Which one of the following types of statements is an instruction to replace the existing value of a variable with another value?

a) Update

b) Declaration

c) Assignment

d) Initialization

The answer is "Option c"

Explanation:

The assignment is the statement used to determine the value of the programming variable. It is also regarded as the same sign indicating the function (=) in the operator. This operand works by allocating the operand's value to the right-hand side, and other choices are not correct that can be described as follows:

In option a, It is a keyword that is used to update table details. In option b, It is part of programming, which is used to the declared variable. In option d, It is used to assign value in variable.