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.

351.

Factory production lines can be automated using?

A. Machine tools
B. VDUs
C. Plotters
D. None of these
Answer» C. Plotters
352.

A laser printer does NOT use?

A. A photo-conductive drum
B. A print head
C. A laser beam
D. None of these
Answer» C. A laser beam
353.

HTTP stands for

A. Hypertext Transfer Protocol
B. HighText Transmission Protocol
C. Hypertext Transmission Protocol
D. HyperTrend Transfer Protocol
Answer» D. HyperTrend Transfer Protocol
354.

Hardware or software designed to guard against unauthorized access to a computer network is known as a(n):

A. Hacker-proof program
B. Firewall
C. Hacker-resistant server
D. Encryption safe wall
Answer» C. Hacker-resistant server
355.

Typically, an ATM is used for

A. record keeping
B. budget making
C. watching movies
D. withdrawing cash
Answer» E.
356.

Use of passwords and access codes to safeguard files is classified as

A. software safeguards
B. physical safeguards
C. generation files
D. locked files
Answer» B. physical safeguards
357.

We cannot delete the ---------- icon but we can made it invisible

A. My Computer
B. Internet explorer
C. Recycle
D. None of the above
Answer» D. None of the above
358.

In files, if order of operation on two or more files are similar, then operation will be

A. complex
B. simple
C. sequential
D. combinational
Answer» C. sequential
359.

Digital computers are called processing data because they work by

A. numbers
B. symbols
C. letters
D. processors
Answer» B. symbols
360.

Data moves through the network in a structure called ____________

A. Payload
B. Payback
C. Packets
D. Datagram
Answer» D. Datagram
361.

Program that allows users to find or search words from passage of text includes

A. word processer
B. run time processor
C. online processor
D. off line processor
Answer» B. run time processor
362.

Internet is an exmple of ________

A. Local Area Network
B. Metropolitan Area Network
C. Wide Area Network
D. Storage Network
Answer» D. Storage Network
363.

Actual digits present in any figure is called it's

A. mantissa
B. exponent
C. base
D. base power
Answer» B. exponent
364.

When data files are updated, new file is called

A. father file
B. son file
C. grandfather file
D. grandson file
Answer» C. grandfather file
365.

Computer hardware consists of

A. I/O devices
B. CPU
C. storage devices
D. all of these
Answer» E.
366.

Cursor is a ____

A. Pixel
B. Thin blinking line
C. Pointing device
D. None of these
Answer» C. Pointing device
367.

A Web site address is a unique name that identifies a specific _______ on the Web.

A. PDA
B. Link
C. Web site
D. Web browser
Answer» C. Web site
368.

Benefits of using computers are

A. speed
B. reliable
C. storage
D. all of these
Answer» E.
369.

First step in running and preparing batch jobs is to

A. write on printed sheets
B. verification the work
C. waiting in the queue
D. stored output
Answer» B. verification the work
370.

IDE (ATE) or SATA interface connect Mother board with-

A. Mother board
B. RAM
C. Processor
D. Hard disk
Answer» E.
371.

'megabytes' of computer storage capacity consists of

A. one million bytes
B. two million bytes
C. three million bytes
D. four million bytes
Answer» B. two million bytes
372.

Boolean operator which combines search terms so that each search result contains all of the terms, is

A. and operator
B. not operator
C. or operator
D. nor operator
Answer» B. not operator
373.

A data _________ is a repository of information collected from multiple sources, over a history of time, stored under a unified schema and used for data analysis and decision support.

A. Warehouse
B. Repository
C. Mine
D. None of the above
Answer» B. Repository
374.

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

A. exchange
B. change
C. insertion
D. selection
Answer» E.
375.

The speed of operations of cache memory used in computers is slower than that of ______

A. RAM
B. ROM
C. HDD
D. Registers in CPU
Answer» E.
376.

Action in which directory reference is erased and space is available for other data is done when file is

A. deleted
B. saved
C. loaded
D. renamed
Answer» B. saved
377.

What is the meaning of 'Hibernate' in Windows XP/Windows 7?

A. Restart the computers in safe mode
B. Shutdown the computer terminating all the running applications.
C. Shutdown the computer without closing the running applications.
D. Restart the computers in normal mode.
Answer» D. Restart the computers in normal mode.
378.

Ensuring that the essential peripheral devices are attached and operational is the ____ Process.

A. Configuration
B. CMOS
C. POST
D. ROM
Answer» D. ROM
379.

Preparation of disc for subsequent file storage is classified as

A. disc format
B. disc address
C. disc footer
D. disc header
Answer» B. disc address
380.

The operating system is the most common type of ______ software.

A. Communication
B. System
C. Word processing
D. None of these
Answer» C. Word processing
381.

Data sequencing rule refers to

A. Breaking long message into smaller packets of variable size
B. Breaking long message into smaller records of fixed size
C. Breaking long message into smaller records of variable size
D. Breaking long message into smaller packets of fixed size
Answer» E.
382.

At time of updating sequential transaction files, master file

A. changes
B. doesn't changes
C. deleted
D. skipped
Answer» B. doesn't changes
383.

When incorrect input data or unreliable programs are causing computer errors, it is named to be

A. LIFO
B. FILO
C. FIFO
D. GIGO
Answer» E.
384.

Information on a hard disk is usually backed-up using a?

A. CD-ROM
B. Magnetic tape
C. Floppy disk
D. All of the above
Answer» B. Magnetic tape
385.

Devices that are controlled by central processing unit but are not a part of it are called

A. peripheral devices
B. arithmetic units
C. control unit devices
D. main store devices
Answer» B. arithmetic units
386.

Which of the following is a pointing device?

A. Hard disk
B. CD-ROM drive
C. Touch screen used for computer input.
D. RAM
Answer» D. RAM
387.

Process of Combining strings is known as

A. Compiling
B. Combining
C. Attaching
D. Concatenation
Answer» E.
388.

Level of generations that are generally kept are

A. two
B. three
C. four
D. five
Answer» C. four
389.

Insertion, selection and deletion of data are concluded as method of

A. sorting
B. storing
C. ordering
D. renaming
Answer» B. storing
390.

You organise files by storing them in

A. lists
B. indexes
C. folders
D. archives
Answer» D. archives
391.

Implementation of computer networks rely on concept of

A. Hierarchical networks
B. Systematic networks
C. Bus networks
D. Layered networks
Answer» E.
392.

After copying the content how many times can you paste?

A. 1
B. 32
C. Many
D. 16
Answer» D. 16
393.

Example of automatic programmable machine is

A. ATM
B. ROBOT
C. CAD
D. CAM
Answer» C. CAD
394.

Computer programs are known as

A. operating systems
B. softwares
C. applications
D. icons
Answer» C. applications
395.

Type of printer in which loop rotates in horizontal lines and hammer set of printer is used across paper is termed as

A. band printers
B. ink jet printers
C. page printers
D. font printer
Answer» B. ink jet printers
396.

In multiprogramming, programmer chooses programs which are suitable to run together from

A. job center
B. job terminal
C. job queue
D. timed job
Answer» D. timed job
397.

Programs such as Mozilla Firefox that serve as navigable windows into the Web are called ........

A. Hypertext
B. Network
C. Internet
D. Web Browsers
Answer» E.
398.

A computer is connected to a network, functionally and physically by help of a hardware device known to be

A. Network interface card
B. System interface card
C. Standard interface card
D. Switch interface card
Answer» B. System interface card
399.

Input and Output devices such as monitors and keyboards are classified as

A. arithmetic units
B. control unit devices
C. peripheral devices
D. main store devices
Answer» D. main store devices
400.

Name of interface used by a blind persons to perform operations on a computer is

A. sensor
B. icon
C. braille
D. touchscreen
Answer» D. touchscreen