Term 1 Components of a computer Flashcards
What are the four main elements of a computer system?
input, processing, storage and output
What two things are held in a computer’s storage?
programs and data
When did home computers start becoming popular?
the 1980s
When did the internet start to be used in homes and schools?
the 1990s
What does MTBF stand for?
Mean Time Between Failures (a measure of the reliability of a system)
Which of these computer systems would be likely to affect most people if it failed? The school network Your microwave at home Security at Bristol Airport Clevedon library's check-out system
Security at Bristol Airport
Which act of law covers you against companies holding your private data without your permission?
The Data Protection Act
Which act outlaws hacking into someone else’s computer
The Computer Misuse Act
Which law protects owners of creative works?
The Copyright, Designs and Patents Act
What are the environmental 3Rs?
Reduce, Reuse, Recycle
What is the definition of a computer system?
hardware and software working together to create a working solution
Which of these input & output devices would be best for a machine to issue tickets?
A) A keyboard, credit card reader, printer and screen
B) A mouse, credit card reader, screen and speaker
C) A barcode scanner, credit card reader and screen
D) A microphone, speaker, screen and mouse
A) A keyboard, credit card reader, printer and screen
When designing a website to sell things which of these would you have to include for ethical reasons?
A) An eye-catching home page with lots of shiny logos
B) The best discounts anywhere on the internet
C) A 24/7 help system available for customers
D) Accepting a wide-range of payment methods
C) A 24/7 help system available for customers
Which of these are environmental impacts due to computing?
A) Increased amounts of plastic micro-beads going into the oceans
B) Increased levels of deforestation in the amazon
C) Increased nitrogen release into rivers and lakes
D) Increased levels of toxic metals into the ground
D) Increased levels of toxic metals into the ground
Which of the following are Control and Monitoring Systems?
A) Satellite-Navigation (Sat Nav) systems
B) Online search engines like Google and Bing
C) Thermal regulation systems in ovens
D) Web browsers like Firefox, Chrome and Edge
C) Thermal regulation systems in ovens
