Explore topic-wise MCQs in Data Mining.

This section includes 1439 Mcqs, each offering curated multiple-choice questions to sharpen your Data Mining knowledge and support exam preparation. Choose a topic below to get started.

201.

General program that is used to help users and work as an interface between computer and users is called

A. hardware
B. software
C. programs
D. computer peripherals
Answer» C. programs
202.

CBT software commonly used in

A. education
B. forecasting
C. manufacturing
D. farming
Answer» B. forecasting
203.

Control unit of computer is

A. general-purpose
B. special-purpose
C. multi-purpose
D. one-purpose
Answer» B. special-purpose
204.

Which operation is not performed by computer

A. Controlling
B. Understanding
C. Inputting
D. Processing
Answer» C. Inputting
205.

Previous master file from which 'son file is extracted is classified as

A. grandfather file
B. grandson file
C. father file
D. son file
Answer» D. son file
206.

C language was developed in

A. 1970
B. 1972
C. 1974
D. 1976
Answer» C. 1974
207.

Standardization of Microsoft programs and the Windows operating system has made the spread of viruses:

A. More complicated
B. More difficult
C. Easier
D. Slower
Answer» D. Slower
208.

C language was standardized by ANSI as

A. C89
B. C92
C. C94
D. C98
Answer» B. C92
209.

System software is an interface between ____________

A. Hardware and Application Software
B. Application software and User
C. RAM and ROM
D. CPU and UPS
Answer» B. Application software and User
210.

Computer based weather forecasting depends on accurate collection of data recorded by

A. television
B. weather station
C. radar
D. antenna
Answer» C. radar
211.

File code which engineers add to file name and limit access to few users is called

A. limited code
B. access code
C. code protection
D. physical code
Answer» C. code protection
212.

The Boolean operator which combines search terms so that each search result contains at least one of the terms, is

A. and operator
B. not operator
C. or operator
D. nor operator
Answer» D. nor operator
213.

All devices and programs work together to perform any particular task are best said to be

A. information system
B. information processing system
C. operating system
D. component classification system
Answer» C. operating system
214.

Most efficient paths between source and destination nodes of a message can be calculated by

A. Data sequencing
B. Data indexing
C. Data routing
D. Data dandling
Answer» D. Data dandling
215.

The ____________ protect systems from hackers

A. Antivirus
B. Backup
C. Hard disk
D. Firewall
Answer» E.
216.

In a binary system, numbers with power of 2 are

A. 1, 2, 4, 8, 16, 32
B. 1, 2, 3, 4, 5, 6
C. 1, 2, 16, 32, 64, 81
D. 1, 3, 5, 7, 9, 11
Answer» B. 1, 2, 3, 4, 5, 6
217.

Education system in which student doesn't need to attend the institute is called

A. distance learning
B. online education
C. virtual class room
D. all of these
Answer» E.
218.

When you quickly press and release the left mouse button twice, you are :

A. Primary-clicking
B. Pointing
C. Double-clicking
D. Secondary-clicking
Answer» D. Secondary-clicking
219.

The vast network of computers that connects millions of people all over the world is called.

A. LAN
B. Web
C. Hypertext
D. Internet
Answer» E.
220.

The amount of data that a disk may contains known as the disk's?

A. Volume
B. Size
C. Tracking Unit
D. Storage capacity
Answer» E.
221.

Different characters that can be encoded is 2n, where n is representation of

A. number of bits for each character
B. number of bytes for each character
C. number of mega bytes
D. number of gigabytes
Answer» B. number of bytes for each character
222.

Number with power 2 such as 32, 16, 4, 2, 1 are represented in form of binary integers as

A. 110111
B. 1.11E+14
C. e111101
D. 21110001
Answer» B. 1.11E+14
223.

A logic bomb that was created to erupt on Michelangelo's birthday is an example of a:

A. Time-related bomb sequence
B. Virus
C. Time bomb
D. Trojan horse
Answer» D. Trojan horse
224.

Errors may occur due to imprecise thinking by

A. Computer
B. Users
C. Programmers
D. Processors
Answer» D. Processors
225.

In data sorting, searching, selecting and placing smallest set is classified as

A. insertion
B. selection
C. exchange
D. change
Answer» C. exchange
226.

Early analog computer, created by Vannovar Bush in the late 1920s was called

A. analytical engine
B. clipboard
C. differential analyzer
D. berry computer
Answer» D. berry computer
227.

Most commonly used codes to represent bits are

A. American Standard Code (ASCII)
B. BCD
C. EBCDIC
D. all of above
Answer» E.
228.

1 kilobyte consists of

A. 768 bytes
B. 724 bytes
C. 1024 bytes
D. 1078 bytes
Answer» D. 1078 bytes
229.

Set of 'ordinary numbers' is also called

A. integers
B. whole numbers
C. natural numbers
D. real numbers
Answer» E.
230.

Last step in running and preparing batch jobs is to

A. printout is return
B. printout is started
C. printout is queued
D. printout is verified
Answer» B. printout is started
231.

Protection of files is referred to

A. files security
B. files exchange
C. bubble files
D. selected files
Answer» B. files exchange
232.

Electronic spreadsheets are most useful in a situation where relatively .... data must be input but...... calculations are requied.

A. Little; simple
B. Large; complex
C. Little; complex
D. Large; simple
Answer» D. Large; simple
233.

Third step in running and preparing batch jobs is to

A. write on printed sheets
B. verify the work
C. input data to computer
D. store output
Answer» D. store output
234.

A lesser known computer is

A. super computer
B. digital computer
C. analog computer
D. micro computer
Answer» D. micro computer
235.

All components that work together in form of unit is called

A. system
B. bound
C. baud
D. operator
Answer» B. bound
236.

Symbols such as letters or any digit are called

A. characters
B. small bits
C. small bytes
D. output characters
Answer» B. small bits
237.

If master and transaction file have keys in same order then it takes

A. less time
B. more time
C. many hours
D. many days
Answer» B. more time
238.

Number of bits in 'EBCDIC' code for computing are

A. eight bits
B. eighteen bits
C. twenty eight bits
D. seven bits
Answer» B. eighteen bits
239.

Which of the following is relevant to office automation?

A. document management system
B. message-handling system
C. office supports system
D. all of these
Answer» E.
240.

Basically, purpose of multiprogramming is to use processor and peripherals in

A. efficient way
B. bad way
C. systematic way
D. functional way
Answer» B. bad way
241.

Which of the following is not an example of e-commerce?

A. electronic banking
B. online chatting
C. electronic shopping
D. online education
Answer» C. electronic shopping
242.

Computer hardwares and softwares are logically

A. different
B. equivalent
C. bit similar
D. bit different
Answer» C. bit similar
243.

Directory which consists of list of files is classified as

A. list directory
B. directory part
C. catalogue
D. disc directory
Answer» D. disc directory
244.

One value which is written with mantissa and exponent is called

A. exponent
B. mantissa
C. base power
D. floating point number
Answer» E.
245.

The measure of the “effort” needed to maintain efficiency while adding processors.

A. Maintainablity
B. Efficiency
C. Scalabilty
D. Effectiveness
Answer» D. Effectiveness
246.

Once a computer starts a job, it is carried on until job is finished without any assistance, defines its

A. Accuracy
B. Diligence
C. Versatility
D. Automacy
Answer» E.
247.

Multiprogramming performs jobs ordered by programmers to

A. left in queue
B. switching between jobs
C. switching between function
D. left in batches
Answer» C. switching between function
248.

Which file organization is allowed by a direct access storage device?

A. Indexed and direct only
B. Sequential, indexed and direct
C. Direct only
D. Sequential and direct only
Answer» C. Direct only
249.

Mechanical devices that make-up the computer are called

A. software
B. hardware
C. netware
D. groupware
Answer» C. netware
250.

The operating system determines the manner in which all of the following occur except

A. data displayed on the monitor
B. printer output
C. user interaction with the processor
D. user creating of a document
Answer» D. user creating of a document