Wednesday, June 1, 2011

Q. What is Assembly Language?

Assembly Language:

It is also low level language. But It is easier than machine language.It was developed to make programming easy. In assembly language machine language instructions are replaced by English like Words. There words are Known as mnemonics. Itis pronounced as Ne-Monic.As Assembly language uses like English like words. It is easy to write a program in assembly language.A program written in assembly languages also different for different type of computers. It is mostly used for system software.

Computer cannot understand assembly language. Because assembly language is English like language and computer can understand only machine language. So a special software "Assembler"
is used to convert programs written in assembly language in to machine language.

Q. What is Machine Language?

Machine Language:
Machine language is also called binary language. There are only two alphabets of machine language those are zero (0) and (1). Computer can understand only machine language. The program written in other programming languages are first translated to machine language, and then used on computer . It is called the native language of computer.

It is difficult to learn and understand machine language. A lot of time is required to write or modify a program written in machine language . However the execution seed of programs, written in machine language is very fast.

Machine language is not a standard language for all type of computers. Every type of computer has its own machine language. A program written for one type of computer cannot run on other type of computer.

Q. What is Low Level programming Language?

Low Level programming Language:

A language that is close to the language computer itself used is called a Low level Language. There are two types of low level level languages.

Q.Briefly Describe computer Program and Programming Language?

Computer Program:
A computer Program that is used to solve different Kind of problems.
computer can Solve Problems with high speed and without error.But computer does not Know how to solve a problem.To solve a problem with computer first we tell computer the method of solving problem.We do this by giving instructions to computer So the set of instructions given to computer to solve a specific problem is called computer program.Computer can solve problems with the help of computer program.

Programming Language:
Language is used for communication.programming language is used to communicate with computer.All computer programs are written in programming languages. Every programming language has a set of alphabets and rules.The instructions of computer program are written by using the alphabets and rules defined by the programming language."C" is an example of programming language. There are two types of programming languages.

  • Low Level Languages
  • High Level Languages