High and low-level languages

Question 1

What is a program?

Answer 1

• A computer program is a list of instructions that enable a computer to perform
  a specific task.

Question 2

Examples of high level languages

Answer 2

Python, C++, C, and Java

Question 3

Adv. and Disadv. of high level languages

Answer 3

- Generally slower than assembly code - have to be more extensively 
translated
- Resemble human language
- Faster to write
- Easier to debug
- Easier to maintain

Question 4

Low level languages + examples

Answer 4

• Relate to the specific architecture and hardware of a specific type of computer
• Assembly Language
• Machine Code

Question 5

Adv and disadv of assembly languages

Answer 5

• Used with specific hardware, not generalizable
• Code is extremely fast and doesn’t take up much memory
• Can be difficult to write for programmers

Question 6

Why would a programmer use assembly language?

Answer 6

To make use of special hardware
To make use of special machine-dependent instructions
To write code that doesn’t take much space in primary memory
To write a code that performs task very quickly

Question 7

Info about machine code

Answer 7

Not written by human programmers
- Assembly language or high-level languages are all translated into machine
code before being fed to the processor

Question 8

Translators

Answer 8

• Computers can only understand binary code, so high-level languages and
  assembly code need to be translated

Question 9

Compiler

Answer 9

A compiler translates a high-level language like Python into machine code
- This machine code is stored in a file than can then be executed in the CPU.

Question 10

Interpreter

Answer 10

Rather than translating a high-level language into machine code, an
interpreter directly executes a program in the CPU, line-by-line