Computer concepts exam 1 with complete solutions

data - Answer- representation of a fact, figure, or idea **can be a number, word, or picture, or a recording of a sound. information - Answer- data that has been organized to be usable processing - Answer- manipulating, calculating, or organizing data information 4 jobs of a computer - Answer- 1. accepts input 2. Processes data** 3. stores data 4. produces output input - Answer- data that you type into the computer output - Answer- result of the computer processing your input computer system is made up of: - Answer- hardware software peripherals Hardware - Answer- the physical components **classified by the job it performs Processing Hardware (back of the computer) - Answer- -motherboard -microprocessor -cards what does the motherboard do? - Answer- hardware that: is the main electronic component of the computer what does the microprocessor do? - Answer- hardware that: is one of the most important pieces of the hardware ON THE MOTHERBOARD. **is a silicone chip designed to manipulate data. what do the cards do? - Answer- hardware that: are the removable circuit boards to expand the capabilities of the motherboard software - Answer- the programs or lists of instructions 2 types of software - Answer- 1. system software- carry out basic tasks 2. application software- helps carry out variety of tasks 4 types of system software - Answer- 1. operating systems 2. utilities 3. device drivers 4. programming languages examples of system software - Answer- Windows Server Linux Unix- multiuser operating system operating system - Answer- controls the input and output, and the flow of data from the microprocessor to memory to peripherals. -makes multitasking possible utility program - Answer- small but big job- performs general housekeeping task for computer peripherals - Answer- the additional components ex: printers, mouse, keyboard 4 types of computers - Answer- -personal or microcomputers **ex: desktop, notebook, laptop, table PC -hand-help or PDAs -mainframes -supercomputers what are mainframes? - Answer- type of computer used by companies to provide storage, processing, and management for large amounts of data what are supercomputers? - Answer- type of computers that are the largest and fastest and can process enormous volumes of data hardware Input devices - Answer- -keyboard -pointing device: mouse, trackball, touch pad, pointing stick -scanner ergonomic keyboard - Answer- minimizes muscles strain and a host of related problems. allows typing at a slight angle for a more natural human form. ergonomics - Answer- applied science devoted to making equipment and its surroundings more safe and efficient hardware output devices - Answer- -monitor **ex: flat panel, LCD (liquid crystal display), CRT (cathode ray tube-big bulky monitor) -printers: nonimpact and impact