Characteristics and purpose of different levels of programming languages:

Question 1

what is a high level language?

Answer 1

Programming languages with abstraction from computer hardware, easier to understand and program in.

Question 2

Give 5 examples of high level languages.

Answer 2

1. Python

2.Java

3.C++

4.C#

5. Visual basic

Question 3

Low-level languages

Answer 3

Programming languages with minimal abstraction from computer hardware, closer to machine code.

Question 4

what language are low level languages written in

Answer 4

assembled language

Question 5

how are lower level languages translated

Answer 5

by an assembler into machine code

Question 6

what are low level languages used for

Answer 6

embedded systems and device drivers where instructing the hardware directly is necessary

Question 7

positives of low level languages

Answer 7

-memory efficient-programmer works with memory directly

-code is fast to execute

Question 8

negatives of low level languages

Answer 8

-code is harder to write and understand

Question 9

one instruction in low level language is translated to

Answer 9

one machine code instruction

Question 10

does code written in low level language works on all processors

Answer 10

the code works on one type of processor only.

Question 11

high level language is translated by

Answer 11

a compiler or interpreter into machine code

Question 12

how do high level languages make writing computer programs easier

Answer 12

by using commands that are like English

code is quicker and easier to understand and write

lots of data structures to use

Question 13

one source code instruction translates to…

Answer 13

many machine code instructions

Question 14

high level language code will run on how many processors

Answer 14

different processors

Question 15

problems with high level language code

Answer 15

less memory efficient

code can be slower to execute if not optimised

Question 16

Translators

Answer 16

Software used to convert high-level language code into machine code, including compilers and interpreters.

Question 17

Compiler

Answer 17

A program that translates high-level language code into machine code all at once, producing an executable file.

Question 18

Interpreter

Answer 18

A program that translates high-level language code into machine code line by line, executing it immediately.