Professional Knowledge Bits on Data Structure

Data Structure Bits

Which of the following is the physical data structure?
(a) Array    (b) Linked List    (c) Stack    (d) Table
Ans:- c

When a language has the capability to produce new data type, it is called
1-reprehensible    2-encapsulated    3-extensible     4-all of these
Ans:- 2

The memory address of the first element of an array is called
A. floor address   B. foundation address
C. first address    D. base address
Ans:- D

The term "push" and "pop" is related to the
A. array    B. lists    C. stacks
Ans:- C

To delete a particular column in a relation the command used is:
(A) UPDATE   (B) DROP   (C) ALTER   (D) DELETE
Ans:- D

To locate a data item for storage is
A. Field     B. Feed     C. Database     D. Fetch
Ans:- D

Storage that retains its data after the power is tuned off is referred to as–
(A) volatile storage      (B) non-volatile storage
(C) sequential storage  (D) direct storage
Ans:- B

When u drop a ........., corresponding indexes are also dropped.
1) Column    2) Sequence    3) View    4) Table
Ans:- 2

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