*2nd year computer important questions 2025*
*UNIT 1*
– Describe data manipulations- What is a field?- Define program file with example- Define program organization. Name different types of file organization.- Differentiate between data and information.- Define data processing.- Define redundancy.- Name two features of DBMS.
*UNIT 2*
– What are properties of relation?- Define indexes.- Define foreign key.- Define key. List different types of keys.- Define data administration.- Define table /relation- How a relation is formed in database?- What is an entity in an ERD.- Who is user or end user?- What is the purpose of using views? *UNIT 3*
– Define and attribute.- Define data modeling.- Define the purpose of feasibility study.- What is E-R diagram
*UNIT 4*
– Transitive dependency.- Define entity.- Define integrity.- Synonyms- Database integrity.- Partial dependency
*UNIT 5*
– RDBMS- Differentiae between form and report- Database wizard/sample database- How query is written- List some advantages of IDE- Uses of MS Access- Reports- Enlist the parts of application window in MS Access.
*UNIT 6*
– Primary key- What is the use of data sheet views in MS Access?- Cardinality of relation- Degree of relation- Write down two table vies available in Access.
*UNIT 7*
– Sub form- Uses of columnar forms- Purpose of control naming convention- Syntax of msg box- What are methods in vb?- Property window- Code window- Purpose of timer control- Differentiate between key press and key up events- Events of mouse- Events of keyboard
*UNIT 8*
– Define programming language- Case sensitive in C language- Preprocessor directive- Programmer- Differentiate between logical errors and syntax errors- Header files- Compiler and assembler- Differentiate between source code and object code- Deli meters- Run time errors- Structured programming language- Visual basicdifferentiate between visual programming and event driven programming language- What is net function- what is VBA?
*UNIT 9*
– Define identifier with and example- Differentiate between declaring and defining a variable- Variables and two rules for naming variables- Uses of assignment statement- Operator precedentDefine constant. List different types of constants- Character constant- Keywords- Concatenation operatorUnit 10Standard inputEscape sequenceGetche () functionUses of format specifier in C languageUse of scanf functionClrscr functionPredict the output…..Trace the error in following codeList some important function for inputUnit 11Control structure & selection structureFind outputExplain if statementFind error…..Write syntax of if-else statementWhy break statement is used in a switch () structureSwitch statementUnit 12While loopSentinel control loopWrite syntax of for loopWrite syntax of do while loopWhat is iteration?Unit 13Define function. List some benefits of using functionsLocal variables and its scopeCompare local variables and global variablesFunction cellActual parametersBuild in functionsLife time of local variablesFunction definition and function declaration/prototypingUnit 14Compare binary and text streamBinary systemText filesFile losedDescribe project file in VBProject explorer windowDifferentiate between method and property
