IT for Business and Management MCQs and Notes

A

Admin • 36.93K Points
Coach

Q 1. Internet works on

(A) packet switching

(B) circuit switching

(C) both (a) and (b)

(D) none of the above.

S

Shiva Ram • 30.44K Points
Instructor I

Q 2. Internet access by transmitting digital data over the wires of a local telephone network is provided by

(A) leased line

(B) digital subscriber line

(C) digital signal line

(D) none of the above

P

Praveen Singh • 36.71K Points
Coach

Q 3. To join the internet, the computer has to be connected to a

(A) internet architecture board

(B) internet society

(C) internet service provider

(D) none of the mentioned

V

Vinay • 28.75K Points
Instructor II

Q 4. DBMS helps achieve

(A) data independence

(B) centralized control of data

(C) neither a nor b

(D) both a and b

V

Vikash Gupta • 33.56K Points
Instructor I

Q 5. Grant and revoke are ....... statements.

(A) ddl

(B) tcl

(C) dcl

(D) dml

V

Vikash Gupta • 33.56K Points
Instructor I

Q 6. Key to represent relationship between tables is called

(A) primary key

(B) secondary key

(C) foreign key

(D) none of the above

V

Vikash Gupta • 33.56K Points
Instructor I

Q 7. A ......... is used to define overall design of the database

(A) schema

(B) application program

(C) data definition language

(D) code

P

Priyanka Tomar • 35.28K Points
Coach

Q 8. Data independence means

(A) data is defined separately and not included in programs.

(B) programs are not dependent on the physical attributes of data

(C) programs are not dependent on the logical attributes of data

(D) both b and c

P

Priyanka Tomar • 35.28K Points
Coach

Q 9. The collection of information stored in a database at a particular moment is called as ......

(A) schema

(B) instance of the database

(C) data domain

(D) independence

P

Priyanka Tomar • 35.28K Points
Coach

Q 10. An advantage of the database management approach is

(A) data is dependent on programs

(B) data redundancy increases

(C) data is integrated and can be accessed by multiple programs

(D) none of the above