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.

1.

A 32 bit microprocessor has the word length equal to

A. 2 byte
B. 8 byte
C. 4 byte
D. 32 byte
Answer» D. 32 byte
2.

When arithmetic, logic and control unit of a computer are combined into a single unit, it is known as

A. central processing unit
B. memory unit
C. I/O unit
D. operating unit
Answer» B. memory unit
3.

What is the full form of MAR in Computer Basic ?

A. Main Address Register
B. Memory Access Register
C. Main Accessible Register
D. Memory Address Register
Answer» E.
4.

Concept used during processing, for temporary storage of active data and instructions, is said to be

A. Flash memory
B. Read only memory
C. Cache memory
D. Random access memory
Answer» C. Cache memory
5.

Machine language designed for a processor is based on list of

A. Components
B. Data sets
C. Processing Units
D. Instruction set
Answer» E.
6.

Instruction set supported by RISC processors are said to be

A. Large
B. Small
C. Variable length
D. Data length
Answer» C. Variable length
7.

Label which contains file name is classified as

A. header label
B. trailer label
C. end of file marker
D. start of file marker
Answer» B. trailer label
8.

A device or system not directly under control of computer system is known to be

A. On-line
B. On-board
C. Off-board
D. Off-line
Answer» E.
9.

In immediate addressing the operand is placed

A. In stack
B. After OP code in the instruction
C. In the CPU register
D. In memory
Answer» C. In the CPU register
10.

Interconnected computer configuration is said to be

A. Multiprogramming
B. Multiprocessing
C. Multischeduling
D. Multitasking
Answer» C. Multischeduling
11.

Operation is performed by ALU is

A. square root
B. exponential
C. data manipulation
D. all of these
Answer» E.
12.

Term used to gain speed of calculation in large scientific computers is defined to be

A. Variable length
B. Data length
C. Fixed length
D. Referral length
Answer» D. Referral length
13.

CPU chips, RAM chips and ROM chips are mounted on

A. Motherboard
B. Hard-board
C. Disk-board
D. Compositeboard
Answer» B. Hard-board
14.

In a computer, ALU can performs both arithmetic and

A. logic operation
B. logging operation
C. loading operation
D. learning operation
Answer» B. logging operation
15.

The two major types of computer chips are

A. External memory chip
B. Primary memory chip
C. Microprocessor chip
D. Both External memory chip and Primary memory chip
Answer» E.
16.

Processors of all computers, whether micro, mini or mainframe must have

A. ALU
B. Control unit
C. Primary Storage
D. All of the above
Answer» E.
17.

The 1’s complement of 1 in 4 bits is __________

A. 0001
B. 0
C. 1001
D. 1110
Answer» E.
18.

The expression of an EXOR gate is ____________

A. A’B+AB’
B. AB+A’B’
C. A+A.B
D. A’+B’
Answer» B. AB+A’B’
19.

A method of implementing a memory management system is

A. Broadband coaxial system
B. Buddy system
C. Bridgeware
D. All of the above
Answer» C. Bridgeware
20.

The brain of any computer system is

A. Control Unit
B. Storage Unit
C. Central Processing Unit
D. Arithmetic Logic Unit
Answer» D. Arithmetic Logic Unit
21.

Who proposed the use of Boolean algebra in design of relay switching circuits?

A. George Boole
B. Claude E. Shannon
C. Claude E. Boole
D. George Shannon
Answer» C. Claude E. Boole
22.

Operations of computer's units are controlled and activated by

A. Central Processing Unit
B. Arithmetic Logic Unit
C. Linear Logic Unit
D. Control Unit
Answer» B. Arithmetic Logic Unit
23.

Which of the following memory has the shortest access time?

A. External Memory
B. Register
C. Virtual Memory
D. Cache Memory
Answer» C. Virtual Memory
24.

In Computer System Memory management operations are performed by

A. User
B. Hardware
C. Programmer
D. Operating system
Answer» E.
25.

A register organized to allow to move left or right operations is called a ____?

A. Adder
B. Shift register
C. Counter
D. Loader
Answer» C. Counter
26.

Multi-core processors are widely used in design process of

A. High-end servers
B. Low-end servers
C. Workstations
D. Both a and c
Answer» E.
27.

Binary addition of 1 + 1 gives the result _____________

A. 0
B. 1
C. 2
D. 10
Answer» B. 1
28.

Routing is selection of actual path to be used to transmit a message in

A. Local area network environment
B. Metropolitan area network environment
C. Wide area network environment
D. Absolute area network environment
Answer» D. Absolute area network environment
29.

Physical connection between Microprocessor Memory and other parts is called _________

A. Path
B. Hub
C. Address bus
D. None of the above
Answer» D. None of the above
30.

In instruction set of most CPUs, there are

A. 100 or more instructions
B. 200 or more instructions
C. 300 or more instructions
D. 400 or more instructions
Answer» C. 300 or more instructions
31.

Through which device the main components of the computer communicate with each other?

A. Keyboard
B. Memory
C. System Bus
D. Monitor
Answer» D. Monitor
32.

Pipelining strategy is called implement

A. Instruction execution
B. Instruction manipulation
C. Instruction prefetch
D. Instruction decoding
Answer» D. Instruction decoding
33.

2’s complement is obtained by adding 1 to 1’s complement of a number.

A. True
B. False
C. May be
D. Can't say
Answer» B. False
34.

Network topology determines structure of interconnection of

A. Blocks of computer network
B. Nodes of computer network
C. Entities of computer network
D. Pages of computer network
Answer» C. Entities of computer network
35.

What does SVGA stands for?

A. Standard Visual Graphics Array
B. Super Visual Graphics Array
C. Standard Video Graphics Array
D. Super Video Graphics Array
Answer» E.
36.

>> operator is used to denote _________

A. left shift
B. right shift
C. greater than
D. less than
Answer» C. greater than
37.

The ascending order or a data Hierarchy is

A. Bit - bytes - record - field - file - database
B. Bytes - bit- field - record - file - database
C. Bytes -bit - record - field - file - database
D. Bit - bytes - fields - record - file - database
Answer» E.
38.

Operations of all components of a computer system is managed by the

A. Processing Unit
B. Sequence Unit
C. Control Unit
D. Coordinator Unit
Answer» D. Coordinator Unit
39.

File which contains list of other file names is known as

A. path file
B. batched file
C. directory
D. path name
Answer» D. path name
40.

What is the complement of X’Y’Z?

A. X+YZ
B. X’+Y+’Z’
C. X+Y+Z’
D. XYZ’
Answer» D. XYZ’
41.

Which of the following registers is loaded with the contents of the memory location pointed by thePC?

A. Memory address registers
B. Memory data registers
C. Program counter
D. Instruction register
Answer» E.
42.

CPU does not perform the operation

A. Data transfer
B. Arithmetic operation
C. Logic operation
D. All of the above
Answer» E.
43.

Cache memory is a small memory existing between

A. CPU and main memory
B. CPU and motherboard
C. Secondary disk and main memory
D. Secondary disk and chips
Answer» B. CPU and motherboard
44.

In the expression Y + X’.Y, which operator will be evaluated first ?

A.
B. +
C. .
D. ,
Answer» B. +
45.

CISC processors supports a variety of

A. Non-instruction sets
B. Complex instruction sets
C. Addressing modes
D. Non-Addressing modes
Answer» D. Non-Addressing modes
46.

A storage device wheere the access time is depended upon the location of the data is

A. Transaction access
B. Serial access
C. Random access
D. Sequential access
Answer» C. Random access
47.

The result obtained on subtraction using 2’s complement of 1111-0010 will be _________

A. 11101
B. 11011
C. 1101
D. 1011
Answer» D. 1011
48.

Microprocessors can be used to make

A. Computers
B. Digital systems
C. Calculators
D. All of the above
Answer» E.
49.

An approach that permits the computer to work on several programs instead of one is

A. Outline processor
B. Over lapped processing
C. On-line thesaurus
D. Multiprogramming
Answer» C. On-line thesaurus
50.

Overall performance is improved in multi-core processors by introducing

A. Time shared activities
B. Time sliced activities
C. Parallel activities
D. Concurrent activities
Answer» D. Concurrent activities