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.

551.

Most modern computers employ memory organization named as

A. Fixed length
B. Set length
C. Data length
D. Expression length
Answer» B. Set length
552.

Operations in machines having larger word-length are said to be

A. Complex
B. Slow
C. Fast
D. Dependent
Answer» D. Dependent
553.

In a computer _____ is capable to store single binary bit

A. Capacitor
B. Register
C. Inductor
D. Flip flop
Answer» E.
554.

The subtraction using 1’s complement of 110 – 100 will give the result ___________

A. -011
B. 011
C. 010
D. -010
Answer» D. -010
555.

For execution of an instruction, signals are issued by the

A. Arithmetic Logic Unit
B. Control unit
C. Processing Unit
D. Logic Unit
Answer» C. Processing Unit
556.

Logic circuit diagram is traced in designing process to implement the

A. Boolean operations
B. Boolean variables
C. Boolean function
D. Boolean literals
Answer» D. Boolean literals
557.

Control unit timed sequence that fetches instructions from computer main store is classified as

A. the fetch execute cycle
B. the timed cycle
C. the sequenced cycle
D. the execution cycle
Answer» B. the timed cycle
558.

Engineering design of arithmetic logic unit determines the

A. Type and number of storing operations
B. Type and number of logical operations
C. Type and number of control operations
D. Type and number of logical and arithmetic operations
Answer» E.
559.

It mediates communication between CPU and other components of system.

A. CPU
B. RAM
C. Chipset
D. Buses
Answer» D. Buses
560.

A computer primarily constitutes of _____________integral components.

A. Two
B. Four
C. Three
D. Eight
Answer» D. Eight
561.

The minterm of any expression is denoted by ___________

A. Mt
B. m
C. M
D. min
Answer» C. M
562.

Packing more instructions in memory introduces concept of

A. Variable length
B. Fixed length
C. Half word
D. One and a half word
Answer» B. Fixed length
563.

Logic circuit with only one output and one or more inputs is said to be

A. binary gate
B. logic gate
C. circuit gate
D. system gate
Answer» C. circuit gate
564.

The ALU of a computer responds to the commands coming from

A. Primary memory
B. Cache memory
C. Control section
D. External memory
Answer» D. External memory
565.

Process of organizing data into processed file is classified as

A. deleting a file
B. organizing a file
C. creating a file
D. updating a file
Answer» D. updating a file
566.

What will be the value obtained after multiplication of (-2) * (-3) using Booth’s Algorithm?

A. 6
B. -6
C. -2
D. -3
Answer» B. -6
567.

A computer can't do a single work without

A. icons
B. CPU
C. instructions
D. monitor
Answer» C. instructions
568.

When operations are in parallel, communication is allowed between softwares, in processor type of

A. CISC
B. RISC
C. EPIC
D. Multi-core
Answer» D. Multi-core
569.

All Computers (Mainframe, Mini or Micro) must have

A. ALU
B. Control Unit
C. Primary Storage
D. All of above
Answer» E.
570.

Label the parts 1 and 2:

A. 1.ALU 2. MU
B. 1.Output unit 2.Input Unit
C. 1.MU 2. ALU
D. 1.Input Unit 2.Output Unit
Answer» E.
571.

What is the control unit's function in the CPU?

A. To perform logic operations
B. To decode program instruction
C. To transfer data to primary storage
D. To store program instruction
Answer» C. To transfer data to primary storage
572.

Word length of a Personal Computer is ___

A. 64 bits
B. 8 bits
C. 4 bits
D. 16 bits
Answer» C. 4 bits
573.

Binary circuit elements have

A. Three stable state
B. Two stable state
C. One stable state
D. None of the above
Answer» C. One stable state
574.

BCD is

A. Bit Coded Decimal
B. Binary Coded Digit
C. Bit Coded Digit
D. Binary Coded Decimal
Answer» E.
575.

In Reduced Instruction Set Computer, instructions for processing are said to be of

A. Variable length
B. Data length
C. Fixed length
D. Referral length
Answer» D. Referral length
576.

Which operation is shown in the following expression: (X+Y’).(X+Z).(Z’+Y’)

A. NOR
B. ExOR
C. SOP
D. POS
Answer» D. POS
577.

Information travels between components on the mother board through

A. Flash memory
B. CMOS
C. Bays
D. Buses
Answer» E.
578.

ALU works on the instructions and data held in the:

A. Note book
B. Copy pad
C. Registers
D. I/O devices
Answer» D. I/O devices
579.

Only ……………. program(s) become(s) active even though we can open many programs at a time.

A. four
B. three
C. two
D. one
Answer» E.
580.

The………….. of a system includes the programs or instructions.

A. hardware
B. icon
C. information
D. software
Answer» E.
581.

The fastest memory in a computer system is:

A. ROM
B. RAM
C. Cache
D. Hard disk
Answer» D. Hard disk
582.

…………… is a type of processor architecture that utilize a small, highly optimized set of instructions.

A. CISC
B. RISC
C. VISC
D. LISC
Answer» C. VISC
583.

Microcomputer hardware consists of three basic categories of physical equipment …….…….

A. keyboard, monitor, hard drive
B. system unit, input/output, memory
C. system unit, input/output, secondary storage
D. system unit, primary storage, secondary storage
Answer» C. system unit, input/output, secondary storage
584.

Which part of the central processing unit(CPU) perform calculation and makes decisions

A. Arithmetic Logic Unit
B. Alternating Logic Unit
C. Alternate Local Unit
D. American Logic Unit
Answer» B. Alternating Logic Unit
585.

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

A. binary
B. octal
C. decimal
D. hexadecimal
Answer» B. octal
586.

The ………….. is the administrative section of the computer system.

A. Input unit
B. Memory unit
C. Output unit
D. Central processing unit
Answer» E.
587.

The section of the CPU that is responsible for performing mathematical operations

A. Memory
B. Register Unit
C. Control Unit
D. ALU
Answer» E.
588.

__________ Interprets and executes set of instruction.

A. CPU
B. VDU
C. Printer
D. Scanner
Answer» B. VDU
589.

The 'brain' of a computer which keeps peripherals under its control is called

A. Common Power Unit
B. Common Processing Unit
C. Central Power Unit
D. Central Processing Unit
Answer» E.
590.

__________Unit control the operation of CPU.

A. ALU
B. RAM
C. CU
D. BU
Answer» D. BU
591.

Where does a computer add and compare its data ?

A. CPU
B. Memory
C. Hard disk
D. Floppy disk
Answer» B. Memory
592.

During the ………… portion of the Information Processing Cycle, the computer acquires data from some source.

A. processing
B. storage
C. input
D. output
Answer» D. output
593.

A set of information that defines the status of resources allocated to a process is

A. Register Unit
B. Process description
C. Process control
D. ALU
Answer» C. Process control
594.

CPU consist of

A. ALU+CU
B. ROM+ALU
C. RAM+ROM
D. None
Answer» B. ROM+ALU
595.

Diagram which is used to show logic elements and their interconnections is said to be

A. circuit diagram
B. system diagram
C. logic diagram
D. gate diagram
Answer» D. gate diagram
596.

Electrical circuit having all voltages at one of two values are called

A. binary circuit
B. binary logic
C. logic circuit
D. none of the above
Answer» D. none of the above
597.

Which of the following file organization is most efficient for a file with a high degree of fileactivity?

A. ISAM
B. B-Tree Index
C. Sequential
D. VSAM
Answer» D. VSAM
598.

If you are given a word of size n bits, the range of 2’s complement of binary numbers is ________

A. -2^(n+1) to +2^(n+1)
B. -2^(n-1) to +2^(n-1)
C. -2^(n-1) to +2^(n+1)
D. -2^(n-1) to +2^(n-1)-1
Answer» E.
599.

The _____________ processes the set of instructions along with any calculations and comparisons to complete the task.

A. Keyboard
B. Motherboard
C. CPU
D. Either a or c
Answer» D. Either a or c
600.

Component of CPU which is not responsible for interacting with primary memory is

A. ALU
B. CU
C. bus
D. register
Answer» C. bus