System Software

Question 1

What does an Operating System provide between the user and hardware?

Answer 1

An interface

Question 2

What type of machine do Operating Systems provide?

Answer 2

Virtual Machine

Question 3

What complexity does the Operating System hide from the user?

Answer 3

Complexity of the hardware

Question 4

What action does the user perform to save a file?

Answer 4

Clicks save

Question 5

What does CLI stand for?

Answer 5

Command Line Interface

Question 6

What does GUI stand for?

Answer 6

Graphical User Interface

Question 7

How does the user interact with the Command Line Interface?

Answer 7

Text-based commands in a command prompt

Question 8

How does the user interact with the Graphical User Interface?

Answer 8

By interacting with intuitive icons, menus or pointers

Question 9

Which Operating System is generally considered easier to use?

Answer 9

Graphical User Interface

Question 10

True or False: Command Line Interface requires less user experience.

Answer 10

False

Question 11

Which interface provides more control over the operating system?

Answer 11

Command Line Interface

Question 12

Which interface requires less power?

Answer 12

Command Line Interface

Question 13

Why does the Graphical User Interface require more power?

Answer 13

It has to render visual elements onto the screen

Question 14

Is the Command Line Interface visual?

Answer 14

No

Question 15

What does the Operating System manage in terms of memory?

Answer 15

Allocates memory between different programs

Question 16

What is multitasking in the context of an Operating System?

Answer 16

Giving the processor a small time slice for each task

Question 17

What is a driver?

Answer 17

A piece of software used to control a piece of hardware

Question 18

What do drivers allow?

Answer 18

A peripheral device to be connected to a computer

Question 19

What is a peripheral device?

Answer 19

A piece of hardware not directly connected to the CPU

Question 20

What does file management in an Operating System involve?

Answer 20

Identifying where files are stored for long-term storage

Question 21

What are some features of file management?

Answer 21

• Naming of files
• Allocating to folders
• Creating, moving, copying, modifying and deleting files
• Searching for files

Question 22

What does user management enable in an Operating System?

Answer 22

Different users to log onto a computer and retain settings

Question 23

Who can set access rights for different users in a network?

Answer 23

A network administrator

Question 24

True or False: User management allows multiple users to modify the same file simultaneously.

Answer 24

False

Question 25

What are utility programs designed to do?

Answer 25

Perform just one or two tasks ## Footnote Utility programs interact with the computer hardware.

Question 26

How do utility software interact with computer hardware?

Answer 26

They interface directly with hardware components like disk drives ## Footnote Utility software is built into the operating system.

Question 27

What does encryption mean?

Answer 27

To scramble data in a way that is unreadable without a key ## Footnote Data is encrypted using a key and decrypted with the same or a different key.

Question 28

Why is data encrypted?

Answer 28

To make it unreadable if intercepted ## Footnote Encryption ensures data security during transmission.

Question 29

Fill in the blank: Data is encrypted using a _______ and then decrypted using a key.

Answer 29

key

Question 30

What is the purpose of defragmentation software?

Answer 30

To group fragmented files back together ## Footnote Fragmentation occurs when files are deleted and gaps are left on the hard disk.

Question 31

What happens to files on a hard disk drive over time?

Answer 31

They become fragmented due to gaps left by deleted files ## Footnote New files fill these gaps, leading to fragmentation.

Question 32

What is the function of compression in file management?

Answer 32

To reduce the size of the file by removing repeated or unnecessary data ## Footnote Compression can be lossless or lossy.

Question 33

Define lossless compression.

Answer 33

Compression that does not remove data permanently ## Footnote The original file can be re-created as no data is lost.

Question 34

Define lossy compression.

Answer 34

Compression that permanently loses original data ## Footnote The original file cannot be re-created.

Question 35

For a large video file, which type of compression is most appropriate?

Answer 35

Lossy ## Footnote Lossy compression allows for smaller file sizes while maintaining acceptable quality.

Question 36

Why is lossless compression suitable for text files?

Answer 36

Because the text must be exactly the same and readable ## Footnote Lossy compression would make the text unreadable.

Question 37

For an image file, which type of compression is typically used?

Answer 37

Lossy ## Footnote Lossy compression reduces color data, resulting in smaller file sizes that are often imperceptible to humans.

Question 38

True or False: Lossy compression allows the original data to be fully restored.

Answer 38

False ## Footnote Lossy compression permanently loses some of the original data.

Question 39

What is a common format for images online that use lossy compression?

Answer 39

JPEG ## Footnote JPEG images are widely used due to their smaller file sizes.