Digital Devices 2

Question 1

State two different data capture and collection systems that can be used in a store.

Answer 1

EPOS- Electronic Point Of Sale,
Barcode scanner,
Optical Mark Reader.

Question 2

How would data capture and collection systems be used in stores?

Answer 2

Used to buy- EPOS-saves time

Barcode scanner used to scan the product and get information such as prices etc.

Question 3

State two input and output devices explaining how they will help a piece of Graphic Design Work.

Answer 3

Graphics Tablet and Mouse able to draw with the tablet and with the mouse, you’re able to navigate and use the software.
Monitor and Printer, able to see what you are designing with a monitor, able to print out the design for leaflets and posters.

Question 4

Explain two limitations of USBs for transferring video footage and graphics.

Answer 4

They are small so they can be lost easily, they have low storage capacity.

Question 5

Give two features that will improve the speed of a computer.

Answer 5

Disk Utility such as disk defragment and file compressors.

Question 6

Explain two factors that has to be considered when choosing an IT System.

Answer 6

Security so no hackers or viruses can steal information and Efficiency so the computer can last for a long time and work to a high percentage.

Question 7

Factors of VGA

Answer 7

Low cost and can be used on high resolution equipment. No DRM and has cumbersome cabling

Question 8

Factors of HDMI

Answer 8

Capable of 8k, used in computing and entertainment. Limited length and can be expensive compared to VGA.

Question 9

Factor of USB/FireWire

Answer 9

High speed and backwards capability, can also connects to multiple devices. Limited distance and power supply.

Question 10

Explain two benefits of WiFi

Answer 10

Simple setup and uses existing WiFi Infrastructure.

Question 11

Give two types of research.

Answer 11

Primary, Secondary

Question 12

What is Primary Research?

Answer 12

Research that you collect yourself

Question 13

What is Secondary Research?

Answer 13

Research that is already collected and you can use

Question 14

What are Focus Groups?

Answer 14

They are a group of people selected to participate in a discussion about products/questionnaire

Question 15

Explain two benefits of using WiFi for home networking.

Answer 15

Simple set up, usually built into devices, low power consumption, easy to set up.

Question 16

Explain two factor that should be considered when choosing a network infrastructure.

Answer 16

One is that the infrastructure, what it need to fit in to etc. secondly is the manufacturer, which one provides the best connection/WiFi?

Question 17

How does bandwidth and latency affect someone when playing video games?

Answer 17

Bandwidth has an effect by the amount of data being downloaded, the faster it is, the higher the quality, higher the game speed, less delay etc. Latency affects it by if there is lots of latency, there will be lag, games will be slow and experience lag.

Question 18

Explain two implications of cloud storage.

Answer 18

1) Hackers can get access and data and storage can be lost. 2) Cloud storage can make heavy use of bandwidth.

Question 19

Describe three different methods for Amit to get involved in a online community.

Answer 19

1) Social Media is highly used by lots of people, Amit can share his thoughts to his followers on social media and discuss topics. 2) Blogs are highly effective when planning to get into communities, Amit can look to post blogs on topics and can also engage with his audience. 3) Podcasts, these are where he can chat to lots of people at once and can upload the podcast to social media, YouTube etc.

Question 20

Give four examples of threats to data.

Answer 20

Malware, Hacking, Phishing, Accidental Damage

Question 21

List two pieces of legislation to help protect data.

Answer 21

Data Protection Act which gives rights to individuals and protects the privacy as well, Computer Misuse Act which covers threats like hacking and protects against attacks on IT systems.

Question 22

Give two examples of Primary Data

Answer 22

Questionnaire and Interview

Question 23

Give two examples of Secondary Data

Answer 23

Internet and Books

Question 24

State two factors that must be considered when choosing IT Systems for a business.

Answer 24

1) Security, good security so less chance of hacking. 2) Efficiency, make sure that the systems performs for a long time and lasts.

Question 25

Give three input devices needed to complete graphic design work.

Answer 25

Mouse, Graphic tablet, Stylus.

Question 26

What is a GUI?

Answer 26

Graphical User Interface, Users interact with the device by controlling a pointer or a touchscreen to select cons on a screen. GUI’s are used widely on PC’s and Smartphones.

Question 27

Advantages of GUI

Answer 27

It is simple and easy to use.
Doesn’t require commands unlike CLI.
Usually options to adapt the interface to your likening.

Question 28

Disadvantages of GUI

Answer 28

It’s often resource intensive, takes up memory and power.

Can be hard to complete tasks, easier with CLI.

Question 29

What is a CLI?

Answer 29

Command Line Interface, the user interacts with the the computer by typing in the commands in response to the prompts displayed on the screen.

Question 30

Advantages of CLI

Answer 30

Experienced users find it easier to complete tasks.

Requires less memory and less power than GUI.

Question 31

Disadvantages of CLI

Answer 31

Can be hard for beginners to understand

Requires the knowledge of all the commands.

Question 32

What is a Menu-Based Interface?

Answer 32

Menu-Based Interface is where the users interact with the menu that presents options such as a ATM.

Question 33

Advantages of Menu-Based Interface

Answer 33

Easy to use and often possible to figure out how to perform tasks w/out any instructions.
Can be options to adapt the interface.

Question 34

Disadvantages of Menu-Based Interface

Answer 34

Performing tasks can be slow