Programming Languages

Question 1

What is machine code?

Answer 1

Commands that the CPU executes, represented as 1s and 0s

Question 2

What is the opcode of instructions for the microprocessor?

Answer 2

The opcode specifies the operation that is to be performed.

Question 3

What is the operand of instructions for the microprocessor?

Answer 3

The operand is the data or the memory location where the dat can be found

Question 4

What does an assembler do?

Answer 4

Translate assembly language programs into machine code

Question 5

What is a high level language?

Answer 5

A programming language that is much closer to english that machine code

Question 6

What are the advantages of high level languages?

Answer 6

Faster program development
Easier to remember the commands
Portable between different machines, as each assembly language is specific to a particular CPU

Question 7

What are the advantages of using low level languages?

Answer 7

They require less memory and execution time than high level languages
They allow the programmer to directly control system hardware

Question 8

What is the difference between a complier and a translator?

Answer 8

A compiler reads the whole code, and if there are no errors, translates the code into machine code. A interpreter reads the code one line at a time, converts it into machine code and executes it.