paper 1 revision (y11 mock) Flashcards
(13 cards)
what is an ethical issue
what is considered right and wrong by society
what is trolling
leaving an off topic msg in an online community to upset someone.
causing public arguments with others online
how can use of technology cause health problems
rsi, eye strain, posture, back problems
whats meant by the digital divide
differences in access to technology
division which exists between those who can and cant use technology
reasons for the digital divide
money, location, internet access
whats internet censorship
control of what can be accessed, published or viewed on the internet
how does the use of technology impact on the environment
increased use of electricity
use of natural resources
e waste
how can e-waste be managed to limit any impact on the environment
appropriate disposal
increased recycling
refurbishing of devices
what does the central processing unit contain
CPU
control unit (CU)
arithmetic log unit (ALU)
Onboard cache
Internal clock
what does the arithmetic log unit do
performs simple +, -, /, x and logic operations
what does the control unit do
controls all cpu operations including alu operations and movement of data.
what does the onboard cache do
temporarily hold instructions and data
what does the internal clock do
synchronizes all of their calculations, ensures various circuits inside a computer work together at the same time
