Class 7: Operators, Precedence, Associativity

Question 1

L-value

Answer 1

The operant that can be found on the left side of the assignment operator

Question 2

R-value

Answer 2

The expression that can be found on the right side of the assignment operator. R values can be constants, expression, bre a return value from a function etc

Question 3

When using any C operator, the data type on the left side of the operators and the data type on the right side of the operator must be __________. Casting can be used if the data types do not match

Answer 3

Identical

Question 5

If we do not cast the compiler will do if for us implicitly. However it is not what we often want and could cause bugs

Answer 5

TRUE

Question 6

Precedence

Answer 6

The relationship between two operators in terms of the order in which the operations are performed

Question 7

Mathematical symbols available

Answer 7

+, -, *, /, %

Question 8

A = 4, c = 4, b = 3
Z = (a++ > c) || (++b <= a)

Answer 8

(4 > 4) || (4 < = 5)
Z = 1