GCSE AQA Computer Science Paper 2 Exam Fully Solved 2024

computer - Answer machine that processes data computer system - Answer consists of hardware and software that work together to process data / complete tasks. hardware - Answer physical components of a computer e.g. (cpu, motherboard, monitor) software - Answer programs that a computer system runs e.g. (word processors, web browsers, email clients, games) embedded systems - Answer computer systems built into other devices what are embedded systems often used as? - Answer they are used as control systems. they monitor and control variables to achieve a desired results. embedded system properties - Answer - easy to design - cheap to produce - more efficient and doing their task than a general purpose PC computer components - Answer - power supply - case cooling fan - cpu heat sink and cooling fan - cpu - optical drive - ram sticks - motherboard - hard disk drive CPU - Answer Central processing unit Arithmetic Logic Unit - Answer - does all the calculations - performs logical operations and binary shifts - results are stored in registers