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.

1001.

 Which of the following translate back from machine code something resembling the source language

A. Compiler
B. Decompiler
C. Interpreter
D. Assembler
Answer» C. Interpreter
1002.

 An error in computer data is called

A. Bug
B. Chip
C. Bit
D. Byte
Answer» B. Chip
1003.

 What is the number of bit patterns provided by a 7-bit code?

A. 256
B. 512
C. 128
D. 64
Answer» D. 64
1004.

 The silicon chips used for data processing are called

A. ROM chips
B. RAM chips
C. PROM chips
D. Micro processor
Answer» E.
1005.

 The intersection of a column and row in a spreadsheet is called a bon or ...................... .

A. Cell
B. Key
C. Menu
D. Field
Answer» B. Key
1006.

 Hard disks are formatted in the same manner as floppy disks. However, before a hard disk can be formatted, it must first be _____

A. sectioned
B. partitioned
C. inter-sectioned
D. deleted
Answer» C. inter-sectioned
1007.

 Main storage is also called

A. Memory
B. Control Unit
C. Register Unit
D. Accumulator
Answer» B. Control Unit
1008.

 Which type of computers use the 8 bit code called EBCDIC?

A. Mainframe computers
B. Supercomputers
C. Minicomputers
D. Microcomputers
Answer» B. Supercomputers
1009.

 Instructions and memory addresses are represented by

A. binary word
B. parity bit
C. binary codes
D. character codes
Answer» D. character codes
1010.

 What are the concentric circles on floppy disks know as?

A. Tracks
B. Cylinders
C. Sectors
D. Segments
Answer» B. Cylinders
1011.

 A data item which is not broken down into smaller units is _____

A. Database management
B. Data element
C. Data entry
D. Elementary data item
Answer» E.
1012.

 Which is used to store firmware.

A. RAM
B. ROM
C. PROM
D. EPROM
Answer» C. PROM
1013.

 Third generation computers

A. Were the first to use integrated circuitry
B. Used transistors insted of vaccum tubes
C. Were the first to use built-in error detecting devices
D. All of the above
Answer» B. Used transistors insted of vaccum tubes
1014.

 A generalised software package produced to meet the bugs of a variety of data processing users is known as

A. Application package
B. Operating system
C. System software
D. Utility programs
Answer» B. Operating system
1015.

 A digital device that processes data is known as

A. Database
B. DBMS
C. Data entry
D. Data processor
Answer» E.
1016.

 Which is an electronic device that can store temporarily a single bit of data.

A. Latch
B. Accumulator
C. Buffer
D. Accumulator
Answer» B. Accumulator
1017.

 Which of the following is the expansion of EBCDIC

A. Extended binary coded decimal information code
B. Extended binary coded decimal interchange code
C. Extended bootable computerised digital infrared calculator
D. Extended bit comparable to digital interface for computer
Answer» C. Extended bootable computerised digital infrared calculator
1018.

 Who is called the "grand father" of the computer?

A. Charles Babbage
B. Joseph Jacquard
C. Dr. Herman Hollerith
D. Blaise Pascal
Answer» B. Joseph Jacquard
1019.

 A medium for transferring data between two locations is called

A. Network
B. Modem
C. Bus
D. Communication channel
Answer» E.
1020.

 Which company is the biggest player in the microprocessor industry?

A. IBM
B. Motorola
C. AMD
D. Intel
Answer» E.
1021.

 A half byte is know is

A. Nibble
B. Half byte
C. Bit
D. Data
Answer» B. Half byte
1022.

 Offline device is

A. a device which is connected to CPU
B. a device which is not connected to CPU
C. a direct access storage device
D. an I/O device
Answer» C. a direct access storage device
1023.

 Which one of the following is the first second-generation computer?

A. IBM 801
B. IBM 7070
C. IBM 7090
D. All of the above
Answer» D. All of the above
1024.

 A sizeable geographical area with communication based on the telephone system is though as

A. Local area network
B. Wide area network
C. Modulator-Demodulator
D. All of the above
Answer» C. Modulator-Demodulator
1025.

 What is the standard code the computer industry created to represent characters?

A. DASI
B. ASCII
C. BASCII
D. EPROM
Answer» C. BASCII
1026.

 A packet switching network that was sponsored by the Commission of the EEC and became operational in 1979 is

A. Euronet
B. Star network
C. a single server
D. none of these
Answer» B. Star network
1027.

 Which of the following terms applies to communication between separate computer systems?

A. Computer literacy
B. Power supply
C. Applications software
D. Connectivity
Answer» E.
1028.

 Which of the following refers to the fastest, biggest and most expansive computer?

A. Personal computer
B. Super computer
C. Laptop
D. Note book
Answer» C. Laptop
1029.

 PARAM was developed by.....................

A. C-DAC
B. IIT Kanpur
C. BARC
D. IIT Delhi
Answer» B. IIT Kanpur
1030.

 The most powerful computer is-

A. Super computer
B. Micro computer
C. Mini computer
D. All of these
Answer» B. Micro computer
1031.

 A computer portable and easy to carry by travellers is-

A. Super computer
B. Laptop
C. Mini computer
D. File servers
Answer» C. Mini computer
1032.

 Computer ......................... is whatever is typed, submitted or transmitted to a computer system.

A. input
B. output
C. data
D. circuitry
Answer» B. output
1033.

 Which of the following is used for manufacturing chips?

A. control bus
B. parity unit
C. control unit
D. semiconductor
Answer» E.
1034.

 One nibble is equal to

A. 4 bits
B. 8 bits
C. 6 bits
D. 16 bits
Answer» B. 8 bits
1035.

 The computer industry uses prefixes of Greek origin to measure large amounts of data. Which term describes 1024 bytes.

A. Kilobyte
B. Megabyte
C. Gigabyte
D. Terabyte
Answer» B. Megabyte
1036.

 The original ASCII code used _____ bits of each byte, reserving that last bit for error checking.

A. 4
B. 5
C. 7
D. 9
Answer» D. 9
1037.

 The first mechanical calculating machine was made by

A. William Oughtred
B. Gottfried Leibnitz
C. Blaise Pascal
D. Charles Babbage
Answer» D. Charles Babbage
1038.

 The domain name system is maintained by

A. distributed database system
B. a single server
C. a single computer
D. none of these
Answer» B. a single server
1039.

 The right to use a domain name is delegated by domain name registers which are accredited by

A. internet architecture board
B. internet society
C. internet research task force
D. internet corporation for assigned names and numbers
Answer» E.
1040.

 Wildcard domain names start with label

A. @
B. *
C. &
D. #
Answer» C. &
1041.

 If a server has no clue about where to find the address for a hostname then

A. server asks to the root server
B. server asks to its adjcent server
C. request is not processed
D. none of these
Answer» B. server asks to its adjcent server
1042.

 DNS database contains

A. name server records
B. hostname-to-address records
C. hostname aliases
D. all of these
Answer» E.
1043.

 Servers handle requests for other domains

A. directly
B. by contacting remote DNS server
C. it is not possible
D. none of these
Answer» C. it is not possible
1044.

 A DNS client is called

A. DNS updater
B. DNS resolver
C. DNS handler
D. None of these
Answer» C. DNS handler
1045.

 The entire hostname has a maximum of

A. 255 characters
B. 127 characters
C. 63 characters
D. 31 characters
Answer» B. 127 characters
1046.

 A(n) ...................... camera is a peripheral device used to capture still images in a digital format taht can be easily transferred into a computer and manipulated using graphics software.

A. digital
B. analog
C. classic
D. film
Answer» B. analog
1047.

 You use a(n) ...................., such as a keyboard or mouse, to input information.

A. storage device
B. processing device
C. input device
D. output device
Answer» D. output device
1048.

 Which keys enable the input of numbers quickly?

A. Function keys
B. The numeric keypad
C. Ctrl, shift and Alt
D. Arrow keys
Answer» C. Ctrl, shift and Alt
1049.

 Information that comes from an external source and is fed into computer software is called ............................. .

A. Input
B. Output
C. Throughout
D. Reports
Answer» B. Output
1050.

 You can use the tab key to .......................... .

A. move a cursor across the screen
B. indent a paragraph
C. move the cursor down the screen
D. both (A) and (B)
Answer» E.