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2005 M C A Front End Design Tools Question paper

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2005 M C A Front End Design Tools Question paper
END-TERM EXAMINATION
Third Semester [MCA] - DECEMBER 2005

Paper Code: MCA 207 Subject: Front-End Design Tools
Time: 3 Hours (Batch 2004) Maximum Marks: 60

Note: Attempt any five questions. All Question carry equal marks.

Q. 1. Fill in the blanks :-
(a) An executables that can expose COM components is called
……………………..

(b) The size of data type single and double is …………………….. and
………………… bytes respectively.

(c) ………………., ……………… and ……………. container objects.

(d) ………………., ………………, ……………. are the typ e of combo
box.
(e) OLE used for ……………………
(f) …………………… is the control used to call a window application.
(g) ………………………. property is used to count no. of items in a
combo box.
(h) ……………….. is a property to resize a label control according to
your caption.
(i) Timer control contains ………………….. no. of events.
(j) ……………………. is the difference between List Index and Tab
Ind ex.
(k) ……………. collection in recordset used to assign a value from text
box to table column without making a binding in data control.
(l) ……………. property used to add a menus at runtime.

Q. 2. Explain :-
(a) What is DSN?
(b) What is DAO?
(c) Difference between Dyn aset and Snapshot?
(d) Difference between Reco rdset and Querydef?
(e) Difference between recor dset and Resultsets?
(f) What is OLE? Explain
(g) What is DDE?
(h) Explain Get, Let, Set Properties.
(i) What are the uses of List view control?
(j) What is the use of progress bar control?
(k) What is the difference between ADO and other data access objects?
(l) What is OLEDB?


Q. 3. (a) Write a program to calculate area and p erimeter:-
Operation
• The user enters values for the length and width of a rectangle and
clicks on the calculate button or presses the Enter key to activate
the calculate button.
• The application then displays the area and perimeter of the
rectangle in two labels.

Specification
• The formula fo r calculating the area : width * length.
• The formula fo r calculating the perimeter : 2* width + 2*length.
• The application should accept fractional decimal values like 10.5
and 20.65 for the user entries.
Assume that the user will enter valid numeric data for the length and width.

Calculate Area & Perimeter x




Length:



Width:


Area :


Perimeter:




Exit


Calculate

(b) Write a program to convert Fahrenheit temperature to Celsius:-
Operation

• The user enters a number into the Fahrenheit text box and clicks
the calculate button or presses the enter key to activate that button.
• The application calculates the Celsius equivalent and displays it in
a label on the form.
Specification

• The formula fo r converting temperature from Fah renheit to Celsius
is (F-32) * 5/9.

Assume that the user will enter valid numeric data for the length and
width.
Calculate Celsius X




Fahrenheit:



Celsius:




Exit


Calculate





Q. 4. Write short notes on any four of the following :-
(a) Form Lifetime
(b) API
(c) Multithreading in VB
(d) Class module
(e) DCOM

Q. 5. (a) Explain any three common dialog boxes along with its properties.
(b) Write different error handling techniques in VB in details.

Q. 6. (a) Explain DS in general and different types of DSN in particular.
(b) How many types of record sets are available in VB. Explain each? Write
advantages and disadvantages of each type of record sets.

Q. 7. Differentiate between the following using examples:-
(a) MDI and SDI application
(b) Subroutines and Functions
(c) DAO vs. RDO.


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2005 M C A Front End Design Tools Question paper for exam preparation. Question paper for 2005 M C A Front End Design Tools Question paper, 2005 M C A Front End Design Tools Question paper