Skip to main content

Posts

Showing posts with the label characteristic of computer

Electronic Mail " E-Mail"

Introduction of E-Mail E-Mail is also known as electronic mail . It is equivalent of sending a letter though the mail.Primary component of the Electronic Mail system is a post office , it is an area on the shared hard disk that is reserved for mail. This post office serves as the central message holder and has both "in" and "out" baskets for each user . To send a message a link is established between the sender's  "out "basket and the addressee's "in" basket. The method for receiving mail depends on the sophistication of the system. When multitasking personal computers and workstation are used, mail can be delivered to users while they are working  on something else .Otherwise users have to interrogate their mailboxes (diskspace) in a central system or  file server. 👉   Communication network  is the backbone of electronic mail that connect remote terminals to a central system or a local area network that interconnec...

ANTI-VIRUS

                                                   ANTIVIRUS SOFTWARE Anti Virus is a software utility that detects,prevents and removes viruses, worms, and other malware from a computer. Most anti-virus programs include an auto-update features that permits the program to download profiles for new viruses,enabling the system to check for new threats. Antivirus programs are essential utilities for any computer but the choice of which one is very important. One AV program might find a certain   virus or worm while another cannot or vice-versa. Anti-Virus software is also known as an anti virus program or a vaccine. Anti-virus software searches the hard drive and external media attached to a computer for any potential viruses or worms. Broadly speaking, the two main approaches to virus detection are: Dictionary Approach...

WORD PROCESSING

TOPIC - SHORTCUT OF MS-WORD Computer Courses / 9717717164 EBEES INFOTRAIN CONSULTANCY SERVICES PVT. LTD.

COMPUTER ABBREVIATIONS & SOME INVENTORS

ABBREVIATIONS EBEESCORP www.ebeescorp.com Inventors Of Computer Hardware  (1) Key board — Herman Hollerith, first keypunch device in 1930 (2) Transistor — John Bardeen, Walter Brattain & Wiliam Shockley (1947 - 1948) (3) RAM —        An Wang and Jay Forrester (1951) (4) Trackball — Tom Cranston and Fred Longstaff (1952) (5) Hard Disk — IBM , The IBM Model 350 Disk File (1956 ) (6) Integrated Circuit — Jack Kilby & Robert Noyce (1958) (7) Computer Mouse — Douglas Engelbart (1964) (8) Laser printer — Gary Stark weather at XEROX in (1969) (9) Floppy Disk — Alan Shugart & IBM( 1970) (10) Microprocessor — Faggin, Hoff&Mazor – Intel 4004 COMPUTER TRAINING CENTER 9717717164

OUTPUT DEVICE

  OUTPUT DEVICES Output Devices are those devices of the computer system that supplies information or result either in the form of hardcopy (printer) or softcopy (Monitor). Now, What is Hardcopy & Softcopy? A soft copy (sometimes spelled " softcopy ") is an electronic copy of some type of data, such as a file viewed on a computer's display or transmitted as an e-mail attachment. Such material, when printed, is referred to as a hard copy . Some of the common Output Devices are as follow:- 1. Monitor  2.Printers 3.Plotters 4.Multimedia Projector  5.Speech Synthesizer 6.Speakers Project Management Some brief about the above: 1. Monitor (V.D.U) Monitor is also known as V.D.U (Visual Display Unit) .It look alike a television and its size is measured in term of diagonal length of the screen. Monitors are available in 9" , 12", 14" ,15" ,17" , 19" & even in 21" . It shows text , ...

INPUT DEVICES

                                                What is Input Devices? Input Devices are used to enter data or information into the computer or other data processing devices. Here are some Devices as follow: Keyboard   Mouse Joystick  Scanner  Voice Input and Recognition  System Optical Mark Reader  Magnetic Ink Character Recognition  Web Camera  Video Camera  AnyProject Management Courses Short Note over Input Devices :  Keyboard Keyboard is the main input device .Programs and any type of data entered into the computer through it . keyboard is attached to the computer, may be it is wired or wireless .A keyboard is similar to the keyboard of the typewriter. It contains alphabets, numbers, special characters ,arrow keys. When keys are pressed it give electric sign...