Topic 6: Storage Devices

Question 1

The three main categories of storage devices are;

Answer 1

built-in, external and portable

Question 2

Built-in storage device means the device is

Answer 2

part of a computer

Question 3

External storage device means the device is

Answer 3

not part of a computer.

Question 4

An external storage device is connected to the computer using

Answer 4

an external port

Question 5

A portable device is

Answer 5

an external device which is easy to carry around

Question 6

There are two main types of storage device;

Answer 6

magnetic and optical

Question 7

Magnetic storage devices use

Answer 7

magnetic properties of some metal oxides to store data.

Question 8

Magnetic storage is used in

Answer 8

hard disk drives and tape drives

Question 9

Optical storage devices use

Answer 9

lasers, which can “see” and read data on optical discs.

Question 10

Optical drives have lasers that read

Answer 10

bumps and dips as ones and zeros which the computer can understand

Question 11

Optical storage is used in

Answer 11

CDs and DVDs

Question 12

There are two many properties to consider for a storage device and they are

Answer 12

capacity and speed

Question 13

Capacity is

Answer 13

how much data a disk can hold

Question 14

Speed means

Answer 14

how fast data can be transferred from computer to disk or vice versa

Question 15

The speed of transferring data from disk to computer is called the

Answer 15

read speed

Question 16

The speed of transferring data from computer to disk is called the

Answer 16

write speed

Question 17

CDs and DVDs can be broken into 2 basic categories and these are;

Answer 17

Re-writable and Read-Only

Question 18

On a re-writable disk users can

Answer 18

create the disk and contents can be added to.

Question 19

Re-writable disks are created by

Answer 19

a special dye which creates the 1s and 0s

Question 20

Read-Only disks can only be

Answer 20

made by a commercial company and the user cannot alter the contents of the disk

Question 21

Solid state device are devices which

Answer 21

have no moving parts

Question 22

Solid state storage device store data using a special type of memory called

Answer 22

flash memory

Question 23

Some solid state devices are;

Answer 23

USBs, Camera flash cards, Chips in smart cards and Internal memory in MP3 players

Question 24

Advantages of solid state devices are that they are more

Answer 24

robust than hard drives, they use less power and data is accessed quicker than hard drives.

Question 25

Computer interface is the point where a computer

Answer 25

connects to an external device. Some send/receive data more quickly than others

Question 26

Most USB devices are now

Answer 26

USB 2 or USB 3

Question 27

USB 3 is

Answer 27

8 times faster than USB 2

Question 28

Some drives can connect using

Answer 28

SATA interfaces

Question 29

Most internal devices now connect using

Answer 29

SATA cables