New Exam Revision

Question 0

A parameter is:

Answer 0

A placeholder for data passed to a sub-routine or function.

Question 1

Machine code is:

Answer 1

The output of the compiler.

Question 2

The scope of a private sub is:

Answer 2

The sub routine can only be used by this form (or class)

Question 3

A group of objects or variables all having the same name are:

Answer 3

An array.

Question 4

The symbol “=” means.

Answer 4

Is identical to or takes value of.

Question 5

On a form of entering students grades which control type should be used to get the students name.

Answer 5

Text box.

Question 6

On a form for entering personal preferences, which control type type should be used to indicate favourite foods.

Answer 6

Check box

Question 7

Which control type should be used to select the gender of an individual.

Answer 7

List box

Question 8

The properties of a control do bit determine the controls movements:

Answer 8

Movement

Question 9

When writing the command public sub means that

Answer 9

This subroutine is available to forms and classes Ina program.

Question 10

What is the difference between the Text and Name properties of a control?

Answer 10

Text is what you write in the box that will show up when the program runs. Name is the name of the control that shows up in the code

Question 11

What would you name a textbox that was used to enter a person’s name?

Answer 11

txt.Name

Question 12

What is special about declaring a variable with Static?

Answer 12

Eg. Static iCounter as Integer = 0

It retains the variable in the code for subsequent calls to the sub-routine or function.

Question 13

What does the scope of a variable refer to?

Answer 13

It reefers to where the variable can be used or seen by the program.

Question 14

How would you declare a variable such as PI in a program and how does this differ from other variables?

Answer 14

Declare as a constant and can only be changed in the declaration statement.

Question 15

Explain what a function is.

Answer 15

A piece of code in a program that when called performs an operation and returns a value to the calling code.

Question 16

7. What sort of loop would you use to execute a section of code a set number of times?

Answer 16

For i as Integer = 1 to 10

Next

Question 17

What sort of loop would you use to execute a section of code at least once?

Answer 17

Do until

Question 18

9. What sort of loop would you use to execute a section of code zero or more times?

Answer 18

While tank is not fuel add one litre

End while

Question 19

Write the code to declare an integer variable with an initial value of 15 and describe what each word or value in the declaration means.

Answer 19

Dim iNumber as Integer = 15

Dim: keyword for declaration

iNumber: a meaningful name with datatype prefix

Question 20

Local variable

Answer 20

When declared in a program this variable can only be seen and used within the sub routine or function where it is declared

Question 21

Form level

Answer 21

When declared in a program this variable can be seen by all sub routines and functions in the program.

Question 22

Source code

Answer 22

The code written by the programmer using a programming language.