Computer Languages

The only language understood by the digital devices is...

• assembly language

• linking language

• translation language

• machine language

They are considered closer to computers

• Low Level Languages

• High Level Languages

• Object oriented Languages

"High Level languages (HLL) are not machine-dependent". The statement above means:

• They have a sentence-like structure

• they are closer to natural languages

• they can be used on different types of computers

• they are easy to learn

Compilers, interpreters and assemblers are translation programs:

• used for HLL and LLL

• Compilers and Interpreters are used for HLL instead the assembler is used for LLL

• they are used only for LLL

The 1st GPL (1940s)

• was not important

• was not machine-dependent

• was called assembly language

• was based on the binary system

mnemonics are:

• also called memory helps

• alphabetic abbreviation converted by the assembly language

• alphabetic abbreviation converted by the interpreter

• num1, num 2, sum

The HLL stated with

• the second generation of programming language

• the third generation of programming language

• the fourth generation of programming language

• the fifth generation of programming language

In the HLL, the instructions:

• are called statements

• are called sentences and are a combination of English-like phrases and mathematical terms

The procedural language expresses a problem as:

• topdown instructions to accomplish a task

• interaction with objects to accomplish a task

The object-oriented language expresses a problem as:

• topdown instructions to accomplish a task

• interaction with objects to accomplish a task