5 Software

Question 1

Where do instructions come from?

Answer 1

Instructions come from software.

Question 2

What happens when you start a software?

Answer 2

All the instruction codes from the software are copied to the RAM. This first step is called loading.
After the first step the CPU fetches the instructions and carries them out. (This process is called running the software).

Question 3

What are the two types of software.

Answer 3

Application software for example a game or an email application.
System software is the software that enables the computer to work properly.

Question 4

What is booting up?

Answer 4

Booting up is to load the operating system from the storage to the RAM.

Question 5

What is ROM?

Answer 5

ROM are the first instructions that the computer needs.

Question 6

What is BIOS?

Answer 6

BIOS are the set of instructions that get copied to the main memory to control the peripherals that are connected to the PC and to look in the secondary storage for the operating system.

Question 7

By whom is linux favored by?

Answer 7

It is favored by computer experts.

Question 8

What does the operating system do?

Answer 8

The operating system controls the hardware, makes the user interface understandable for us, loads and runs applications, spots errors and copes them.

Question 9

What is a hardware interrupt?

Answer 9

A hardware interrupt is when you change something using a peripheral while there was a computer sequence in action and it sends you an error message(interrupt).

Question 10

What are software interrupts?

Answer 10

Software interrupts are error messages for example when loading a page takes to long.

Question 11

What is an extra feature of interrupts?

Answer 11

An extra feature of interrupts could be to let the CPU swap between different programs.

Question 12

What are low-level langnuages.

Answer 12

Low-level languages are the way computers can communicate with each. A low-level language could a be for example the binary system.

Question 13

What do compilers do?

Answer 13

Compilers make files for programs easily readable for the computer by transforming the high-level code to low-level code.

Question 14

What do interpreters do?

Answer 14

Interpreters translate the program code and execute it as it translates it.

Question 15

What are the advantages and disadvantages of compilers?

Answer 15

The executable file can be easily transmitted or sold to another person. However If you make a change the program must be compiled again.

Question 16

What are the advantages and disadvantages of interprets?

Answer 16

If you make a change you can instantly see the change and you don’t have to compile the program. However, the program can only work if you the right interpreter.

Question 17

The difference between UI and GUI and what do they stand for?

Answer 17

Ui - User interface
GUI - Graphical user intereface
GUI is enhanced with graphical elements in comparison with UI.

Question 18

What does translation mean in programing?

Answer 18

A program is transformed into machine code.

Question 19

What is an assembly language?

Answer 19

It is a low-level language.