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.

901.

 A memory that contains a fine pattern of data permanently defined is

A. EPROM
B. RAM
C. ROM
D. PROM
Answer» D. PROM
902.

 In computer terminology a compiler means-

A. the same thing as a programmer
B. a program which translates source program into object program
C. key punch operator
D. a person who computes source programs
Answer» C. key punch operator
903.

 In digital computer, all the expressions are coded into

A. Octal digits
B. Binary digits
C. Hexadecimal digits
D. Decimal digits
Answer» C. Hexadecimal digits
904.

 The CPU is made up of control unit ALU and

A. Memory
B. Input-Output
C. Register unit
D. All of the above
Answer» B. Input-Output
905.

 A file that includes an index directory to facilitate random access is

A. Sequential file
B. Indexed file
C. Random file
D. Serial file
Answer» C. Random file
906.

 The proper definition of a modern digital computer is

A. an electronic automated machine that can solve problems involving words and numbers
B. a more sophisticated and modified electronic pocket calculator
C. any machine that can perform mathematical operations
D. a machine that works on binary code
Answer» B. a more sophisticated and modified electronic pocket calculator
907.

 A software package to implement a data base is

A. System analysis
B. DBMS
C. Database
D. DASD
Answer» C. Database
908.

 The primary memory of a personal computer consists of:

A. ROM only
B. RAM only
C. Both ROM and RAM
D. Memory module
Answer» D. Memory module
909.

 The term MIPS refers to _____

A. millions of instructions per second
B. multiple instructions per second
C. megabytes of instructions per seconds
D. millions input processor set
Answer» B. multiple instructions per second
910.

 What characterstic of read only memory (ROM) makes it useful?

A. ROM information can be easily updated
B. Data in ROM is non volatile, that is, it remains there even without electrical power
C. ROM provides very large amounts of inexpensive data storage
D. ROM chips are easily swapped between different brands of computers
Answer» C. ROM provides very large amounts of inexpensive data storage
911.

 If a memory chip is volatile, it will ....................... .

A. explode if exposed to high temperatures
B. lose its contents if currents it turned off
C. be used for data storage only
D. be used to both read and write data
Answer» C. be used for data storage only
912.

 Which of the following is the storage area within the computer itself which holds data only temporarily as the computer processes instruction?

A. the hard disk
B. main memory
C. the control unit
D. read only memory
Answer» C. the control unit
913.

 Which of the following devices have a limitation that we can only read it but can not erase or modify it?

A. Tape drive
B. Hard disk
C. Compact disk
D. Floppy disk
Answer» D. Floppy disk
914.

 Which device can understand difference between data and programs?

A. Input device
B. Output device
C. Memory
D. Microprocessor
Answer» E.
915.

 A CD-RW disk .................. .

A. has a faster access than an internal disk
B. is a form or optical disk, so it can only be written once
C. holds less data than a floppy disk
D. can be erased and rewritten
Answer» E.
916.

 When you save to ..................., your data will remain intact even when the computer is turned off.

A. RAM
B. mother board
C. secondary storage device
D. primary storage device
Answer» D. primary storage device
917.

 Which of the following can only have sequential access?

A. Disk
B. Tape
C. CD-ROM
D. DVD-ROM
Answer» C. CD-ROM
918.

 .................... is the maximum amount of data that can be stored on a storage medium.

A. Magnetic storage
B. Optical storage
C. Solid-state storage
D. Storage capacity
Answer» E.
919.

 The term ..................... refers to data storage systems that make it possible for a computer or electronic device to store and retrieve data.

A. retrieval technology
B. input technology
C. output technology
D. storage technology
Answer» E.
920.

 Saving is the process of-

A. Copying a document from memory to a storage medium
B. Making changes to a document's existing content
C. Changing the appearance, or overall look, of a document
D. Developing a document by entering text using a keyboard
Answer» B. Making changes to a document's existing content
921.

 ..................... is the process of dividing the disk into tracks and sectors.

A. Tracking
B. Formatting
C. Crashing
D. Allotting
Answer» C. Crashing
922.

 All of the following storage media have read and write capabilities except ........................ .

A. Flash memory cards
B. CD-ROMs
C. Hard disk drives
D. Floppy disks
Answer» C. Hard disk drives
923.

 The primary device that a computer uses to store information ..................... .

A. TV
B. Storehouse
C. Desk
D. Hard drive
Answer» E.
924.

 Which device uses a handheld operation system?

A. APDA
B. A personal computer
C. A laptop
D. A mainframe
Answer» B. A personal computer
925.

 A personal computer is designed to meet the computing needs of a(n) ...........................

A. individual
B. department
C. company
D. city
Answer» B. department
926.

 A ................... computer (also referred to as a laptop), is a small, lightweight personal computer that incorporates the screen, the keyboard, storage and processing components into a single por

A. Notebook
B. Journal
C. Diary
D. Briefcase
Answer» B. Journal
927.

 Which is the smallest of the following computers?

A. Notebook
B. Laptop
C. Desktop
D. Workstation
Answer» B. Laptop
928.

 A ....................... is a large and expensive computer capable of simultaneously processing data for hundreds or thousands of users.

A. handheld computer
B. mainframe computer
C. personal computer
D. tablet computer
Answer» C. personal computer
929.

 A removable magnetic disc that holds information ........................ .

A. Floppy disk
B. Hard drive
C. Monitor
D. Portable
Answer» B. Hard drive
930.

 A place in the computer system where data and programs are temporarily stored ........................ .

A. Paste
B. Open
C. Memory
D. Pocket
Answer» D. Pocket
931.

 To put information in a file on a magnetic disk, or in a computer's memory, so that it can be used later ...................... .

A. Store
B. Ship
C. Shift
D. Centre
Answer» B. Ship
932.

 What characterstics of read-only memory (ROM) makes it useful?

A. ROM information can be easily updated
B. Data in ROM is non volatile, that is, it remains there even without electrial power
C. ROM provides very large amounts or inexpensive data storage
D. ROM chips are easily swapped between different brands of computers
Answer» C. ROM provides very large amounts or inexpensive data storage
933.

 Which type of memory holds only the program and data that the CPU is presently processing?

A. CMOS
B. ROM
C. RAM
D. ASCII
Answer» D. ASCII
934.

 A flat metallic disk that contains a large amount of permanently stored information read optically is called a ........................ .

A. Monitor
B. ALU
C. CD-ROM
D. RAM
Answer» D. RAM
935.

 During processing data, programs, and processed information are held temporality in ........................... .

A. Secondary storage
B. ROM
C. RAM
D. CPU
Answer» D. CPU
936.

 The place where the computer stores programs and data is called ....................... .

A. Memory
B. Storehouse
C. Storage unit
D. Backup
Answer» D. Backup
937.

 Secondary storage ..................... .

A. does not require constant power
B. does not use magnetic media
C. consists of four main types of devices
D. does not store information for lateral retrieval
Answer» B. does not use magnetic media
938.

 How is it possible that both programs and data can be stored on the same floppy disk?

A. A floppy disk has two sides, one for data and one for programs
B. Programs and data are both software, and both can be stored on any memory device
C. A floppy disk has to be formatted for one or for the other
D. Floppy disks can only store data, not programs
Answer» C. A floppy disk has to be formatted for one or for the other
939.

 A CD-ROM disk ....................... .

A. cannot be erased and rewritten
B. has more storage capacity than CD-R
C. holds less data than a floppy disk
D. can be written only once
Answer» B. has more storage capacity than CD-R
940.

 RAM is ..................... and .................... .

A. volatile, temporary
B. non volatile, permanent
C. non volatile, temporary
D. volatile, permanent
Answer» B. non volatile, permanent
941.

 A(n) ...................... uses laser technology to store large amount of information.

A. Floppy disk
B. CD-ROM
C. Hard disk
D. ED-ROM
Answer» C. Hard disk
942.

 Where is data saved permanently?

A. Memory
B. Storage
C. CPU
D. Printer
Answer» C. CPU
943.

 The instructions for starting the computer are housed in-

A. RAM
B. CD-ROM
C. ROM chip
D. All of these
Answer» D. All of these
944.

 With a CD you can .................... .

A. read
B. write
C. read and write
D. none of these
Answer» B. write
945.

 When you save to this, your data will remain intact even when the computer is turned off-

A. RAM
B. Mother board
C. Secondary storgae device
D. Primary storgae device
Answer» D. Primary storgae device
946.

 A permanent memory, which halls data and instruction for start-up the computer and does not erase data after power off.

A. Network interface card
B. CPU
C. RAM
D. ROM
Answer» E.
947.

 Data gathering in computer means, they allow to use ............................ data.

A. Present
B. Input
C. Output
D. Store
Answer» E.
948.

 Storage which stores or retains data after power off is called-

A. Volatile storage
B. Non- volatile storage
C. Sequential storage
D. Direct storage
Answer» C. Sequential storage
949.

 CDs are of which shape?

A. Square
B. Rectangular
C. Round
D. Information
Answer» C. Round
950.

 Any data or instructions naturel into memory of a computer is considered as .......................... .

A. Storage
B. Output
C. Input
D. Information
Answer» B. Output