ICT NOV 2021 Flashcards
give 2 advantages of using magnetic tape
- large storage capacity
- it is cost effective
why is print spooling necessary?
to avoid buffering from overloading the printer
describe how utility software can reduce access times for large files stored on magnetic media
by defragmenting data that has been scattered across randomly to free space
name 2 of application softwares
- spreadsheet
- miscrosoft word
how is application software different to system software?
application software carry out tasks for the user while the system software carries out tasks for the computer
what is pharming?
it is when users are directed to an illegitament website where personal information can be misused
what are 2 challenges of using an acceptable behaviour policy with an online community?
- requires monitoring to enforce consequences
- restrict the user’s freedom of speech about certain topics
2 reasons why hosted applications are better than local applications
- The storage on the local applications may not be enough
- Hosted applications have a higher processing power as it is received from the server computer
Web browsing accounts store web activity and bookmarks and sync it across all connected devices
mhm
what are 2 ways that we can make effective use of a search engine to select information?
- use keywords for more relevant results
- use syntaxes to properly define what information you want from the web pages
name 3 safety and health hazards
- eye strain
- back pain
- tripping hazards
describe how the firewall works when data is sent to a device
- the firewall contains a blacklist and whitelist of MAC addresses and data is allowed through depending on which list the address is on
state 2 ways devices are identified on a network
- IP address
- MAC address
- device name
explain why films often seem pixelated when they first load from online streaming services
- users want the film to play immediately so a low resolution version is downloaded first because the bandwidth is limited
