Q. Define the term computer? Or Define computer? Ans: Computer is an electronic and automatic device that accepts data and instruction (In form of program) as Input, processes it, and produces the results or information as Output. It has also capability to plug and play different devices. Q. Define Hardware and Software? Hardware: The physical and tangible components forming a computer are called “Hardware”. It includes not only the computer system but also cables, connectors, power supply units and peripherals such as Keyboard, Mouse, Audio Speaker, Printer etc. Software: The software refers to the program that instructs the computer what to do. Alternatively, the term Software refers to non – physical elements of a computer system. Software makes the hardware usable. Such as Ms. Office, Corel Draw, Oracle etc. Q. Define a programming language and state its type: Ans: Programming language: A set of rules that provides a way of telling a computer what operations to perform, is called...
See that glowing face? Yep, it's the super-enthusiastic Roborover from WowWee. We won't lie: we were a bit stoked by the arrival of this yellow explorer at Engadget's doorstep. Too bad it didn't exactly walk all the way from its warehouse, forcing us to go through the painful procedure of cutting up the tapes and untangling the ties of its shipping box. Five minutes later we've got a 4-pound robot on our hands, and we'd say overall the build quality is an eight out of ten (the cuts on the plastic parts could do with a finer finish) which is pretty good for a toy. You'll be pleased to know that those treads are for real and supported by a third mini roller at the back, but the friendly manual does say, "For indoor use only." Think we'll skip that page, thank you. Now kids, you might need your daddy's screwdrivers and some extra cash to feed the Roborover three "C" size batteries, and another three "AAA" ones for the chunky IR remote. All ready to go? Skip along to learn how the Roborover explores the "ancient tombs of your parents' closet."