poetry in truth

 The darkness fades away in the sun.

When I read, people's threats go awa

Even today, it is so-so often their "help" goes away when their friends need to come.y.

धूप में अंधेरों की बरकत चली जाती है।

पढ़ती है मैंने तो लोगों की धमक चली जाती है।

धमक तो आज भी यह इतनी -अपने दोस्त आने की जरूरत पड़ने पर अक्सर उनकी "मदद" चली जाती है।

COMMON ABBREVIATION USED IN MY TERMINOLOGY

 PC - personal computer

CPU - central processing unit

ALU - Arithmetic logic unit

RAM - Random access memory

ROM - Read only memory

WWW- World wide web

VIRUS - Vital information resource under siege

TCP/IP - Transmission control protocol / Internet protocol

HTTP - Hyper text transfer protocol

HTML - Hyper text markup language

UPS - Uninterrupted power supply

DOS - Disk operating system

OOP - Object oriented programming

E-mail - Electronic mail

CSS - Cascaded style sheet

MEASUREMENT UNITS OF DATA STORAGE

1 Byte = 8 Bits

1 Kilo byte (KB) = 1024 Bytes

1 Mega byte (MB) = 1024 KB

1 Giga byte (GB) = 1024 MB

1 Tera byte ( TB) = 1024 GB

1 Peta byte (PB) = 1024 TB

Hello let's introduce computer

 About Computer

Computer is a electronic machine

Computer is a capable of storing and processing large amount of information of dadt

Computer can do many types of work

Family members of computer

System unit

The case that contains the CPU , memory , the power supply , disk drives and all other hardware-such as a modem-that are in an interanl format.

Monitor

An output device that lets you see your work as you go.

Keyboard

The principal input device ; used to type instructions into the computer.

Mouse

A pointing device used to make on- screen selections.

Floppy disk drives

Reads from and writes to floppy disks.

HARD DRIVE

Located inside the system unit and used to store programs and most data.

CD/DVD Drive

Reads CD/DVD biscs

CD/DVD discs 

Commonly used to deliver program and St

store large multimedia files

Floppy disks

Used for storing small amounts of data for backup data to another PC

FLASH MEMORY Card Reader

Used to read flash memory Card

PRINTER

Produces printed copies of computer output

SPEAKER

Used to produce audio output

MICROPHONE

Used to get spoken input

Computer always need a program to perform any task

PROGRAM

A program is a set of instructions written in a particular language which direct the computer to perform a certain task. A program is normally executed sequentially but the sequence of its execution may be altered by using some control instructions. A common technique to know the program execution flow is by using flow chart.

FLOW Chart

A flow chart is a type of diagram that represents an algorithm or 

process , showing the steps as boxes of various kinds and their order by connecting them with arrows. Flow charts consist of symbols and flow lines. 

SOME IMPORTANT SYMBOLS :-

START / END

Terminators

PROCESS BOX

Input/output box

           a>b no

            Yes

            Decision box

          START

          Read n

         M = 1

         F = 1

 ------>

 | F=F*m

 | < - Is

      M =M+ 1 <No-M=N?

               YES

               Print f

               End

A B

Connectors ______>|

                                              |

                                 FLOW Chart

__________________________________________

More information about computer in next post

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