Solve questions

1.In relational database row and column is called as ____and ____respectively.

(A)Tuple; Attribute
(B)Attribute; Tuple
(C)Tupple;Domain
(D)Attribute; Domain
(E)None of these

Answer :- (A)Tuple; Attribute

---

2.Arrange the following in increasing order of their size.

 (A) Database<File<Record<Field<Byte<Bit
 (B) Bit<Byte<Field<Record<File<Database
 (C) Bit>Byte>Record>Field>File>Database
 (D) Bit>Byte>File>Record>Field>Database


Answer :-   (B) Bit<Byte<Field<Record<File<Database

---

3. Round robin scheduling is essentially the preemptive version of

(A) FIFO
(B)Shortest job first
(C) Shortest remaining
(D)Longest time first
(E) None of these

Answer :- (A) FIFO

---

4. Which of the following identifies specific web page and its computer on the web page?

(A) Web site
(B) URL
(C) Web site address
(D) Domain Name
(E) None of these

Answer :- (B) URL

---

5.Communication handler is basically an ____ 16 bit micro controller?

(A) 8085
(B) 8086
(C) 8086A
(D) 80C186
(E) None of these

Answer :- (D) 80C186

---

6.GSM stands for ____

(A) General System for Mobile Communication
(B)Global System for Mobile Communication
(C) Guided System for Mobile Communication
(D) Growing System for Mobile Communication
(E) None of these

Answer :- (B) Global System for Mobile Communication

---

7.EDI refers to ----

(A) Electronic Data Interface
(B) Electric Device Interface
(C) Electronic Data Interchange
(D)Electronic Design Interface

Answer :- (C) Electronic Data Interchange

---

8.PAN refers to_____

(A) Peer Area Network
(B) Personnel Area Network
(C) Personal Area Network
(D) Payment Application Network

Answer :- (C) Personal Area Network

---

9.E-Commerce refers to ___

(A)Electrical Commerce
(B) Electronic Commerce
(C)Evolutionary Commerce
(D) Effective Commerce

Answer :- (B) Electronic Commerce

---

10.Which of the following is a type of E-commerce?

(A) B2B  (Business to Business)
(B) B2C  (Business to Consumer)
(C) C2C  (Consumer to Consumer)
(D) All the above

Answer :- (D) All the above

---

Click here to read more ........

---

Solve question on C++

1) Object is ___
(A) A concept
(B) Abstraction
(C) Thing
(D) All of these

Answer :- (D) All of these

2) Each object is said to be ____ of its class.
(A) Attribute
(B) Instance
(C) Classification
(D) Operations

Answer :- Instance

3) Person is ____
(A) Object
(B) Class
(C) Attribute
(D) Structure

Answer :-  (B) Class

4) A class that serves only a base class from which classes are derived?
(A) Base class
(B) Class
(C) Abstract class
(D) Intermediate class

Answer :- (C) Abstract class

5) In C++ a function contained within a class is called a___
(A) In built function
(B) User defined function
(C) Member function
(D) None of these

Answer :- (C) Member function

6) In C++ , setw is ____
(A) Initialization operator
(B) Conditional operator
(C) Memory allocation operator
(D) Field width operator

Answer :- (C) Member function

7) Which of the following C++  statement is correct?
(A) int *p = new int
(B) int new = *p
(C) int *new = *p
(D) int *p = int new

Answer :- (A)  int *p = new int

8) In C++ by default ,the members of a class are ___
(A) Public
(B)  Private
(C) Both public and private
(D) None of these

Answer :- (B) Private

9) Which of the following operators can be overloaded in C++?
(A) Scope resolution operator
(B) Size of operator
(C) Conditional operator
(D) Arithmetic operator

Answer :- (D) Arithmetic operator

10) Which of the following is different from the group ?
(A) Private
(B) Protected
(C) Public
(D) Friend

Answer :- (D) Friend

11) Which of the following is a type of inheritance ?
(A) Multiple
(B) Multi level
(C) Hierarchical
(D) All of these

Answer : - (D) All of these

12) C++ was developed by ___
(A) Dennis Ritchie
(B) Bjarne Stroustrup
(C) Tannenbaum
(D) Milan Melkovinec

Answer :-  (B) Bjarne Stroustrup

13) A ____  variable provides an alias for a previously defined variable
(A) Global
(B) Local
(C) Refrence
(D) Dynamic

Answer :- (C) Refrence

14) Which statement is true in context of virtual functions?
(A) The virtual functions must be members of some class
(B) Virtual functions cannot be static members
(C) A virtual function can be friend of another class
(D) All of the above

Answer :- (D) All of the above

15) In C++ we can use same function name to create functions that perform a variety of different tasks.This is known as ____.
(A) Global function
(B) Function overloadiing
(C) Inheritance
(D) All of the above

Answer :- (B) Function overloading

16) A template can be used to create a family of ___
(A) Classes
(B) Funtions
(C) Class and function
(D) None of these

Answer :- (C) Class and function

17) Encapsulation is known as ___
(A) Information hiding
(B) Data abstraction
(C) Data about data
(D) None of these

Answer :- (A) Information hiding


18) The objects are __ if all their attribute values are identical.
(A) Identical
(B) Distinct
(C) Same
(D) None

Answer :- (B) Distinct

19) A type of inheritance that permits a class to have more than one super class and to inherit features from all ancestors ___
(A) Inheritance
(B) Multiple inheritance
(C) Subclasses
(D) Super classes

Answer :- (B) Multiple inheritance

20) Actions are performed in an object oriented systems by sending ______ to an object.
(A) Statements
(B) Messages
(C) Control
(D) None of these

Answer  :- (B) Messages

Click here to read more....