Input

Question 1

Input can…

Answer 1

1. Provide the running software with instructions
2. Can be data that needs to be processed

Question 2

3 Types of Digital Cameras

Answer 2

1. Smartphone cameras
2. Digital cameras
3. DSLR cameras

Question 3

3 Advantages of Digital Cameras

Answer 3

1. Take many photos(Depending on size of memory card)
2. Can use images immediately
3. Can easily transfer images

Question 4

3 Disadvantages of Digital Cameras

Answer 4

Before:
1. Cost(Expensive)
2. Inability to take pics in low light
Now technology has advanced and there is no disadvantages.

Question 5

Function of a Lenses

Answer 5

Larger lenses capture more light, which increases quality and detail

Question 6

Sensor size determines…

Answer 6

Large sensors capture more light which produces better quality images

Question 7

What is Optical Zoom?

Answer 7

Uses the lenses to get closer to the object. use this for better quality

Question 8

What is Digital Zoom?

Answer 8

Like a magnifying glass, closer you get the more blurry it gets

Question 9

What is Resolution?(Cameras)

Answer 9

The amount of pixels the image is made up of

Question 10

What is the ISO Rating?

Answer 10

How sensitive the camera is to light

Question 11

What is a Scanner?

Answer 11

A device that scans images, barcodes, photos and 3-D objects.

Question 12

What is Biometric Input?

Answer 12

Capturing a persons unique features for security proposes

Question 13

3 Types of Biometric Devices

Answer 13

1. Eye scanner
2. Voice recognition
3. Fingerprint scanner

Question 14

Advantages of Biometrics

Answer 14

More secure than password as it is basically impossible to bypass as it is unique to only one person

Question 15

2 Disadvantages of Biometrics

Answer 15

1. Expensive
2. Requires additional hardware

Question 16

Input Devices at an ATM

Answer 16

1. Card reader
2. Modem/Network connection
   3.Touch screen
3. Money counter
4. Money deposit slot

Question 17

Advantages of an ATM

Answer 17

1. Allows for banking transactions
2. Banks have developed a system where you can use any ATM(Not limited to your own bank)

Question 18

Disadvantage of an ATM

Answer 18

People can use skimmers over an ATM to steal your info

Question 19

What does RFID Stand for?

Answer 19

Radio Frequency Identification

Question 20

What is a POS System?

Answer 20

Systems used to scan barcodes and RFIS tags for items(Mainly at stores)

Question 21

3 Advantages of POS Systems

Answer 21

1. Faster processing at pay points
2. Better stock control
3. Better accuracy of prices of items

Question 22

Disadvantages of POS Systems

Answer 22

1. When system is offline it is difficult to function
2. Requires expensive equipment