Ict

Question 1

four main concepts in the area of object oriented programming

Answer 1

abstraction
encapsulation
inheritance
polymorphism

Question 2

is a view of an entity that includes only those aspects that are relevant for a particular situation

Answer 2

abstraction

Question 3

what are the employee information that a programmer needs to have

Answer 3

full name
address
employee id
Salary
Incsalary

Question 4

is to contain or encapsulate the properties and methods of an abstraction, and expose only those portions that are absolutely necessary

Answer 4

encapsulation

Question 5

is a fundamental feature of an object oriented programming

Answer 5

Inheritance

Question 6

what are the different combinations in object oriented programming languages

Answer 6

single inheritance
multilevel inheritance
hierarchical inheritance
multipath inheritance
multiple inheritance

Question 7

what are the eight common controls that intrinsic validation

Answer 7

radio button
checkbox
checked list box
list box
date time picker
month calendar
masked textbox
text box

Question 8

is one of the crucial features of vb.net and one of the key concepts of object oriented programming

Answer 8

polymorphism

Question 9

is a method of software design and construction

Answer 9

object oriented programming

Question 10

is a combination of code and data that can be treated as a unit

Answer 10

object

Question 11

describes the variables, properties, procedures, and events of an object

Answer 11

class

Question 12

is something that an object does

Answer 12

method

Question 13

is a method of the combo box object that adds a new entry to a combo box

Answer 13

add

Question 14

are instances of classes

Answer 14

objects

Question 15

refers to ensuring the entered data is acceptable

Answer 15

validation

Question 15

is an action recognized by an object such as clicking the mouse or pressing a key

Answer 15

event

Question 16

is the process of checking the data entered by the user before that data is saved

Answer 16

input validation

Question 17

is a member of a class that acts as an intermediary to a member variable of the class

Answer 17

property

Question 17

what are the three rules in using a read only property

Answer 17

declaration context
combined modifiers
assigning a value

Question 18

this keyword is used to indicate that the properties value can be accessed but it cannot be changed

Answer 18

read only

Question 19

this feature is used most frequently to overload the constructor

Answer 19

overloading

Question 20

are a special kind of sub procedure

Answer 20

constructors

Question 21

restricts entry to on or off

Answer 21

radio button

Question 22

restricts entry to checked or unchecked

Answer 22

checkbox

Question 23

provides a list of valid entries

Answer 23

checked list box

Question 24

provides a list of valid entries (graphic and text)

Answer 24

list box

Question 25

restricts to entry to date or times

Answer 25

date time picker

Question 26

restricts entry to a range updates

Answer 26

month calendar

Question 27

restricts data input to format data output

Answer 27

masked textbox

Question 28

set properties to restrict or modify data entry

Answer 28

text box

Question 29

is the essential or native facility of vb that validates user input

Answer 29

intrinsic validation

Question 30

four properties of text boxes intrinsic validation

Answer 30

password char max length read only character casing

Question 31

heights or masks characters that can be entered into a text box

Answer 31

password char

Question 32

sets the maximum number of characters that can be entered into a text box

Answer 32

max length

Question 33

provides a predetermined valid answer

Answer 33

read only

Question 34

sets all characters in a text box to uppercase or lowercase

Answer 34

character casing

Question 35

is the process of validating the fields on a form all at once

Answer 35

form level validation

Question 36

what are the three form level validation

Answer 36

independent content validation required field validation conditional field validation

Question 37

is ideal for input value validation

Answer 37

validating event

Question 38

is the routine process of locating and removing computer program bugs, error or abnormalities, which is methodically handled by software programmers via debugging tools

Answer 38

debugging

Question 39

what are the types of errors

Answer 39

syntax errors runtime errors logic errors

Question 40

are the most common types of error and also known as compilation error

Answer 40

syntax errors

Question 41

appear only after compiling the code

Answer 41

runtime errors

Question 42

appear once the application is in use

Answer 42

logic errors

Question 43

works with all visual studio programming languages and their associated libraries

Answer 43

debugger

Question 44

is one of the most used tools in vb.net

Answer 44

immediate window

Question 45

what are the two ways of handling exemptions

Answer 45

structured exception handling unstructured exception handling

Question 46

this statement provides a way to handle some or all possible errors that may occur in a given block of code while the program is still running

Answer 46

try catch finally

Question 47

refers to the way users interact with the website or an application

Answer 47

user interface

Question 48

works by allowing the developer to issue commands as one or more lines of text to a program

Answer 48

character user interface

Question 49

interacts with the users through various components called controls

Answer 49

graphical user interface

Question 50

is located at the menu bar and contains a list of related commands

Answer 50

menu

Question 51

elements of menu

Answer 51

menu heading menu items sub menu

Question 52

is the container for menu structure of the forms

Answer 52

menu heading

Question 53

represent the individual parts of the menu

Answer 53

menu items

Question 54

contains the subdivision of the menu item

Answer 54

submenu

Question 55

control represents the container for the menu structure

Answer 55

menu strip

Question 56

is a horizontal bar, typically at the bottom of the screen or window, showing information about a document being edited or a program running

Answer 56

status bar

Question 57

control provides an area where the application can display brief status information, usually at the bottom of the form

Answer 57

status strip

Question 58

has become a standard feature in many windows based applications

Answer 58

toolbar

Question 59

discontrol this place a series of buttons, dropdowns and other tools

Answer 59

tool strip

Question 60

what are the most commonly used controls in vb.net

Answer 60

list box checkbox combo box date time picker

Question 61

this control this place a list of choices wherein users can select

Answer 61

list box

Question 62

this control let's let's the users choose one of several choices

Answer 62

combo box

Question 63

this control allows the users to make multiple selections from a number of options like true or false and yes or no

Answer 63

checkbox

Question 64

this control allows the user to display and collect date and time from the user with the specified format

Answer 64

date time picker

Question 65

is a control that consists of other controls

Answer 65

container