HSST CS QP 144/2013 - Part 2

Question11:-DML is used for
A:-Addition of new structures in the database system
B:-Manipulation and processing of database
C:-Definition of physical structure of database system
D:-Description of logical structure of database

Correct Answer:- Option-B

Question12:-Suppose that N = {1, 2, 3, ...} be ordered by divisibility, which one of the following subset is totally ordered?
A:-(2, 6, 24)
B:-(4, 15, 30)
C:-(3,5,15)
D:-(2,9,16)

Correct Answer:- Option-A

Question13:-Which among the following searching technique takes O(1) time to locate a data ?
A:-Binary Search
B:-Tree Search
C:-Hashing
D:-Linear Search

Correct Answer:- Option-C

Question14:-The cause for poor response time is
A:-High I/O rates
B:-High paging rates
C:-Process busy
D:-Any of the above

Correct Answer:- Option-D

Question15:-Which among the following statements is false ?
A:-The data dictionary contains the name and description of each data element
B:-Data elements in the database can be modified by changing the data dictionary
C:-The data dictionary is a tool used exclusively by the database administrator
D:-Database administrator normally maintains the data dictionary

Correct Answer:- Option-B

Question16:-The infix expression for the postfix expression x 12 + z 17 y + 42 * / + is :-
A:-x + 12 + z / 17 + y * 42
B:-x + 12 + z / (17 + y)*42
C:-(x + 12 + z)/(17 + y * 42)
D:-x + 12 + z / ((17 + y) * 42)

Correct Answer:- Option-D

Question17:-The basic types of programmable arrays are made of ________________
A:-AND gates
B:-AND gates and OR gates
C:-OR gates
D:-NAND and NOR gates

Correct Answer:- Option-B

Question18:-A COCOMO model is
A:-Complete Cost Estimation Model
B:-Constructive Cost Estimation Model
C:-Common Cost Estimation Model
D:-Comprehensive Cost Estimation Model

Correct Answer:- Option-B

Question19:-The interval between the time of submission and completion of a job is called as ___________
A:-Turnaround time
B:-Waiting time
C:-Response time
D:-Throughput

Correct Answer:- Option-A

Question20:-An assembler is
A:-data dependent
B:-programming language dependent
C:-machine dependent
D:-syntax dependent

Correct Answer:- Option-C