Learning Unit 1- Basic Concepts Of Computing Flashcards
1
Q
Why use computer technology? (8)
A
- Carry out tasks quickly and accurately
- Store large amounts of information which can be retrieved quickly
- Save time and money
- Reproduce tasks reliably
- 24/7 without supervision
- Share resources and communicate
- Used when it is dangerous to employ humans
- Save paper
2
Q
Define ICT
A
Information and communication technologies: Relates to the way computers operate and communicate with each other
3
Q
What does the general model of a computer look like?
A
Pg 3
4
Q
Hard drive stores data:
A
Magnetically
5
Q
Modem could transfer data at:
A
56Kbps
6
Q
ADSL
A
Asymmetrical digital subscriber line
7
Q
Advantages of DSL (4)
A
- Internet and phone simultaneously
- Faster than modem
- No new wiring required
- Modem included in installation
8
Q
Disadvantages of DSL (3)
A
- Further away, weaker signal
- Faster receiving than sending
- Service not available everywhere
