Lecturer Computer Science Test 7 Online Preparation MCQs |

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Note:-

There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
Practice this test at least 5 times if you want to secure High Marks.
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Test Instructions:-
Test Name	Lecturer Computer Science
Subject	Computer Science Test 7
Test Type	MCQs
Total Questions	25
Total Time	20 Minutes
Total Marks	100

You have 20 minutes to pass to the quiz.

Lecturer Computer Science Practice Test 7

1 / 25

A full binary tree with n leaves contains …………………..

2n+1 nodes

log2n nodes

2n-1 nodes

n nodes

2 / 25

The memory sizes in mainframe computers and advanced technology microcomputer are expressed as:

Bytes

Megabytes

Kilo-bytes

Bits

3 / 25

What category of web-based system would you assign to discussion groups:

Workflow-oriented

Collaborative work

Online communities

Web portals

4 / 25

What category of web-based system would you assign to electronic shopping?

Interactive

Transaction-oriented

Information

Workflow-oriented

5 / 25

A prefix for billion which is equal to …. is called as billi:

1000

10000

100

6 / 25

The register which holds the address of the location to or from which data are to be transferred is called………………

Memory address register

Memory data register

Instruction register

Index registers

7 / 25

Which of the following is not a NosQL database?

None of these

SQL Server

MongoDB

Cassandra

8 / 25

Which of the following is not an advantage of magnetic disk storage:

Disk storage is longer lasting than magnetic tape

All of the above

Disk storage is less expensive than tape storage

None of the above

The access time of magnetic disk is much less than that of magnetic tape

9 / 25

The invention of the slide rule is attributed to:

Babbage

Napier

Oughtred

Pascal

10 / 25

Which process model should be used in virtually all situations of web engineering?

Incremental Model

None of these

Waterfall

Spiral Model

11 / 25

Which analysis is a part of Analysis model of the web engineering process framework?

Functional Analysis

Interaction Analysis

All of these

Content Analysis

12 / 25

Which of the following term is used for a function defined inside a class?

Classic function

Member function

Member Variable

Class function

13 / 25

The data structure required to evaluate a postfix expression is……………..

Queue

Stack

Linked – list

Array

14 / 25

Each model of a computer has a unique:

Assembly language

Machine language

High level language

All of the above

15 / 25

Which of the following is NoSQL Database type?

Document databases

SQL

JSON

All of these

16 / 25

W3C stands for:

World Wide Web Collaboration

World Wide Web Community

None of these

World Wide Web Consortium

17 / 25

Which of the following is a risk associated with using hypertext in web applications?

Cognitive overload for users

Loss of sense of locality and direction

None of these

Both A and B

18 / 25

Representation of data structure in memory is called?

File structure

Recursive

Abstract data

Storage structure

19 / 25

The worst binary case of quick sort has order ………….

None of A.B.C

O (n)

O (nlpgn)

O (n2)

20 / 25

Look at this series: J14, L16,…….., P20, R22………..What number should fill the blank?

T24

M18

N18

S24

21 / 25

A………………tree is a tree where for each parent node; there is only associated child node.

degenerate tree

Rooted complete binary tree

Complete binary tree

Balanced binary tree

22 / 25

The memory address of the first element of an array is called…………..

Floor address

base address

first address

Foundation address

23 / 25

Which of the following statements are incorrect with reference to web-based system?

Are subject to assorted legal, social and ethical scrutiny

Should be un-scalable

Must be to cope uncertain, random heavy demand on services

Must be secure

24 / 25

Look at this series: V, VIII, XI, XIV, …………….XX…………What number should fill the blank?

XXIII

XVII

25 / 25

Which of the following focuses on discovery of (previously) unknown properties on data?

Big Data

Data wrangling

Data mining

Machine Learning

Your score is

The average score is 0%

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