Computer Hardware Questions and Answers Rated A+

Computer Hardware Questions and Answers Rated A+ Central Processing Unit a silicon chip that processes data and carries out instructions given to the computer Data Bus includes the wiring and pathways by which the CPU communicates with the peripherals and components of the computer Motherboard where the computer memory and other vital electronic parts are stored Hard Disk Drive fixed storage; the main storage device for a computer Byte a single character of data; made up of 8 bits Resolution how clear an image will be on the screen and is measured in pixels Computer System made up of components that include input, processing, and output devices Peripherals additional components that are not essential, but enhance the operations of a computer Hardware the physical components, devices, or parts of the computer Pixels tiny dots that make up the display to present the full spectrum of colors Computer a machine that is used to store, retrieve, and manipulate data Keyboard information is entered into a computer by typing Mouse a hand-held device used to move a pointer on the computer screen Bar Code Reader a hand-held device used to scan UPC bar codes (universal product codes) which track merchandise and equipment or other types of inventory in a store Microphone sound input device which accepts speech or sounds as input and converts the speech to text or data Touchpad a digital tracking device situated on the keyboard of a laptop computer; allows you to simply move and tap your finger on a small electronic pad to control the pointer on the screen Touchscreen works like a mouse by using your finger to move around the screen Tablet PC allows you to input data by writing directly on the computer screen; handwriting recognition technology converts handwritten writing to text Trackball has a roller ball that turns to control a pointer on the screen Scanner input device that converts text or graphics from a printed page into code that a computer can process Diagonal the size of a monitor is determined by measuring the ?? of the screen Printers they let you produce a paper printout of information contained in the computer and use either inkjet or laser technology to produce high-quality print USB Flash Drive a very portable small storage device that works both as a drive and a storage medium; it plugs directly into a USB port on the computer system unit; you read and write data to the drive. Magnetic Tape a medium most commonly used for backing up a computer system, which means making a copy of files from a hard drive Binary Code data digitally encoded as a series of 1's and 0's, corresponding to the electrical values of on and off, respectively Bit smallest increment of data on a computer; can only hold one of two values, either a 0 or 1, representing off or on.