12: Variable Attributes

Question 1

Identifiers for variables.

Answer 1

Name

Question 2

The memory location associated with the variable at current time.

Answer 2

Address

Question 3

Does a global scope of variable has the same address with local scope variable of the same name?

Answer 3

No

Question 4

When recursion is employed, can the same local variable have multiple addresses during execution?

Answer 4

Yes

Question 5

This happens when two or more identifiers refer to the same address.

Answer 5

Aliases

Question 6

If either name/alias writes to that address, can the others “sees” the change?

Answer 6

Yes

Question 7

This attribute the set of values, operations that are legal, and sometimes the representation size/format of a variable.

Answer 7

Type

Question 8

This is simply the bits stored in memory cells.

Answer 8

Value

Question 9

This refers to the location you need to write.

Answer 9

L-Value

Question 10

This refers to the data contents you read.

Answer 10

R-Value

Question 11

This is the time during which the variable is bound to a specific memory location.

Answer 11

Lifetime

Question 12

The region of a program’s source code where a particular variable (or name) is visible and can be accessed.

Answer 12

Scope

Question 13

Association between an attribute and entity

Answer 13

Bindings

Question 14

When an association is fixed.

Answer 14

Binding time

Question 15

Binding that occurs before run time and remain unchanged throughout the program execution.

Answer 15

Static Binding

Question 16

Binding that occurs during run time and can change in the course of the program execution.

Answer 16

Dynamic Binding