Languages

Question 1

What are the 4 programming languages?

Answer 1

Machine language
Assembly Language
High-level language/s
Script and Markup Languages

Question 2

What is a Machine Language?

Answer 2

Constructs instructions as Binary codes. It depends on 0s and 1s to build any sort of instruction.

Question 3

What is an Assembly Language?

Answer 3

A low-level programming langue that Includes symbolic codes instructions or Mnemoic codes. It implements symbolic representation of the machine code required to program a CPU.

Question 4

What is a High-Level programming language?

Answer 4

Refers to languages such as Java, C++ and Python. Structured in English-like procedural statements with Mathematical notation.

Question 5

What is a Script and Markup language?

Answer 5

Normally used to build webpages.

Question 6

What is a Script language?

Answer 6

A language used to guide and control programs. It is meant to be interpreted than compiled.

Question 7

What is a Markup Language?

Answer 7

It is used to control the presentation of data and describe the data and formatting in textual format.

Question 8

What do instructions consist of?

Answer 8

Opcode

Operand

Question 9

What is an Opcode?

Answer 9

A part of an instruction that tells the CPU what to do.

Question 10

What is an Operand?

Answer 10

A part of an instruction that contains the address from where to fetch/store data.

Question 11

What are Assemblers?

Answer 11

Converts assembly language into its machine code equivalent.

Question 12

Give an example of an Assembler

Answer 12

ADD 200, 216, 220 > 0001000, 0001100…

Question 13

What are common Assemblers?

Answer 13

Microsoft's Macro assembler (MASM)
Flat Assembler (FASM)

Question 14

What is a Compiler?

Answer 14

Translates high-level language to machine code equivalent. They also;
- check syntax of a program

Question 15

What is a Syntax check?

Answer 15

Checks syntax errors once a program is written and “compiled”

Question 16

What is an Interpreter?

Answer 16

Executes source code instructions in high-level programming language but does not provide on executable file. They also;

• check for syntax errors
• take one instruction at a time and convert it.

Question 17

What is an executable file?

Answer 17

Files that can be clicked and executed. Usually used for game development when installing necessary software.

Question 18

Give common interpreter based languages

Answer 18

PHP, JavaScript and BASIC

Question 19

What are the differences between Compilers & Interpreters?

Answer 19

• Compilers translate all source code and sends it straight to the processor. Whereas, Interpreters executes one instruction at a time.

• Compilers and Interpreters have different languages. Compilers = C, C++
Interpreters = Basic, JavaScript

• Compilers cannot go through instructions to find errors. Whereas, Interpreters assists in finding errors within the code.

Question 20

Give an example of a Compiler syntax correction.

Answer 20

var1 = var2+ —> var1 = array1 + peocedure1