Hardware Flashcards

1
Q

What is input?

A

Computer receives instructions - what to do + what data to work on

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

What gives the computer input?

A

User

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

How does the user give the computer input?

A

Keyboard and mouse

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

What is processing?

A

Works on data - part of computer does all processing is the CPU

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

What is storage?

A

Permanent record of our work

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

What does storage receive?

A

Output and provide input for computer

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

How is storage made?

A

Internal or portable

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

How can computers communicate?

A

They are linked to each other

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

How can computers communicate?

A

They are linked to each other

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What can communication provide for?

A

input and output

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is output?

A

Computer gives feedback on the results of its processing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Give examples of computer output

A

Pictures, text on screen, sound, printing on paper

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What can instructions be?

A

Program, command, user responses

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are programs?

A

Set of instructions loaded into memory when you run the program

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are commands?

A

Given by user

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is user responses?

A

To a question ‘asked’ by a program

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is a keyboard?

A

Keyboard is the most commonly used input device.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

F1

A

Help

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Esc

A

Cancel choices

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Windows key (),<E> File Explorer</E>

A

File explorer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

<><D></D>

A

Desktop

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What is the print screen?

A

‘Screen capture’ is copied as an image to the clipboard

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What is a clipboard?

A

an area in memory where text and other objects that have been copied are temporarily stored

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Mouse click

A

Select an option or an object.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Mouse double-click
Start a program or open a file or folder.
26
Mouse right-click
Open a pop-up menu that gives you options or actions.
27
Mouse drag
Select and drag an object.
28
Mouse scroll
Use the mouse wheel to scroll in lists, long documents or web pages.
29
Keyboard and mouse combinations
Pressing and holding Shift, Alt and Ctrl can change the meaning of a mouse click.
30
What are connection devices?
Ports and plug and play
31
What are ports?
Sockets used to connect peripherals to the computer
32
What is plug and play?
Operating system automatically detects and configures a device plugged into the computer, so the device can be used almost immediately.
33
What is a wireless keyboard and mouse?
Use short range radio waves (usually Bluetooth) to communicate with the computer.
34
What are advantages of wireless devices?
Less clutter (as no cables) Wider range of movement
35
What are disadvantages of wireless devices?
Require batteries (to send wireless signal) Slightly more expensive than wired devices Can easily be removed, so easily stolen Can sometimes be interference with the wireless signal
36
What is a wireless adapter needed for?
A wireless adapter has to be attached to the computer to receive signals from the device. All wireless devices need power in order to transmit a signal and so they have to contain some form of battery.
37
How is a monitor measured?
Measured diagonally in inches
38
What is resolution?
Number of pixels (small dots) used to form the screen image
39
What is a graphics card?
Image is generated by specialised circuitry
40
What is a separate, high end graphic card used for?
Graphics intensive tasks such as video editing and games.
41
What is a response time?
The time it takes to change a pixel from one colour to another
42
What is response time measured in?
Measured in milliseconds.
43
What are the connecting monitors?
VGA (old standard) HDMI DisplayPort Thunderbolt USB (for specialised monitor)
44
What are inkjet printers?
spray microscopic dots of ink onto the paper
45
What are laser printers?
Work like a photo-copier
46
Which printer is more expensive to buy?
Laser printer
47
Which printer is more expensive to run?
Inkjet - laser cheaper for large volumes
48
Which printer has good quality prints?
Inkjet
49
Which printer is faster?
Laser
50
Does memory or storage have a larger capacity?
Storage has a much larger capacity than memory - keep all your data and programs
51
How many bytes is one kilobyte?
1024 byte
52
How many bytes is one megabyte?
1024kb
53
How many bytes is one gigabyte?
1024 mb
54
How many bytes is one terabyte?
1024 gb
55
What are the two types of hard drives?
In case and external/portable
56
What is a hard drive in case?
Stores all programs and data GB or TB
57
What is an external hard drive?
USB connected Gets power from PC
58
What are flash drives?
Use electronic memory to store data powered via USB port
59
How do you plug in a flash drive?
Into USB port - Removable Disk
60
What is a health concern?
RSI: Repetitive Strain Injury
61
What can help prevent RSI?
Using ergonomically designed keyboards
62
What is Ergonomics?
Study and design of the workplace and the equipment used in the workplace for the comfort and safety of people in their work environments.