UNIT 2 Introduction to C

Question 1

It is a general-purpose programming language which features economy of expression, modern
control flow and data structures and a rich set of operations

Answer 1

C

Question 2

It has been called as “system programming language” because it is useful for writing
compilers and operating systems.

Answer 2

C

Question 3

It is a structured programming language. It is considered a high- level language because
it allows the programmers to concentrate on the problems at hand.

Answer 3

C

Question 4

It is developed by Martin Richards in 1967.

This language is turn strongly influenced the development of the next language –B.

Answer 4

Basic Combined Programming Language (BCPL)

Question 5

It is written and developed by Ken Thompson in 1970 for the first UNIX system on the DEC
PDP-7. Both BCPL and B are “typeless” languages.

Answer 5

B

Question 6

It is an expansion of B. A programming language designed by Dennis Ritchie in 1972 at AT
and T Bell Laboratories. C was originally designed for and implemented on the UNIX
operating system on the DEC PDP-II.

Answer 6

C

Question 7

It is a version of C developed by Borland International Corporation in 1987. This
version is designed to run on various microcomputer systems, namely those which use the
operating system MS-DOS, the operating system for the IBM Personal Computers and
Compatibles.

Answer 7

Turbo C

Question 8

He reads the source code of your program one line at a time and performs the
specific instructions contained in that line.

Answer 8

Interpreter

Question 9

He reads the entire program and converts it into object code-the form that can be
directly executed by the computer

Answer 9

Compiler

Question 10

It refers to the events that occur during the compilation process.

Answer 10

Compile Time

Question 11

It is a translation of the program source code in a form that can be directly
executed by the computer. It is also called the binary code and machine code.

Answer 11

Object Code