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ICT > Data Storage > Flashcards

Data Storage Flashcards

1
Q

Where is data stored for accessibility

A

The cloud, to help recover it when needed, or downloaded when required
Remote location online

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2
Q

What is a storage device

A

Any device used to store data

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3
Q

What does internal storage do?

A

Stores operating systems and software applications

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4
Q

What are the 2 main modern types of internal storage?

A

HDD (hard disks) and SSD (solid state drive)

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5
Q

What are SSD’s better at than HDD’s

A

SSD’s are more expensive but are much faster and smaller (better performance)

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6
Q

What is external storage?

A

Storage outside the the computer

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7
Q

What are some external storage devices?

A

USB memory sticks,
Memory cards
CD’s
DVD’s
All connected to computer using USB or FireWire connections

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8
Q

What is a byte

A

A unit of digital info that consists of 8 bits

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9
Q

How can we back up data

A

Storage device: saves reads data (DVD player)

Storage medium: hardware that stores data ( USB
, hard disk, DVD disks)

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10
Q

What is data storage?

A

Where we save and read the data again

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11
Q

Arrange units smallest to largest

A

Bits
Bytes
Kilobytes
Megabytes
Terabytes

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12
Q

1 KB

A

1000 bytes

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13
Q

1 MB

A

1000 KB

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14
Q

1 tera byte

A

1 million MB

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15
Q

What does memory refer to?

A

A chip that is used to store data for a computer

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16
Q

What are types of main memory

A

RAM (read only memory)
ROM (random access memory) AKA RWM ( read and write memory)

17
Q

Features of RAM

A

Consumes low Power and fast
Expensive

18
Q

What is cache memory

A

Supplementary memory that stores frequently accessed data

19
Q

What is secondary memory

A

Memory that is not immediately processed by computer, outside it.
Blu-ray Disc, SSD, HDD, tape, USB,

20
Q

What are PROS of cloud storage

A

Accessibilty, security, updating

21
Q

What are CONS of cloud storage

A

Costs, internet connection, support, privacy

22
Q

Why do we use cloud storage

A

If it is corrupted by hackers, edited by viruses, or lost

23
Q

What is bits

A

Short for binary digit, stores a value of either 0 (off) or 1 (on)

ICT (3 decks)

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