Personal Digital Devices

Question 1

Give 5 ways of communicating through digital devices.

Answer 1

Text messages (SMS)
Social networking sites
Instant messaging
Media messages (MMS)
Voice calls
Video calls (VoIP)
Emails

Question 2

Give 5 ways digital devices can be used for leisure.

Answer 2

Reading with ebook readers
Playing games with consoles or computers
Downloading music
Listening to music & watching films
Streaming films
Watching TV
Watching HD films on Blu-ray
Taking photos and videos with digital cameras

Question 3

Give 5 factors to consider when buying a device.

Answer 3

Battery life
Security
Storage capacity/memory
Convenience (size, weight, etc...)
Compatibility
Connectivity
User interface
Cost
Purpose 
Speed of internet connection and processor

Question 4

How many bytes are in a kilobyte?

Answer 4

1000 bytes

Question 5

How many gigabytes are in 3 terabytes?

Answer 5

3000 gigabytes

Question 6

How many megabytes are in 1 gigabyte?

Answer 6

1000 megabytes

Question 7

How many kilobytes are in 5.2 megabytes?

Answer 7

5200 kilobytes

Question 8

Give at least 3 types of flash memory.

Answer 8

SD card (secure digital)
Micro SD card 
SDXC (extended capacity)
USB flash drive or memory stick
SDHC (high capacity card)

Question 9

Give 5 examples of input devices.

Answer 9

Mouse
Keyboard
Game controller
Webcam
Touch screen
Microphone
Joystick
Graphics tablet
Scanner

Question 10

Give 5 examples of output devices.

Answer 10

Speakers
Docking station
Headphones
Printer
Headset
Screen

Question 11

Give 3 ways to keep data safe on mobile phones.

Answer 11

Hide the phone
Set a PIN, password or biometric lock
Lock the SIM card
Restrict Bluetooth usage

Question 12

Give 5 features to consider when buying a computer.

Answer 12

Processor speed
RAM
Sound/graphics card
Wi-Fi
Storage capacity
Number of USB ports
Battery life

Question 13

What is ergonomics?

Answer 13

Ergonomics is the science of designing equipment so that it is comfortable and user friendly.

Question 14

Give some health risks of using computers.

Answer 14

Eye strain
RSI
Neck and back problems
Pain in knees and legs

Question 15

Give 3 examples of peripherals for games consoles.

Answer 15

Wireless controllers
Wireless headsets
Hard drive transfer cable
Webcam/speaker/microphone set
Motion sensors
HD equipment for HD gaming - HD TV, HDMI

Question 16

Give 3 signs of overusing games consoles

Answer 16

You spend all your time gaming
Giving up on other hobbies/interests
Grades falling/not keeping up with homework
Get irritated/agitated when not playing games
Rather play than spend time with family/friends
Lie about how long you game for

Question 17

Exam question: Tina is a sales rep who travels most of the week. Explain how she might use her smartphone to communicate with people while travelling. (3 marks)

Answer 17

She can use Bluetooth to allow her to speak to customers while driving. She can use 3G/4G or Wi-Fi when in a hotel/meeting to email/chat/text with colleagues.