1. MONITOR -CTR
Karl Ferdinand Braun introduce CRT(Cathode Ray Tube) with a fluorescence screen, know as the Cathode Ray Oscilloscope In 1897

Read More: www.history-compter.com

2. MONITOR -FLAT SCREEN OR LCD
George H. Heilmeier, an Inventor of LCD (Liquid Crystal Display) or Flat screen.
George H. Heilmeier, an electrical engineer who in the 1960s helped invent a kind of screen display that used liquid crystals to project images.

Read more: NYTimes.com

3. MOUSE
Mouse referred to as a mouse because it resembles the animal mouse.
It is used to control an arrow on the computer screen called the MOUSE POINTER.

Mouse was invented by a man called Douglas Englebert in 1963.

4. SCANNER
The first "Fax" device was developed in early 1840s by the Scottish inventor Alexander Bain (1811- 1877), who invented the first electric clock in 1840s

5. Computer Virus
Brain (Standard name for computer virus) that was release in January 1986, was written by two brothers, Basit Farooq Alvi and Amjad Farooq Alvi from Pakistan. The virus only infects the Boot Sector of storage media formatted.

6. JOYSTICK
Esnault-Petterie, an early 20th Century French Pilot, is credited with the invention of Joystick. The device was originally used for aircraft control.

7. CD
American inventor James T. Russel has been credited with inventing the first system to record digital information on an optical transparent foil.