Theory: Computer Fundamentals COPY Flashcards

1
Q

What is Information Technology?

A

the use
of technology to process data into
useful information.

technology that manages
information to make solving
problems, answering questions
and displaying results quicker and
easier.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the four functions of a computer?

A
  1. Input
  2. Processing
  3. Output
  4. Storage
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the two components of a computer system?

A

Hardware - the physical parts of the computer

Software - the programs running on the computer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How do the hardware components of the computer interrelate

A

Input
Processing
Output
Storage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Draw and label a block diagram of a computer system

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

State the types of computer in ascending order according to size and processing power

A

Embedded Devices - small computers integrated into various larger systems e.g. Washing machine, traffic lights

Mobile Devices - Internet Browsing, gaming, business communication

Desktop Systems - used in for data and word processing, spreadsheets, entertainment etc

Mainframes - used for transaction processing such as in banks

Supercomputer - used for making predictions with advanced modeling and simulations e.g. climate research, weather forecasting, space exploration, aviation engineering

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Secondary Storage Devices

A

MAGNETIC DEVICES:
hard disk, magnetic tape,

FLASH MEMORY
flash drive, memory card, solid state drive (SSD)

OPTICAL DISKS
CD, DVD and Blu - Ray

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Units of storage

A

bits,
bytes, kilobytes, megabytes, gigabytes, terabyte

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly