NTA-NET (Based on NTA-UGC) Computer Science (Paper-II): Questions 39 - 42 of 2012

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Question number: 39

» Relational Database Design and SQL » Normalization-INF, 2NF, 3NF, BCNF and 4NF

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Appeared in Year: 2015

Match List-Ⅰ List-Ⅱ▾

Question

Match the following database terms to their functions: (December)

List-Ⅰ List-Ⅱ

(A)

External Schema

(i)

Define view (s) of the database for particular user (s)

(B)

Referential Integrity

(ii)

Enforces match of primary key to foreign key

(C)

Normalization

(iii)

Reduces data redundancy in a database

(D)

Data Dictionary

(iv)

Contains metadata describing database structure.

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (iii)
  • (i)
  • (ii)
  • (iv)

b.

  • (iv)
  • (i)
  • (ii)
  • (iii)

c.

  • (ii)
  • (iii)
  • (i)
  • (iv)

d.

  • (i)
  • (ii)
  • (iii)
  • (iv)

Question number: 40

» Computer Structure and Organisation » Harddisk Structure

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Appeared in Year: 2015

MCQ▾

Question

Consider a disk with 16384 bytes per track having a rotation time of 16 msec and average seek time of 40 msec. What is the time in msec to read a block of 1024 bytes from this disk? (December)

Choices

Choice (4) Response

a.

48 msec

b.

57 msec

c.

17 msec

d.

49 msec

Question number: 41

» Software Engineering » Software Development Models

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Appeared in Year: 2015

MCQ▾

Question

Which of the following is not a software process model? (December)

Choices

Choice (4) Response

a.

Iterative

b.

Timeboxing

c.

Prototyping

d.

Glassboxing

Question number: 42

» Discrete Mathematics » Prepositional Logic

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Appeared in Year: 2015

MCQ▾

Question

Consider the compound propositions given below as:

Which of the above propositions are tautologies? (December)

Choices

Choice (4) Response

a.

(1) and (3)

b.

(2) and (3)

c.

(1) and (2)

d.

(1), (2) and (3)

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