I.T Storage

Question 1

What is a storage device?

Answer 1

A hardware component used to hold and retrieve digital data.

Question 2

What is storage media?

Answer 2

The physical material on which data is saved

Question 3

What is primary storage?

Answer 3

Temporary, volatile memory used by the CPU to hold data and instructions in use.

Question 4

What are two types of primary storage?

Answer 4

RAM and ROM.

Question 5

What does RAM stand for?

Answer 5

Random Access Memory.

Question 6

What is the function of RAM?

Answer 6

Temporarily stores data being processed and allows data to be read and written quickly.

Question 7

Is RAM volatile or non-volatile?

Answer 7

Volatile.

Question 8

What does ROM stand for?

Answer 8

Read Only Memory.

Question 9

What is the function of ROM?

Answer 9

Permanently stores essential system instructions needed to start up the computer.

Question 10

Is ROM volatile or non-volatile?

Answer 10

Non-volatile.

Question 11

What is another name for primary storage?

Answer 11

Main memory or internal memory.

Question 12

What is secondary storage?

Answer 12

Non-volatile memory used to store data/information long-term.

Question 13

Why is secondary storage needed in addition to primary storage?

Answer 13

To save data and programs beyond the computer’s active session.

Question 14

What type of storage is used by the CPU during processing?

Answer 14

Primary storage.

Question 15

What type of storage keeps data when power is turned off?

Answer 15

Secondary storage.

Question 16

What does IDE stand for?

Answer 16

Integrated Drive Electronics.

Question 17

What is another name for IDE?

Answer 17

PATA (Parallel ATA - Advanced Technology Attachment)

Question 18

What is IDE/PATA used for?

Answer 18

It is an older standard interface for connecting storage devices to the motherboard using parallel data transfer.

Question 19

What does SATA stand for?

Answer 19

Serial Advanced Technology Attachment.

Question 20

What is SATA used for?

Answer 20

It is a newer and faster interface for connecting storage devices like hard drives and SSDs using serial communication.

Question 21

Why is SATA preferred over IDE/PATA?

Answer 21

Because it supports faster data transfer and is more efficient for modern systems.

Question 22

Which interface is older: IDE or SATA?

Answer 22

IDE (also called PATA).

Question 23

What is a bit?

Answer 23

The smallest unit of digital data, representing a 0 or 1.

Question 24

What is a byte?

Answer 24

A group of 8 bits used to represent a single character.

Question 25

What is a nibble?

Answer 25

A group of 4 bits or half a byte.

Question 26

How many bits are in a byte?

Answer 26

8

Question 27

How many bytes are in a kilobyte?

Answer 27

1024 bytes.

Question 28

How many kilobytes are in a megabyte?

Answer 28

1024 kilobytes.

Question 29

How many megabytes are in a gigabyte?

Answer 29

1024 megabytes.

Question 30

How many gigabytes are in a terabyte?

Answer 30

1024 gigabytes.

Question 31

Arrange these in order from smallest to largest: Bit, Byte, KB, MB, GB, TB, PB, HB, ZB

Answer 31

Bit < Byte < Kilobyte < Megabyte < Gigabyte < Terabyte < Petabyte < Hexabyte < Zeetabyte

Question 32

Which unit of storage is typically used to measure small text files?

Answer 32

Kilobyte (KB).

Question 33

Which unit of storage is used for movies or large software?

Answer 33

Gigabyte (GB) or Terabyte (TB).

Question 34

What number system do computers use?

Answer 34

Binary number system.

Question 35

What digits are used in binary?

Answer 35

0 and 1.

Question 36

How do you convert binary to decimal?

Answer 36

Multiply each bit by powers of 2, starting from the right, then add the results.

Question 37

What is a coding scheme used for?

Answer 37

To represent characters using binary code for digital processing.

Question 38

How does a coding scheme help computers?

Answer 38

It converts human-readable characters into binary for storage and processing.

Question 39

What does ASCII stand for?

Answer 39

American Standard Code for Information Interchange.

Question 40

What is ASCII used for?

Answer 40

A 7-bit coding system used to represent characters and symbols on most digital devices.

Question 41

How many characters can ASCII represent?

Answer 41

128 unique characters.

Question 42

What does EBCDIC stand for?

Answer 42

Extended Binary Coded Decimal Interchange Code.

Question 43

How many characters can EBCDIC represent?

Answer 43

256 characters.

Question 44

What is the key difference between ASCII and EBCDIC?

Answer 44

ASCII uses 7 bits and supports 128 characters, while EBCDIC uses 8 bits and supports 256 characters.

Question 45

What does BCD stand for?

Answer 45

Binary Coded Decimal.

Question 46

How does BCD represent numbers?

Answer 46

Using specific combinations of 0s and 1s.

Question 47

What must be done to convert ASCII to EBCDIC? .

Answer 47

Add a 1 to the beginning of the 7-bit ASCII code to make it 8 bits.

Question 48

How do you revert EBCDIC to ASCII?

Answer 48

Remove the first bit from the 8-bit EBCDIC code

Question 49

Give examples of magnetic storage.

Answer 49

Hard Disk/Drive, Floppy Disk/Diskette, Zip Disk/Drives, Magnetic Tapes and Jazz Disk.

Question 50

Give examples of optical storage.

Answer 50

Compact Disk Read Only Memory (CD-ROM),Digital Versatile Disk (DVD) and Blu-Ray Disk (BD)

Question 51

Give examples of solid state storage.

Answer 51

USB Flash Drive, Memory Card, Smart Card and Network Drives