The document covers basic C programming concepts including the processes involved in executing a program, functions of the basic functional unit, components of the CPU, and types of tokens. It also discusses data types, their sizes and format specifiers, control flow, branching statements, and looping constructs in C. Specifically, it outlines conditional and unconditional branching statements as well as the types of loops available in C programming.

1. C-PROGRAM
BASIC QUESTIONS (part 1)
Introduction
1) Computer undergoes three processes to execute the program, what are those?
A. Computer undergoes a) accepting the data; b) processing the data; c) producing the
desired result.
2) Name four functions carried out by basic functional unit.
A. Input unit; central processing unit; Memory unit; output unit.
3) CPU consists of how many units, name them.
A. It consist of two units 1) control unit; 2) Arithmetic Logical unit .
4) What do you mean by Token and mention its types
A. Token is smallest individual unit in c programming. And it can be differentiated into
1-Keywords; 2-Identifiers; 3-constants; 4-operaters; 5-Strings; 6-Special symbols,
5) What do you mean by data types, elaborate?
A. It supports (i) primary or fundamental data types (ii)Derived data types (iii)User
defined data types
Data type size format specifier
Char 8 %c
Int 16 %d
Float 32 %f
Double 64 %if
6) What are the types of initialization?
A.1) Run time initialization; 2) compile type initialization
7) What do you mean by control flow?

2. A. The order in which statements are executed, and the statement which is used to control
the flow is called control statement.
8) Explain branching?
A. statement which is used to skip the part of the program, when the skipping is done
according to condition is called conditional branching.
9) What are the types of conditional branching?
A. (i)simple if;(ii)if-else;(iii)else if ladder;(iv)switch statement
10) What are the unconditional branching statements?
A. Which allow to skip the part of the program without condition: it’s types are:-
(i) goto;(ii)break;(iii)continue.
11) Define looping?
A. a section which causes program to be executed repeatedly until condition is true.when
condition becomes false it terminates. It consist of body of the loop and control expression
12) How many looping constructs are there in c?
In C there are 3 looping constructs:
1. while loop. (entry controlled loop)
2. do-while loop. (exit controlled loop)
3. for loop. (entry controlled loop)