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.

151.

The max term when X=Y=Z=1 is ________

A. x’+y’+z’
B. xyz
C. x’y’z’
D. x+y+z
Answer» B. xyz
152.

The multiplication of 110 * 111 is performed. What is a general term used for 111 ?

A. Dividend
B. Quotient
C. Multiplicand
D. Multiplier
Answer» E.
153.

In a computer, CU stands for

A. control unit
B. cache unit
C. calculating unit
D. communication unit
Answer» C. calculating unit
154.

In a computer, ALU can perform

A. addition
B. subtraction
C. multiplication
D. all of these
Answer» E.
155.

Computer firmware is present in

A. volatile memory
B. non-volatile memory
C. cache memory
D. RAM
Answer» C. cache memory
156.

Number of bits in 'BCD' code used in computing are

A. seven bits
B. twelve bits
C. eighteen bits
D. six bits
Answer» E.
157.

System in which fractions are written by extending binary rotation is called

A. fixed-point representation
B. floating-point representation
C. binary digits representation
D. single rotation representation
Answer» B. floating-point representation
158.

Where would you find a magnetic strip?

A. Speakers
B. Credit card
C. Smart card
D. All of the above
Answer» C. Smart card
159.

The basic input/output system (BIOS) is storage in-

A. RAM
B. ROM
C. The CPU
D. The hard drive
Answer» C. The CPU
160.

Any computer regardless of its type is controlled by

A. user
B. programmed instructions
C. booting
D. hardware
Answer» C. booting
161.

Delay in processing and hiring large staff is disadvantage of

A. batch queue
B. batch job
C. batch processing
D. printing job queue
Answer» D. printing job queue
162.

System which stores data in states such as '0' and '1' is called

A. binary digit
B. bit
C. bytes
D. characters
Answer» B. bit
163.

Electronic commerce is a process of

A. sharing of business information
B. maintaining business relationship
C. conducting business transactions
D. all of these
Answer» E.
164.

To delete an incorrect character in a document, ______ to erase to the right of the insertion point.

A. Press the left mouse key
B. Double click the right mouse
C. Press the BACKSPACE key
D. Press the delete key
Answer» E.
165.

Dumping of files, creating backup files and keeping generation of files are methods of

A. protecting data
B. creating data
C. capturing data
D. deleting data
Answer» B. creating data
166.

In directory, content does not changes when file name is

A. loaded
B. renamed
C. deleted
D. saved
Answer» C. deleted
167.

Within a packet there are group of bits or characters, consists of data, control and addressing information described by

A. Data paging
B. Data routing
C. Data designing
D. Data formatting
Answer» E.
168.

Which of the following is related to business?

A. marketing
B. stock exchange
C. banks
D. all of these
Answer» E.
169.

A collection of interrelated file in computer is a-

A. File manager
B. Field
C. Record
D. Database
Answer» E.
170.

The bar at the top of a window that bears the name of the window is known as?

A. Control Panel
B. Taskbar
C. Menu bar
D. Title bar
Answer» E.
171.

Design, shipping and process control are few uses of computer in

A. science
B. education
C. industry
D. government
Answer» D. government
172.

A user level process in Unix traps the signal sent on a Ctrl + C input and has a signal handlingroutine that saves appropriate files before terminating the process. When a Ctrl + C input is givento this process, what is the mode in which the signal handling routine executes ?

A. User mode
B. Superuser mode
C. Privileged mode
D. Kernel mode
Answer» E.
173.

Table used for result of operation following logical rules is classified as

A. logic gate table
B. circuit gate table
C. truth table
D. system gate table
Answer» D. system gate table
174.

A single unit which is composed of small group of bits is known as

A. bit
B. bug
C. flag
D. byte
Answer» E.
175.

GIGO stands for

A. Graphical Input Graphical Output
B. Graphical Interface Graphical Outbound
C. Garbage Inbound Garbage Outbound
D. Garbage In Garbage Out
Answer» E.
176.

Which key combination is used to permantly delete a file or folder

A. Shift+delete
B. Alt+delete
C. CTRL+delete
D. Delete
Answer» B. Alt+delete
177.

Technique used in mainframe computers by programmers to perform batch processing is classified as

A. multiprogramming
B. multitasking
C. batch tasking
D. batch programming
Answer» B. multitasking
178.

'bit string consists of

A. a number
B. a character
C. an instruction
D. all of above
Answer» E.
179.

Computer system which represents data as variable points along a continuous spectrum of values is

A. analog system
B. digital system
C. mainframe system
D. netbook system
Answer» B. digital system
180.

C++ high-level language consists of all basic elements of

A. COBOL
B. FORTRAN
C. BASIC
D. C language
Answer» E.
181.

The two basic types of record access methods are

A. On-line and real-time
B. Sequential and random
C. Direct and immediate
D. Sequential and indexed
Answer» C. Direct and immediate
182.

All jobs and data communication tasks that have taken place is defined in

A. Log information
B. Route information
C. Path information
D. Process information
Answer» B. Route information
183.

What is the full form of FTP in Computer Basic ?

A. File Transfer Protocol
B. File Transfer Program
C. File Thread Protocol
D. File Thread Program
Answer» B. File Transfer Program
184.

An impact printer creates characters by using?

A. An inked ribbon and print head
B. Electrically charged ink
C. An ink pen
D. All of the above
Answer» B. Electrically charged ink
185.

The Simplest CPU scheduling algorithm is _____________

A. Multilevel Scheduling algorithm
B. FCFS Scheduling algorithm
C. SJF Scheduling algorithm
D. Round-robin scheduling algorithm
Answer» C. SJF Scheduling algorithm
186.

Physical parts of a computer are known as

A. hardware
B. software
C. disk drive
D. interface
Answer» B. software
187.

Personal computer is an example of

A. mini computer
B. super computer
C. digital computer
D. handheld computer
Answer» D. handheld computer
188.

Repeaters function in the _________ layer

A. Physical
B. Data Link
C. Network
D. Presentation
Answer» B. Data Link
189.

A word processor can be used to

A. write text
B. edit text
C. print text
D. all of these
Answer» E.
190.

Components of a computer that are tangible are

A. output
B. hardware
C. storage device
D. peripheral device
Answer» C. storage device
191.

Type of system in which data is collected together as a single unit is considered as

A. batch processing
B. batch unit
C. batch system
D. batch functioning
Answer» B. batch unit
192.

Virus is a computer __________

A. File
B. Database
C. Network
D. Program
Answer» E.
193.

C++ language was developed at Bell laboratories in early

A. 1960s
B. 1970s
C. 1980s
D. 1990s
Answer» D. 1990s
194.

Transaction of file is prepare when data in files is needs to be

A. updated
B. deleted
C. saved
D. accessible
Answer» B. deleted
195.

Which of the following is not included in document management system?

A. word processing
B. desktop publishing
C. reprographic
D. e-shopping
Answer» E.
196.

The real business and competitive value of information technology lies in:

A. The software application that are used by many companies.
B. The capabilities of software and the value of the information a business acquires and used.
C. The infrastructure of hardware, networks, and other it facilities that are commonly used by many companies.
D. The capabilities of the hardware and the speed at which it processes information.
Answer» C. The infrastructure of hardware, networks, and other it facilities that are commonly used by many companies.
197.

Varying degree of traffic on present network of channel is handled by

A. Data routing
B. Data scanning
C. Data monitoring
D. Data paging
Answer» B. Data scanning
198.

Computer is free from monotony, which defines its characteristic of being

A. Accurate
B. Automate
C. Versatile
D. Diligent
Answer» E.
199.

main store' of CPU is also called

A. main memory
B. temporary memory
C. immediate access store
D. both a and c
Answer» E.
200.

Logic gate in which any one of inputs is logic 1 results in output as logic 1 is termed as

A. NOT gate
B. NOR gate
C. AND gate
D. OR gate
Answer» E.