SLR3- Input, Output and Storage

Question 1

What is an input device?

Answer 1

• Any device that allows you to pass information from the outside world into a computer system.

Question 2

What is an output device?

Answer 2

• Any device that can take stored data in digital form and convert it into another format that humans can process such as sound, images or vibrations.

Question 3

What is a storage device?

Answer 3

• Any device used for either temporary or permanent storage of data (can be internal or external).

Question 4

List 5 input devices.

Answer 4

• Mouse
• Keyboard
• Microphone
• Sensor
• Touchpad
• Remote control
• Camera
• Joystick

Question 5

List 5 output devices.

Answer 5

• Monitor
• Printer
• Speaker
• Headphones
• Touchscreen

Question 6

List 5 storage devices.

Answer 6

• CD
• DVD
• Blu-ray
• USB
• SD card
• SSD
• Magnetic hard drive
• Cloud storage

Question 7

List the positives of optical storage.

Answer 7

• Cheap
• Lightweight
• Portable

Question 8

List the negatives of optical storage.

Answer 8

• Slow access times
• Prone to scratches

Question 9

List the positives of magnetic storage.

Answer 9

• Cheap
• Large capacity

Question 10

List the negatives of magnetic storage.

Answer 10

• Slow access times
• Fragile

Question 11

List the positives of SSD.

Answer 11

• Durable
• Fast access times

Question 12

List the negatives of SSD.

Answer 12

• Costly
• Limited read/writes

Question 13

What is ROM?

Answer 13

• Small piece of read-only memory located on the motherboard.
• Non-volatile
• Contains the bootstrap

Question 14

What is RAM?

Answer 14

• Random-Access Memory
• Temporary storage of instructions and data.
• Holds the information being executed by the processor.
• Volatile
• Much faster than the hard disk.

Question 15

What is virtual storage?

Answer 15

• The concept of storing and retrieving data over the internet in the cloud instead of a local storage device.

Question 16

List the advantages of virtual storage.

Answer 16

• Data can be accessed at any time, from any device, as long as there is internet access.
• Data can be easily shared without the need for removable media transfer.
• Easy to collaborate.
• Storage considered to be “limitless” from the user’s point of view.

Question 17

List the disadvantages of virtual storage.

Answer 17

• Can become quite expensive.
• If connectivity is poor, access times can be slow.
• No internet connection means no access to your files.