Ict2612 Exam Pack 2022

1. Hardware physical components which make up the computer system 2. Software collection of instructions that can be run on a computer 3. Central Process- ing Unit (CPU) Brain of the computer that performs instructions defined by software 4. Motherboard a printed circuit board that allocates power to the CPU, RAM, and other hardware components 5. Memory Any data or instructions that are to be processed by the CPU 6. Graphic Card A device that attaches to the motherboard to enable the computer to process and display graphics. 7. Sound card A device that attaches to the motherboard to enable the computer to input, process, and delivers sound 8. input hardware devices 9. output hardware devices 10. External storage devices 11. RAM (Random Access Memory) input data into a computer. eg. mouse, keyboard, and microphone output data from a computer eg. monitors, speakers, print- ers provides external storage or backup solutions eg. external hard drive (USB) short term memory where data is stored as processor needs it. 12. Backing storage non-volatile which means that data is not lost when com- puter is turned off 13. Operating sys- tem provides security and prevents unauthorised access to a system Helps the user interact with the computer through a user interface 14. utility computer system software intended to analyze, configure, monitor, or help maintain a computer. 15. Device driver a set of files that tells a piece of hardware how to function by communicating with a computer's operating system 16. Internal hard- ware devices (de- finition) 17. Internal hard- ware devices (ex- amples) processes data or execute a program Processor (CPU) Motherboard Random Access Memory (RAM) Read Only Memory (ROM) Video and Sound Card Internal Hard Disk Drive 18. often externally connected to the computer to control ei- ther input or output functions. external hard- ware devices (de- finition) 19. external hard- ware devices (ex- ample) Monitor Keyboard Mouse Printer External Storage Devices