Computer Basics

October 31, 2011

Computer hardware

Computer hardware

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basic computer science concepts

important to you a solid understanding of why the computer responds to commands have their end users. It does not matter you know everything, but the basic idea is important.

There are three essential components Desktop / Laptop computing needs.

Hardware and Software Control

Hardware – Introduction

computer hardware is the foundation of the computer system. Hardware is the physical component of the computer. The hardware includes the most basic computer system, the central processing unit (CPU), monitor and keyboard.

central processing unit (CPU) is part of a data processing system on a computer that takes place. Chip processor or CPU is the brain of the computer. All information, interpretation and processing occur in a single chip that

Memory. RAM memory and storage memory

main memory is the processor stores the computer programs should operate. Two forms of computer memory or permanent storage , unharmed between computing sessions temporary or random access memory (RAM) , which is available only for calculation of the current session remains. RAM is lost when turn off the computer, as opposed to space.

instructions are received by the computer is stored by the user and the computer processes the information in RAM is temporary during an important meeting. As long as the computer starts, the memory remains intact and active, but if you closed – lost the computer that information. To prevent the information from loss, first save the data on permanent storage hard disk, and then turn off the computer.

index storage capacity of computer bytes of information. Byte is the amount of space required for a single character (letter or number), KB is approximately 1000 bytes and mega is one million bytes. Also temporary random access memory (RAM) and permanent memory (hard disk is measured in bytes of information).

1 KB = 1000 bytes

1 megabyte = 1 million bytes

1 GB = 1 billion bytes

> 1 TB = 1,000,000,000,000 bytes


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week 122 Computer Hardware: Computex Festival


USC gets first quantum computer
Computer Hardware
Superposition of D-Wave computer will be moved by manipulating the temperature. D-Wave Systems Hardware is millikelvin 20, which is held near absolute zero – the coldest possible temperature in the universe. This allows metals
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