ocr computing 1.0 / 5 based on 1 rating ? Computingocr computingGCSEOCR Created by: kshaw420Created on: 26-01-18 14:53 what 3 things must a computer system be able to do input,process,outut 1 of 30 give 3 examples of an input device keyboard,mouse,webcam 2 of 30 give an example of a processing divice sound card, graphics card 3 of 30 give 3 examples of an output device speaker,monitor,plotter 4 of 30 what are 3 points as to why computer systems are inportant in the modern world communicate and work with people worldwide save lives(eg999systms)improve quality of life allow secure data access 5 of 30 in computing,what is meant by reliability how dependable a computer system is to carry out a job you have entrusted it with 6 of 30 what is a general purpose computer system a computer system that can load and operate wirh various app e,g a laptop/desktop 7 of 30 what is a dedicated computer system specilly produced systems that have one purpose,e,g,ticket vending machine 8 of 30 what is a control computer system computer systems that control machinery their output is read by another machine rather than a human 9 of 30 what is a embedded system computer system that are part of a larger system 10 of 30 give 2 examples of an embedded computer system digital watches,satnaves,cameras,mp3 players,traffic lights,and controllers of machinery 11 of 30 what is an expert computer computer systems that are designe to behave like a human experts in a particaular field 12 of 30 what is a management system a computer system that brings together infromation from diffrent part for a copany for human managers to make an informed decision 13 of 30 why must computer system by reliable so it has the abilit to save lives it could be the diffrence between life and death.e.g ATC and medical situations 14 of 30 define data integrity data being sccurate and consistant throughout it life and reflicting what i means in the real world 15 of 30 how can data intergity compromised human error,viruses,bugs in code hardware malfunctions and natural disasters 16 of 30 give 2 resons why software often has errors after being released software is complex testing is expensive,testing is time consuming 17 of 30 what are de faco standards they ensure something are the same across computers systems so they can be used by everone e.g qwerty keyborads 18 of 30 what are de jure standards standerds that mush be adhered to by law they are universally accepted e,gASCII and PDF 19 of 30 what are propietary standerds they are decided by the comany and ensure all their produce work seamlessy together 20 of 30 what are industry standerds standerds set by recognised non-commercal organisation e.g ANSI 21 of 30 what are open standards non dominated by any one particular group and are produced collaboratively so they can be used across many apps and pieces of hardware 22 of 30 give 2 examples of open standards HTML.HTTP,WAP,WQL 23 of 30 give 3 ways evergy can be saved in a computer system automatic standby,solid state storage (dosent rotate),modern screens tat are more efficient 24 of 30 why can computers be bad for the environment contain toxins (cadmium ect),need electricity to run which usually means fossil fuels have been burned 25 of 30 give 3 points of data protection act not tranfer data outside the eu,aloww people to access data for no more then £10correct information when requested dequate protection must be in place 26 of 30 what is the ALU arithmetic and logic unit of the CPU,it dose the mathematical aspects of the F-D-E cycle 27 of 30 which is the basic achitecture that all computer systems use von nuemann 28 of 30 where are data and instructions stored and how RAM,as binary numbers 29 of 30 what is the control unit it uses electrical siqnals to control the flow data through the CPU 30 of 30
Comments
Report