ch-1

 Chapter 1

Computer Language                                     12/4/2017    (VI A)

Q1. What do you mean by Machine Language?

Ans. Machine language is the only language that a computer understands. It is expressed in binary form 0 and 1 where 0 means ‘off’ and 1 means ‘on’ state.

Q2. How is Assembly language different from Machine Language?

Ans. Machine Language                                                               Assembly Language

    1.     It uses binary codes 0 and 1                            1. It uses Mnemonic codes or Symbols.

    2.     It is difficult to understand.                              2. It is easy to understand.               

    3.     It is very time consuming process                    3.It is less time consuming process.

Q3. What are the features of high level language?

Ans.1. It uses English words and Mathematical operators.

        2.It is  Machine – independent.

        3.  It is Simple and user friendly language.

Q4. Differentiate between an interpreter and a compiler.

Ans.                Interpreter                                                               Compiler

    1.      Translates the program line by line.                  1. Translates the whole program at once

    2.     If any errors are found they are                        2.  Errors found at the end of the program removed immediately.                                         Execution.

    3.     Execution is very slow.                                   3. Execution is very fast.

Q5. List any three characteristics of the Fourth generation language.

Ans.   1. Machine – Independent

           2. Highly user – friendly.

           3. Very high speed of execution.

           4. Application development tool.