Constants and Operators

Question 1

refer to fixed values that the program may not alter during its
execution

Answer 1

Constants

Question 2

fixed values

Answer 2

Literals

Question 3

Constants may belong to

Answer 3

any of the data type

Question 4

basic data types

Answer 4

integer constant
floating-point constant
character constant or a string literal
enumeration constant (enum)

Question 5

Two data types that must have at least one digit

Answer 5

Integer and Floating Point Constants

Question 6

A data type that must not have a decimal point

Answer 6

Integer Constants

Question 7

Two data types that can either be positive or negative

Answer 7

Integer and Floating Point Constants

Question 8

No commas or blanks are allowed within __

Answer 8

Integer Constant and Real Constant

Question 9

If no sign precedes an integer constant, then

Answer 9

it is assumed to be positive.

Question 10

An integer constant is assumed to be positive if

Answer 10

no sign precedes an integer constant

Question 11

The allowable range for integer constants is

Answer 11

-32768 to 32767

Question 12

A data type that must have a decimal point

Answer 12

Floating Point Constants

Question 13

You can represent floating point literals either

Answer 13

decimal form or
exponential form

Question 14

A floating-point literal has

Answer 14

integer part
decimal point
fractional part
exponent part

Question 15

A single alphabet, a single digit or a single special symbol enclosed within single quotes

Answer 15

Character Constants

Question 16

The maximum length of a character constant is

Answer 16

1 character

Question 17

Enclosed within double quotes

Answer 17

String Constants

Question 18

Contains characters that are similar to character literals:

Answer 18

plain character
escape sequences

Question 19

Two ways of defining constants

Answer 19

Using #define preprocessor
Using const keyword

Question 20

Syntax of #define preprocessor

Answer 20

define IDENTIFIER value

Question 21

Syntax of const keyword

Answer 21

const type variable = value;

Question 22

Something that acts on a variable or an expression

Answer 22

Operators

Question 23

Operators does

Answer 23

computes or retrieves a value
changes an object

Question 24

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

Answer 24

Operators

Question 25

Join individual constants and variables to form expressions

Answer 25

Operators

Question 26

Operators are used to perform _ and _ operations in a C program

Answer 26

logical and mathematical

Question 27

Expressions can be _

Answer 27

nested

Question 28

Types of Operators

Answer 28

Arithmetic operators Assignment operators Increment/decrement operators Relational operators Logical operators Conditional operators (ternary operators) Special operators

Question 29

Operators that perform +, -, *, /

Answer 29

Arithmetic Operators

Question 30

require one operand

Answer 30

Unary

Question 31

require two operands

Answer 31

Binary

Question 32

% requires _ operands

Answer 32

integer

Question 33

The / can produce surprising results. When both of the operands are int, the result

Answer 33

truncated

Question 34

Operator Precedence

Answer 34

``` Highest + - (unary) * / % Lowest + - (binary) ```

Question 35

Left Associative

Answer 35

`* / % + -`

Question 36

Right Associative

Answer 36

unary operators ( + - )

Question 37

The = operator is _ associative

Answer 37

right associative

Question 38

Can have a value assigned to them

Answer 38

Lvalues

Question 39

Placed on the left side of an equal sign

Answer 39

Lvalues

Question 40

Compound Assignment Operators Associativity

Answer 40

right associative

Question 41

Increment and Decrement Operators

Answer 41

++ (increment) -- (decrement)

Question 42

used to increase the value of the variable by one

Answer 42

Increment operators (i++, ++i)

Question 43

used to decrease the value of the variable by on

Answer 43

Decrement operators(i--, --i)

Question 43

used to decrease the value of the variable by on

Answer 43

Decrement operators(i--, --i)

Question 44

Value of expression is an incremented/decremented value

Answer 44

++i;

Question 45

Value of expression is the original value, before it was modified

Answer 45

i++

Question 46

All binary operators → taking 2 operands

Answer 46

Relational Operators

Question 47

If the relation is true, it returns

Answer 47

1

Question 48

If the relation is false, it returns

Answer 48

0

Question 49

Used to compare values, usually in making decisions

Answer 49

Relational Operators

Question 50

Relational Operators Precedence

Answer 50

Arithmetic operators have higher priority than relational operators

Question 51

Relational Operators Associativity

Answer 51

The relational operators are left associative

Question 52

Equality Operators (equal to)

Answer 52

==

Question 53

Equality Operators (not equal to)

Answer 53

!=

Question 54

Equality Operators Associativity

Answer 54

Left associative

Question 55

Equality Operators produce

Answer 55

True (1) or False (0)

Question 56

Equality Operators Precedence

Answer 56

lower precedence than relational operators

Question 57

Logical operators

Answer 57

&& || !

Question 58

used when more than one conditions are to be tested and based on that result, decisions have to be made

Answer 58

Logical Operators

Question 59

Logical AND

Answer 59

&&

Question 60

Logical OR

Answer 60

||

Question 61

Logical NOT

Answer 61

!

Question 62

Logical NOT

Answer 62

!

Question 63

Logical NOT

Answer 63

!

Question 64

Logical NOT

Answer 64

!