Types of programming languages

Question 1

Types of programming languages

What is ‘machine code’?

Answer 1

A binary instruction that can run within a CPU

Question 2

Types of programming languages
What is this?
• A binary instruction that can run within a CPU

Answer 2

machine code

Question 3

Types of programming languages

What is ‘assembly language’?

Answer 3

• A set of mnemonic instructions, each with a machine code (binary) equivalent

Question 4

Types of programming languages

What is this?
• A set of mnemonic instructions, each with a machine code (binary) equivalent

Answer 4

assembly language

Question 5

Types of programming languages

Assembly language is known as a ‘low level language’. What does that mean?

Answer 5

• It is almost the same as machine code. There is a direct link between an instruction in assembly and the machine code it represents

Question 6

Types of programming languages

What is this describing?

• It is almost the same as machine code. There is a direct link between an instruction in assembly and the machine code it represents

Answer 6

Assembly language

Question 7

Types of programming languages

What is an ‘instruction set’?

Answer 7

• The complete set of commands available is the instruction set of the CPU

Question 8

Types of programming languages
What does this describe?

• The complete set of commands available is the instruction set of the CPU

Answer 8

Instruction Set

Question 9

Types of programming languages

Give one advantage for using assembly language?

Answer 9

• Programs run very fast compared to programs written in high level language, because there is less code overall

Question 10

Types of programming languages
What is this?

• Programs run very fast compared to programs written in high level language, because there is less code overall

Answer 10

one advantage for using assembly language

Question 11

Types of programming languages

Give two features of a high level language

Answer 11

• It has a set of keywords such as PRINT or IF

* It has a set of grammar rules (syntax) which define how to combine the keywords correctly

Question 12

Types of programming languages

What is this?
• It has a set of keywords such as PRINT or IF
• It has a set of grammar rules (syntax) which define how to combine the keywords correctly

Answer 12

two features of a high level language

Question 13

Types of programming languages

Give three examples of a high level language which could be used to write source code

Answer 13

• Python
• Java
• C++

Question 14

Types of programming languages

What are these?

Answer 14

three examples of a high level language which could be used to write source code

Question 15

Types of programming languages

High level languages are machine independent. What does this mean?

Answer 15

• They can be ported to different computers and still run

Question 16

Types of programming languages
What does this describe?
• They can be ported to different computers and still run

Answer 16

machine independent language

Question 17

Types of programming languages

What is a translator?

Answer 17

• A piece of software that converts programming code into machine code

Question 18

Types of programming languages
What is this?
• A piece of software that converts programming code into machine code

Answer 18

a translator

Question 19

Types of programming languages

List the three different types of translators

Answer 19

• Assembler
• Complier
• Interpreter

Question 20

Types of programming languages
What are these?
•	Assembler
•	Complier
•	Interpreter

Answer 20

the three different types of translators

Question 21

Types of programming languages

What is the purpose of an ‘assembler’?

Answer 21

• It converts assembly language instructions into machine code

Question 22

Types of programming languages
What is this?
• It converts assembly language instructions into machine code

Answer 22

the purpose of an ‘assembler’

Question 23

Types of programming languages

What is the purpose of a ‘compiler’?

Answer 23

• It converts high level source code into machine code

Question 24

Types of programming languages
What is this?
• It converts high level source code into machine code

Answer 24

the purpose of a ‘compiler’

Question 25

Types of programming languages

What file type will be created after using a compiler?

Answer 25

• .exe (executable) file

Question 26

Types of programming languages

What is this?

• .exe (executable) file

Answer 26

the file type will be created after using a compiler

Question 27

Types of programming languages

Give one benefit of using an executable file format

Answer 27

• It doesn’t require the complier or source code to be present to be run

Question 28

Types of programming languages

What is the purpose of an ‘interpreter’?

Answer 28

• It converts a single line of high level source into machine code and then immediately runs it

Question 29

Types of programming languages

What is this?

• It converts a single line of high level source into machine code and then immediately runs it

Answer 29

the purpose of an ‘interpreter’?

Question 30

Types of programming languages

Complete these sentences:
Compilers and Compiled Code
- ????????? compile all of the source code in one go
- Compilers create an ?????????? file
- Programs created with compilers can be run without the compiler or ?????? ???? being present
- Compiled code tends to run faster than ??????????? code.

Answer 30

Compilers and Compiled Code

• Compilers compile all of the source code in one go
• Compilers create an executable file
• Programs created with compilers can be run without the compiler or source code being present
• Compiled code tends to run faster than interpreted code.

Question 31

Types of programming languages

Complete these sentences:

Interpreters and Interpreted code

• Interpreters compile the ????? ???? line by line
• Interpreters don’t create an ????????? file
• Interpreters are ????????for the code to be run
• Interpreter code tends to run very ??????

Answer 31

Interpreters and Interpreted code

• Interpreters compile the source code line by line
• Interpreters don’t create an executable file
• Interpreters are required for the code to be run
• Interpreter code tends to run very slowly