Computer Language

To communicate with the computer user also needs to have a language.

Low level language: - Low level computer languages are machine codes or close or close to it. It can only understand and execute instructions given in the form of machine language i.e. language of 0 and 1. There are two types of low level language.

1) Machine language: machine language is basically the only language which computer can understand. Its machine code which is represented inside the computer by a 0 and 1. The symbol 0 stands for the absence of electric pulse and 1 for the presence of an electric pulse.

Advantage:

  • It makes fast and efficient use of the computer.
  • It require no translate the code i.e. directly understood by the computer.

Disadvantages:

  • All operation codes have to be remembered.
  • All memory address have to be remembered.
  • It is hard to a or find error in a program written in the machine language.
  • These language are machine dependent.

2) Assembly language: It operation codes and operands are given in the form of alpha numeric symbols instead of 0’s and 1’s.

Advantages:

  • It is easier to understand and use as compared to machine language.
  • It is easy to locate and correct errors.
  • It is modified easily.

Disadvantages:

  • Like machine language it is also machine dependent.
  • Since it is machine dependent therefore programmer should have the knowledge of the hardware also.

High level language: Each instruction in the high level language is translated into many language instruction this showing one to many translation.

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