Computers: Unit 19: Software

Question 1

What is software?

Answer 1

The set of programs run by a computer system

Question 2

What are the two types software is divided into?

Answer 2

-Applications software
- system software

Question 3

How is system software usually divided into?(2)

Answer 3

• Operating systems
• utility software

Question 4

What is application software?

Answer 4

Software that performs a task that would otherwise be done by hand.

Question 5

What is operating system?

Answer 5

Software design for a particular hardware and which managers other programs access to the hardware.

Question 6

What is utility software?

Answer 6

Software that does a usual job for the user that is not essential to the operating system and not the reason for using a computer.

Question 7

What is system software?

Answer 7

Operating system and utility software.

Question 8

What is application programming interface (API)

Answer 8

Code that allows to programs to communicate with each other.

Question 9

Give three examples of operating system(OS)?

Answer 9

-Windows.
- Linux.
-Android.

Question 10

What is scheduling?

Answer 10

The algorithm that the OS uses to allow each running process to use CPU.

Question 11

What is paging?

Answer 11

The algorithm that the OS uses to move programs from Ram to disk and back again when needed once main memory is full.

Question 12

What is concurrent

Answer 12

Processors that run at the same time a described as being concurrent.

Question 13

What is authentication?

Answer 13

The process of proving to a computer system who you are.

Question 14

What is user interface?

Answer 14

The way the user interacts with the operating system.

Question 15

What is multitasking

Answer 15

Running multiple applications at the same time by giving each application small time slice of processor time.

Question 16

What are the two tie important pieces of hardware that have to be shared?

Answer 16

• RAM
• CPU

Question 17

What are the three areas / tools that utilities software can be split into?

Answer 17

-Basic tools
- file management
- security

Question 18

What are the five file management tools?

Answer 18

• file repair
• backup
• data compression
• De fragmentation
• anti- mal ware.

Question 19

What is backup

Answer 19

Copy copy of files in another location so that they are still available if the original copy is damaged or lost.

Question 20

What are the two types of backups

Answer 20

• Full backups
• incremental backups

Question 21

What is defragmentation

Answer 21

• utilities reorganize files on a hard disk, putting fragments of files back together and it collects together free space.

Question 22

What is the defragmenter?

Answer 22

Are utility that moves file plasters on a disc so they are closer to each other in order to speed up disc access.

Question 23

What is the benefit of defragmentation?

Answer 23

• This reduces the movement of read/write head across the surface of the disk, which speeds up file access.

Question 25

What is virus?

Answer 25

Software that is designed to make and distribute copies of itself this is usually for a malicious purpose.

Question 26

What is firewall?

Answer 26

Are utility that controls program access to the network both incoming and outgoing.

Question 27

What is spyware?

Answer 27

Software possibly a virus that is designed to be installed secretly on a computer. it records private information as the user enters it.

Question 28

What is "what if question"?

Answer 28

Running a computer model with given set of inputs to see what the model producers as a output or prediction.

Question 29

Give three examples of computer models?

Answer 29

- flight simulator - weather forecast - earthquake prediction

Question 30

What are neural networks?

Answer 30

Networks that process information in similar way to human brains and learn and adapt overtime.