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.

601.

CPU consists of following parts

A. CU and main memory
B. CU and ALU
C. main memory and storage
D. operating system and application
Answer» C. main memory and storage
602.

CPU includes all of the following components except

A. primary storage
B. ALU
C. CU
D. register
Answer» B. ALU
603.

Computers use the …………. number system to store data and perform calculations.

A. octal
B. hexadecimal
C. binary
D. decimal
Answer» D. decimal
604.

The three major components of CPU are ALU, CU and ____.

A. The register set
B. The primary memory
C. The secondary memory
D. The cache memory
Answer» B. The primary memory
605.

Binary language consists of ……………

A. 2 digits
B. 3 digits
C. 4 digits
D. 10 digits
Answer» B. 3 digits
606.

Father of the computer :

A. Charles Babbage
B. Vint Cerf
C. Bob Khan
D. David Filo
Answer» B. Vint Cerf
607.

The ability of the computer to handle several application programs concurrently so that the idle time of the processor is reduced is called

A. Multitasking
B. Multiprogramming
C. Batch processing
D. Time sharing
Answer» B. Multiprogramming
608.

The binary equivalent of (–19)10 in signed magnitude system is

A. 11101100
B. 11101101
C. 10010011
D. None of these
Answer» D. None of these
609.

Three states in time-sharing system are

A. Ready, running and dead
B. Ready, begin and running
C. Ready, running and blocked
D. Ready, running and interrupt
Answer» D. Ready, running and interrupt
610.

________ memory is faster than the main memory.

A. Secondary
B. Internal processor memory
C. Cache memory
D. All of the above
Answer» D. All of the above
611.

Which one of the following represent the binary equivalent of the decimal number 23 ?

A. 01011
B. 10111
C. 10011
D. None of the above
Answer» C. 10011
612.

The function of CPU is ……………

A. to provide external storage of text
B. to communicate with the operator
C. to read, interpret and process the information and instruction
D. to provide a hard copy
Answer» D. to provide a hard copy
613.

A set of instructions telling the computer what to do is called ………….

A. mentor
B. instruction
C. compiler
D. program
Answer» E.
614.

A CPU contains …………

A. a card reader and printing device
B. an analytical engine and control unit
C. a control unit and an arithmetic logic unit
D. an arithmetic logic unit and a card reader
Answer» D. an arithmetic logic unit and a card reader
615.

The main directory of a disk is called the …………. directory.

A. root
B. sub
C. folder
D. None of these
Answer» B. sub
616.

The part of a computer that coordinates all its functions is called its …………..

A. ROM program
B. system board
C. arithmetic logic unit
D. control unit
Answer» E.
617.

The speed of clock frequency of a micro-processor is measured in …………..

A. hertz
B. baud rate
C. CPS
D. bits
Answer» B. baud rate
618.

The programs which are as permanent as hardware and stored in ROM is known as:

A. Software
B. Firmware
C. Algorithm
D. ROMware
Answer» C. Algorithm
619.

Which type of memory holds the program to start up the computer ?

A. ROM
B. RAM
C. Cache
D. Static
Answer» B. RAM
620.

Which of the following is also known as brain of computer ?

A. Control unit
B. Central Processing unit
C. Arithmetic and language unit
D. Monitor
Answer» C. Arithmetic and language unit
621.

An area of a computer that temporarily holds data waiting to be processed is……….

A. CPU
B. Memory
C. Storage
D. File
Answer» C. Storage
622.

VGA is

A. Video Graphics Array
B. Visual Graphics Array
C. Volatile Graphics Array
D. Video Graphics Adapter
Answer» E.
623.

What is the full form of DMA in Computer Basic ?

A. Distinct Memory Access
B. Direct Memory Access
C. Direct Module Access
D. Direct Memory Allocation
Answer» C. Direct Module Access
624.

The technology that stores only the essential instructions on a microprocessor chip and thus enhances its speed is referred to as

A. CISC
B. RISC
C. CD-ROM
D. Wi-Fi
Answer» C. CD-ROM
625.

What is the other name for programmed chip?

A. RAM
B. ROM
C. LSIC
D. PROM
Answer» D. PROM
626.

Which part of the computer is directly involved in executing the instructions of the computer program?

A. The scanner
B. The main storage
C. The secondary storage
D. The processor
Answer» E.
627.

The result of >> of 11001 by 3-bits will be ______________

A. 01000
B. 01111
C. 00011
D. 11111
Answer» B. 01111
628.

Instruction set of CISC processors are said to be

A. Large
B. Small
C. Fixed length
D. Referential
Answer» B. Small
629.

The binary number 111 in its 2’s complement form is ____________

A. 010
B. 001
C. 000
D. 111
Answer» C. 000
630.

In Computer Architecture a Bus is _________

A. A collection of various software
B. A collection of chairs where the user sits
C. A collection of shared communication wires
D. A collection of various computers
Answer» D. A collection of various computers
631.

The central processing unit (CPU) consists of

A. Input, output and processing
B. Control unit, processing, and primary storage
C. Control unit, arithmetic-logic unit and primary storage
D. Control unit, primary storage, and secondary storage
Answer» D. Control unit, primary storage, and secondary storage
632.

Storage and retrieval of instructions and data in a computer system is the responsibility of the __________________.

A. Memory
B. Secondary Memory
C. Primary Memory
D. Both b and c
Answer» E.
633.

The logical position of the ____________memory is between the main memory and the internal memory (registers).

A. Cache
B. Secondary
C. Primary Storage
D. Internal Processor
Answer» B. Secondary
634.

Addressing mode used in an instruction of the form ADD X, Y, is

A. absolute
B. immediate
C. indirect
D. index
Answer» B. immediate
635.

From a reference initial instant, a measure of service accomplishment. is known as

A. Hardware
B. Scalability
C. Module reliability
D. Sector
Answer» D. Sector
636.

The sound output has data-rate of approximately

A. 4
B. 6
C. 7
D. 8
Answer» E.
637.

The cost of the die can be calculated as

A. Cost of die= Cost of wafer Dies per wafer + Die yield
B. Cost of die= Cost of wafer Dies per wafer - Die yield
C. Cost of die= Cost of wafer Dies per wafer
D. Cost of die= Cost of wafer Dies per wafer Die yield
Answer» D. Cost of die= Cost of wafer Dies per wafer Die yield
638.

In register addressing mode operands are looked in

A. cache
B. secondary storage
C. CPU
D. primary memory
Answer» D. primary memory
639.

The no of dies/wafer is approximately the area of wafer which is divided by the area of this die. It is estimated by

A. (? (Wafer diameter/2)2Die area)+(?
B. (? (Wafer diameter/2)2Die area)-(?
C. (? (Wafer diameter/2)2Die area)*(?
D. (? (Wafer diameter/2)2Die area)(?
Answer» C. (? (Wafer diameter/2)2Die area)*(?
640.

The response time matters in the commercial market, uses like:

A. web servers
B. Tracking systems
C. Atms
D. All above
Answer» E.
641.

Fake programs that are made to try to compare the profile and behavior of original applications, such as Dhrystone are called as

A. Synthetic benchmarks
B. Kernel
C. Toy programs
D. None of above
Answer» B. Kernel
642.

A 2nd key feature of server systems is

A. Performance
B. Scalability
C. Price reduction
D. Computation
Answer» C. Price reduction
643.

If floating-point instructions are not being executed, then the floating-point unit will have a clock of

A. Enabled
B. Disabled
C. Continues
D. No effect
Answer» C. Continues
644.

Register used as a working area in CPU is

A. program counter
B. instruction register
C. instruction decoder
D. accumulator
Answer» E.
645.

In an instruction, address part points to the address of the actual data, than the address mode is

A. immediate addressing
B. direct addressing
C. indirect addressing
D. stack addressing
Answer» C. indirect addressing
646.

Computer component which is fastest is

A. RAM
B. cache
C. register
D. hard disk
Answer» D. hard disk
647.

In the indirect address mode,

A. effective address is equal to address part of instruction
B. content of program counter is added to address part of instruction
C. a memory is addressed by a register
D. address in the instruction points to location of effective address
Answer» D. address in the instruction points to location of effective address
648.

Component used to store one or more bit of data and can accept and/or transfer information serially is called

A. parallel registers
B. shift registers
C. counters
D. data registers
Answer» C. counters
649.

Products being sold by multiple vendors in very large number are called

A. Thermal design power
B. Clusters
C. Servers
D. Commodities
Answer» E.
650.

Dies which are 1.5cm on a side and 1.0cm on a side, supposing a density of 0.031/per cm^2 and N is 13.5, will have die yielding

A. 0.4 and 0.66
B. 0.4 and 1.66
C. 1.4 and 0.66
D. 2.4 and 0.66
Answer» B. 0.4 and 1.66