Storage Devices

Front 1

what is backing up data

Back 1

copying the files to a different medium

Front 2

Why back up data

Back 2

1) safeguard loss against data

2) safeguard damages caused by hackers

3) made in calde the files are used elsewhere

Front 3

Why doesn’t back up against virus

Back 3

The virus could attach itself to the files which means backups are also affected

Front 4

What’s serial access

Back 4

Is when the computer access says its record into their required records found

Front 5

What is direct access

Back 5

Is when the computer uses The key field to calculate where the data should be stored

Front 6

What’s this secondary storage media

Back 6

Secondary storage devices in sure the data is stored permanently so that it can be used again at a later date

Front 7

What’s magnetic storage medium

Back 7

It’s a medium that stores data by turning magnetic properties

Front 8

What’s HDD

Back 8

the disk allows data to be stored by alterning magnetic properties

Front 9

What’s HDD

Back 9

the disk allows data to be stored by alterning magnetic properties

Front 10

Adv of hDD

Back 10

1) large memory cApacity

2) fast data entry

Front 11

What’s HDD

Back 11

the disk allows data to be stored by alterning magnetic properties

Front 12

Adv of hDD

Back 12

1) large memory cApacity

2) fast data entry

Front 13

Disadv of HDD

Back 13

1) can be easily damaged

2) it has many moving parts

3) noisy

Front 14

What’s HDD

Back 14

the disk allows data to be stored by alterning magnetic properties

Front 15

Adv of hDD

Back 15

1) large memory cApacity

2) fast data entry

Front 16

Disadv of HDD

Back 16

1) can be easily damaged

2) it has many moving parts

3) noisy

Front 17

What’s magnetic tape

Back 17

Thin strip of plastic coated in a magnetic layer

Front 18

What’s HDD

Back 18

the disk allows data to be stored by alterning magnetic properties

Front 19

Adv of hDD

Back 19

1) large memory cApacity

2) fast data entry

Front 20

Disadv of HDD

Back 20

1) can be easily damaged

2) it has many moving parts

3) noisy

Front 21

What’s magnetic tape

Back 21

Thin strip of plastic coated in a magnetic layer

Front 22

Adv of magnetic tape

Back 22

1) less expensive

2) very robust

3) large data cApacity

4) fast data transfer

Front 23

What’s HDD

Back 23

the disk allows data to be stored by alterning magnetic properties

Front 24

Adv of hDD

Back 24

1) large memory cApacity

2) fast data entry

Front 25

Disadv of HDD

Back 25

1) can be easily damaged

2) it has many moving parts

3) noisy

Front 26

What’s magnetic tape

Back 26

Thin strip of plastic coated in a magnetic layer

Front 27

Adv of magnetic tape

Back 27

1) less expensive

2) very robust

3) large data cApacity

4) fast data transfer

Front 28

Disadvantages of magnetic tapes

Back 28

1) slow data access time

2) when updating another tape is needed

Front 29

What’s CD and DVDS disks

Back 29

Laser light is used to read and to write data on the surface area

Front 30

Adv of CD ROM

Back 30

1) holds more data than floppy disks

2) less expensive that HDD

Front 31

Adv of CD ROM

Back 31

1) holds more data than floppy disks

2) less expensive that HDD

Front 32

adv of CD RW over

Back 32

1) can be written over so many times

2) use Fire

Front 33

Adv of SSD than HDD

Back 33

1) more reliable ( no moving parts can go wrong)

2) ligher which makes them suitable for laptops

3) faster than HDD

4) they run much cooler than HDD

5) low power consumption