Input, Output and Storage devices

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29 Terms

1
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What is the difference between RAM and ROM?

RAM is volatile and stores data in use; ROM is non-volatile and stores firmware like the bootstrap loader.

2
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What type of storage is RAM?

Primary storage.

3
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Is RAM volatile or non-volatile?

Volatile.

4
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What is ROM used for?

Storing the bootstrap program and firmware.

5
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Is ROM volatile or non-volatile?

Non-volatile.

6
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What storage device uses magnetic platters and read/write heads?

Hard Disk Drive (HDD).

7
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Give two advantages of HDDs.

Large capacity and low cost per GB.

8
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Give two disadvantages of HDDs.

Slower than SSDs and less durable due to moving parts.

9
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What technology do SSDs use?

NAND flash memory (solid-state).

10
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Give two advantages of SSDs.

Faster than HDDs and more durable (no moving parts).

11
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Give one disadvantage of SSDs.

More expensive per GB than HDDs.

12
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What are examples of optical storage?

CD, DVD, Blu-ray.

13
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How does optical storage work?

A laser reads/writes data from the disc surface.

14
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Give one advantage and one disadvantage of optical storage.

Cheap and portable, but easily damaged and low capacity.

15
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What is magnetic tape used for?

Backup and archival storage.

16
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What is a major drawback of magnetic tape?

Sequential access – slow to locate specific data.

17
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Why is cloud storage considered tertiary?

It's used for backup, off-site access, and large-scale storage.

18
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Give one benefit and one risk of cloud storage.

Accessible anywhere and scalable, but depends on internet and may have privacy concerns.

19
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Which is faster: SSD or HDD?

SSD.

20
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Which has a lower cost per GB: SSD or HDD?

HDD.

21
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What kind of access does magnetic tape use?

Sequential access.

22
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What kind of access does an SSD use?

Direct/random access.

23
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What is primary storage?

Memory directly accessible by the CPU (e.g. RAM, ROM).

24
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What is secondary storage?

Non-volatile memory used to store data long-term (e.g. HDD, SSD).

25
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What is tertiary storage?

Used for long-term backup/archive (e.g. magnetic tape, cloud storage).

26
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5 types of input device?

Keyboard, Microphone, Sensor, Barcode scanner, Mouse

27
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5 types of output device?

Screen/Monitor/Display, Printer, Speaker, Headphones, Haptic (Vibration in controller)

28
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Keyboard, Microphone, Sensor, Barcode scanner, Mouse are examples of …

Input devices

29
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Screen/Monitor/Display, Printer, Speaker, Headphones, Haptic (Vibration in controller) are example of …

Output devices