SOME MORE VIVA-VOCE QUESTIONS

DO GO THROUGH THE "LET US REVISE COLUMN" AFTER EACH CHAPTER in Sumita Arora)
-
- Difference between data type ( primitive & non- primitive) and data type modifiers
- typedef , enumeration, datatypes
- generating random numbers ( pg 39, sumita arora)
-unformatted console I/O functions ( pg 38)
- unformatted stream I/O functions ( pg 42)
- usefulness of inline functions and scope resolution operator
- situation when constructor and copy constructor are called( pg 217, 218)
- special characteristics of constructors and destructors( pg 229,232)
-understanding of fig 7.2 (pg 319)
-file pointers and random acess (pg 340-341)
- memory leaks ( pg 390), this pointer, pointers and arrays,significance array as pointers
- static vs. dynamic allocation
- stack vs. queues
- comparative analysis of selection/ bubble/ insertion sort
- applications of stacks and queues
- understanding og increament and decreament post/pre fix operators. try these


1. void main() { int a=9;
a += a++ + ++a; }


2. void main() { int p=5,q;
q= p++ + ++p + ++p +p; }

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BOARD EXAMINATION 2010

DEAR STUDENTS,


The board practical exam will be held on 9th Feburary 2010. Do not forget to bring following documents with you -

1. The Practical File
2. The Project Report

Prepare thoroughly for the exam.

NOTE - BATCHES AND TIMINGS WILL BE SOON POSTED ON THE BLOG .

LIST OF BOARD PRACTICALS

XII PRACT-CPP

ASSIGNMENTS FOR HOLIDAYS

TO DOWNLOAD ASSIGNMENTS ON ARRAYS, CLASSES AND OBJECTS AND DATA FILE HANDLING , CLICK ON THE RESPECTIVE LINK.

DATA FILE HANDLING

CLASSES AND OBJECT

ARRAYS

Assignmnet on Boolean Algebra

Q.1 Which gates implement logical addition, multiplication and complementation.
Q.2 Which of the following Boolean equations is/are incorrect ? Write the correct forms of the incorrect ones after showing why are they incorrect–
i) A + A’ = 1 ii) AA’=1 iii) A(A + B)’= A
iv) (AB)’ = A’B’ v) A+A’B = A+B vi) (A+B)’= A’+ B
Q.3 When does a XOR gate produce high output? When does a XNOR gate produce high output?
Q.4 What would be the complement of the following –
i) A’(BC’+B’C) ii) xy + yz’ + z’z
Q.5 Prove (giving reasons) that ((x+y)’+(x+y)’)’ = x + y
Q.6 Write the Boolean expression for a logic network that will have a 1 output when X=1,Y=0,Z=0; X=1,Y=0,Z=1; X=1,Y=1,Z=0; and X=1,Y=1,Z=1
Q.7 Draw the logic circuit for a’b’cd + abc’d + ab’cd using only NAND gates.
Q.8 Draw the logic circuit for (a’+b’+c+d)(a+b+c’+d)(a+b”+c+d) using only NOR gates.
Q.9 Draw logic circuits for the following –
a) F(A,B,C,D) = Minterms of (1,3,5,8,10,12) , Minterms of (0,1,2,4,5,6,8,10)
b) F(W,X,Y) = maxterm of (0,2,4,6,7)
Q.10 Seven inverters are cascaded one after another. What is the output if the input is 1 ?
Q.11. Write the equivalent boolean expression for the cicuit.

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just relax and enjoy this presentation http://mrsdell.org/quotes.pps

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VIVA-VOCE QUESTIONS FOR INFORMATICS PRACTICES

BOARD PRACTICAL EXAM OF I.P. FOR CLASS XII E WILL BE HELD ON 10TH-FEB-2009. STUDENTS ARE REQUIRED TO REPORT AT SCHOOL AT 7.55 AM

STUDENTS WILL BRING THEIR PRACTICAL FILES AND PROJECT REPORT.

VIVA –VOCE QUESTIONS FOR INFORMATICS PRACTICES

UNIT – I VISUAL BASIC PROGRAMMING
IMPORTANT TERMINOLOGIES
Modular or procedural Programming- It lays stress on procedure and not on data. All the bigger programs are broken into small complete sub-parts known as modules.
Object –oriented programming language – It lays stress upon objects. An object is a real world entity with some characteristics (i.e. data) and related behavior (i.e. functions)
Event driven programming – This style is driven by the occurrence of user-events. Here the program responds to the user events.
Intrinsic controls – The controls that are always included in toolbox and are integral part of standard EXE project are known as intrinsic controls.
Container controls – The control that can hold other controls within it. Eg- a frame, a picture box. Controls inside a container are called child controls.
Properties- An object or a control has some characteristics such as its name, color, appearance, caption etc., known as its properties.
Method- They are the code blocks which tell the control how to do things . It causes an object to do something.
Event – The activities that happen when an object does something is known as an event.
Procedure – The code in a VB application is divided into small blocks called procedures.
Event procedures- these are the codes related to objects. They are executed when a certain event occurs.
General procedures – These codes are not related by the objects. They are invoked by the application.
Modules- are collection of general procedures, variable declarations and constant definition used by an application.
Data types- The data types are the means to identify the type of data and associated operations with it.
Variable- A named storage location whose contents can be varied is called a variable.
Scope – The scope of variables refers to the accessibility of the variables within the project.
Private scope- A variable that can be used only in a single procedure , in which it is declared is said to have private scope.
Public scope- The variables which are available to all the modules and procedures in an application are said to have public scope.
Module scope- A variable which is available inside a module, i.e. to all the procedures in that module, is said to have module scope.
Lifetime-is the time for which a variable lives in the memory.
Static variables – They are not reinitialized each time VB invokes the procedure.
Constant – is one whose value remains unchanged throughout the program.
Focus- the ability to receive use input through the mouse or keyboard is called Focus.
Got Focus- occurs when an object receives focus.
Lost Focus – occurs when an object loses Focus.
Control array – A control array is a group of controls that share the same name and type.
Record – is a named collection of data items used to represent a complete unit of information.
File or table- A named collection of similar data type of records is known as a file or table.
Database – is a collection of related tables and other objects.
Record set – A set of records that are retrieved from an object as determined by Recordsource property.
Bound control – is a control that can provide access to a specific columns in a data source through a data control.
Dialog Box- A window used to display and/ or accept information from the user is called a dialog box.
ACRONYMS-
IDE – Integrated development Environment
BOF- Beginning of File
EOF- End of File
OLE- Object Linking and Embedding
ActiveX DLL- ActiveX Dynamic Link Library
ActiveX EXE – ActiveX Executable component.

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