Classification or programming languages

Question 1

what is translator software

Answer 1

software that allows new programs to be written and run on computers by converting source code into machine code

Question 2

what are the 3 types of translators

Answer 2

• assembler
• interpreter
• compiler

Question 3

explain what an assembler does

Answer 3

converts assembly code into machine code

Question 4

explain what an interpreter does

Answer 4

converts third generation language into machine code one line at a time

Question 5

explain what a compiler does

Answer 5

coverts third generation languages into machine code all at once

Question 6

what is 1st generation language

Answer 6

machine code

Question 7

what is 2nd generation language

Answer 7

assembly

Question 8

what is 3rd generation language

Answer 8

high level such as python

Question 9

give 2 charactertics of first generation language

Answer 9

• binary code
• difficult for humans
• no need to be translated

Question 10

give 2 charactertics of second generation language

Answer 10

• symbolic representation
• specific to architecture
• fast execution
• knowledge of hardware needed

Question 11

give 2 charactertics of third generation language

Answer 11

• portable
• structured
• easier to program
• error handling

Question 12

true or false

if a program has been compiled it is not possible to execute the program if there is an error

Answer 12

True

Question 13

what is meant by imperative high level language

Answer 13

• language that uses english-like words
• instructions are executed in a programmer defined order (it has been described how to solve the problem)

Question 14

what is meant by declarative high level laguage

Answer 14

• uses english like words
• specifiy what the problem is but programmer doesnt describe how to solve the problem

Question 15

what are the advantages of an interpreter

Answer 15

• easier to create the program as bugs can be identified quicker
• program can run on any machine with the appropraite interpreter

Question 16

what are the advantages of a compiler

Answer 16

• runs faster
• creates an executable file
• users dont have access to source code

Question 17

why do some compilers produce their final ouput in an intermediate language / bytocde

Answer 17

allows platform independance

Question 18

what is machine code language

Answer 18

binary

Question 19

what is assembly language

Answer 19

uses neumonics