Week 5 Identifiers, Variables, Keywords, and Data

Question 1

tokens are _______ building blocks in C language

Answer 1

tokens are basic building blocks in C language

Question 2

tokens are _______ individual units in C

Answer 2

tokens are smallest individual units in C

Question 3

Types of \_\_\_\_\_\_\_ in C 
Keywords 
Identifiers
Constants
Variables
String
Operators

Answer 3

Types of Token in C 
Keywords 
Identifiers
Constants
Variables
String
Operators

Question 4

_______ are symbols which are used to perform logical and mathematical operations in a C program

Answer 4

operators are symbols which are used to perform logical and mathematical operations in a C program

Question 5

_______ are join individual constants and variables to form _______.

Answer 5

operators are join individual constants and variables to form expressions.

Question 6

\_\_\_\_\_\_\_ \_\_\_\_\_\_\_
\+ addition or unary plus 
- subtraction or unary minus 
* multiplication 
/ division
% remainder after division( modulo division)

Answer 6

ARITHMETIC OPERATORS 
\+ addition or unary plus 
- subtraction or unary minus 
* multiplication 
/ division
% remainder after division( modulo division)

Question 7

_______ name must begin with letter or underscore.

Answer 7

Variable name must begin with letter or underscore.

Question 8

Variables _______ case sensitive

Answer 8

Variables are case sensitive

Question 9

_______ can be constructed with digits, letters.

Answer 9

Variables can be constructed with digits, letters.

Question 10

No special symbols are allowed other than ______, for variables

Answer 10

No special symbols are allowed other than underscore, for variables

Question 11

sum, height, _value are some examples for _______ name

Answer 11

sum, height, _value are some examples for variable name

Question 12

CATEGORIES OF VARIABLES

1. _______ variable
2. _______ variable
3. _______ variable

Answer 12

CATEGORIES OF VARIABLES

1. Local variable
2. Global variable
3. Environment variable

Question 13

_______ _______ are defined as the data storage format that a variable can store a data to perform a specific operation.

Answer 13

data types are defined as the data storage format that a variable can store a data to perform a specific operation.

Question 14

_______ _______ are used to define a variable before to use in a program

Answer 14

data types are used to define a variable before to use in a program

Question 15

• Basic _______ types (int, char, float, double)

Answer 15

• Basic data types (int, char, float, double)

Question 16

• _______ data type (_______)

Answer 16

• Enumeration data type (enum)

Question 17

• _______ data type (pointer, array, structure, union)

Answer 17

• Derived data type (pointer, array, structure, union)

Question 18

• _______ data type (void)

Answer 18

• Void data type (void)

Question 19

_______ – special words that are used to give special meaning to the program and cannot be used as a variable or constant. There are 32 _______ used in C programming.

Answer 19

Keywords – special words that is used to give special meaning to the program and cannot be used as a variable or constant. There are 32 keywords used in C programming.

Question 20

_______ – sequence of alphabets and digit, but then keyword cannot be used.

Answer 20

Identifiers – sequence of alphabets and digit, but then keyword cannot be used.

Question 21

_______ – names where values cannot be changed during the execution of the program.

Answer 21

Constants – names where values cannot be changed during the execution of the program.

Question 22

_______ constants – numeric constant without any fractional or exponential part.

Answer 22

Integer constants – numeric constant without any fractional or exponential part.

Question 23

_______ _______ constants – is a numeric constant that has either fractional form or an exponent form.

Answer 23

Floating point constants – is a numeric constant that has either fractional form or an exponent form.

Question 24

_______ constants – uses single quotation around characters

Answer 24

Character constants – uses single quotation around characters

Question 25

_______ sequences – selected characters used with special meaning in C programming.

Answer 25

Escape sequences – selected characters used with special meaning in C programming.

Question 26

_______ constants – strings which are enclosed in a double quotation mark.

Answer 26

String constants – strings which are enclosed in a double quotation mark.

Question 27

_______ constants – used to define enumeration types.

Answer 27

Enumeration constants – used to define enumeration types.

Question 28

There are _______ different types of constants.

Answer 28

There are 6 different types of constants.

Question 29

_______ – it is used to give the name and allocate memory space in the computer

Answer 29

Variables – it is used to give the name and allocate memory space in the computer

Question 30

_______ – collection of more than one character

Answer 30

String – collection of more than one character

Question 31

_______ – act as a connector and indicate what type of operation to be performed or carried out.

Answer 31

Operators – act as a connector and indicate what type of operation to be performed or carried out.