A computer …………………is an important device that allows a person to enter symbols like letters and numbers into a computer.

Related MCQs

• A computer ……………is a computer peripheral device that produces a hard copy (permanent human-readable text and/or graphics, usually on paper) from data stored in a computer connected to it.
• ……………..is a malicious software program written intentionally to enter a computer without the user's permission or knowledge.
• A …………..is an input device consisting of a stick that pivots on a base and reports its angle or direction to the device it is controlling.
• The first six letters on a modern keyboard reads
• In May 2007, the Tamil Nadu Archaeological Department found pots with arrow-head symbols during an excavation in Melaperumpallam near………………….
• A ………….is a device that captures images from photographic prints, posters, magazine pages, and similar sources for computer editing and display.
• Like a flatbed scanner, …………. consists of a light source, a lens and a light sensor translating optical impulses into electrical ones.
• While operating a computer, user enters some commands………………. converts these commands into a version which is readable by computer memory.
• A …………..is a small device that a computer user pushes across a desk surface in order to point to a place on a display screen and to select one or more actions to take from that position.
• During the World war II, a young German engineer, ……………studied the application of electronic analog circuits for the guidance and control system of liquid-propellant rockets and developed a special purpose analog computer, the ‘Mischgerat’ and integrated it into the rocket.