPUTER?
The phrase “computer” came from the word “compute” which means “to calculate”. Thus, the term laptop is used for any tool that Computes (or calculates). However, in on a regular basis lifestyles, this time period is used for an digital software which stores, retrieves and processes information in step with a suite of directions.
INTRODUCTION TO THE COMPUTER
CAPABILITIES OF THE COMPUTER
The pc is a multipurpose device. It plays many purposes. It plays its purposes appropriately and at a high speed. It can carry out its purposes appropriately and at a prime pace as it has the following capabilities:
The real power of the pc is the velocity at which it works. The pc can perform a lot of duties in a few seconds. it plays a job by means of dividing it into simple instructions. It then executes one instruction at a time. It can execute thousands and thousands of instructions in one second. The collection of directions that the pc can execute in a unit of time is called the processing pace of the computer. The computer clock generates electric pulses. One pulse is usually required to execute one easy instruction. The laptop clock generates millions of pulses (or signals) in one second. The choice of pulses generated in one second is named frequency. It is measured in hertz. One hertz is equal to one pulse (or signal) in one 2nd. Hertz is abbreviated as Hz. Nowadays, the clock pace of the computer is measured in MegaHertz (MHz) or Giga Hertz (GHz). The latest personal computers, e.g. Pentium IV, have clock speeds of Up to 3 GHz or extra.
DATA STORAGE & RETRIEVAL:
The computer can store a large amount of data, It can retrieve stored knowledge at a top pace. This skill of the computer to retailer information and retrieve it with great pace makes it appropriate for modern data processing tasks.
The main function of the computer is knowledge processing, DATA is any combination of characters, numbers, and emblems amassed for some objective referred to as data processing. Data processing comprises mathematics and logical operations. a Sequence of operations carried out on data to achieve a required result arrangement of information’ operations. It additionally includes the classification of knowledge and its transmission from one position to every other. The results of knowledge processing are known as output or data.
In addition to being very rapid, computer systems are also very accurate If calculations. a Contemporary pc can carry out thousands and thousands of operations 1r, one 2nd with none error. If the input knowledge and this system, directions are the right kind, then we think that the pc will produce the correct effects. The accuracy of calculation, due to this fact, will depend on the accuracy of input knowledge and correctness of program directions.
The laptop has the power to do paintings for lengthy hours. It is by no means tired. Also, operating for long hours does not impact its accuracy. You can Now obtain the Computer Fundamental Book in PDF format free. This ebook is of AIKMAN SERIES.
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