4.4.4 Classification of programming languages and translators

Question 1

What s machine code?

Answer 1

Everything inside a computer can only understand instruction given in binary.

Question 2

What are the characteristics of machine code?

Answer 2

1. Does not need to be translated before being run because it is written in binary
2. Hard to read and write a program. Very difficult for humans to debug and fix.

Question 3

What are characteristics of low level languages?

Answer 3

1. 1:1 relation ship with processor instructions
2. Fine control over how a program is executed
3. Optimize a program

Question 4

What are some examples of High level languages?

Answer 4

Python, Visual Basic, C++, C#

Question 5

What are the characteristics of high level languages?

Answer 5

1. Portable
2. Translated using a compiler or interpreter
3. 1: Many - one statement translates to many machine code instructions.

Question 6

What are the two low level languages?

Answer 6

Assembly Language and Machine Code

Question 7

What are the characteristics of assembly language?

Answer 7

1. Allows programmers to express programs using simple commands which can be translated into machine code.
2. These languages were written for a specific processor
3. Difficult to write and understand

Question 8

What is the definition of machine oriented?

Answer 8

1. Can directly interact with components such as registers and main memory.
2. 1:1 relationship between assembly language and machine code
3. Each assembly language instruction translates into one machine code instruction.