The Chennai School Of banking

COMPUTER KNOWLEDGE Computer Memory

Question No : 1

DVD refers to
(1) Digital Video Developer
(2) Digital Video Device
(3) Digital Video Disk
(4) Digital Video Writer
(5) None of these
 

Question No : 2

A nibble is equal to _______ bits.
(1) 4
(2) 8
(3) 16
(4) 32
(5) None of these

Question No : 3

A byte can represent any number between 0 and
(1) 2
(2) 255
(3) 256
(4) 1024
(5) 1025
 

Question No : 4

The term ‘gigabyte’ refers to
(1) 1024bytes                                 
(2) 1024 kilobytes                             
(3) 1024 megabytes
(4) 1024 gigabytes      
(5) None of these

Question No : 5

The technique that extends storage capacities of main memory beyond the actual size of the main memory is called
(1) multitasking
(2) virtual storage
(3) multiprocessing
(4) multi programming
(5) switching
 

Question No : 6

Flash is
(1) software
(2) hardware
(3) ROM
(4) RAM
(5) None of thes

Question No : 7

Which of the following can hold maximum data?
(1) Optical disk
(2) Floppy disk
(3) Magnetic tape
(4) Magnetic disk inside
(5) None of these

Question No : 8

Which storage device is mounted on ‘reels’?
(1) Floppy disk
(2) Hard disk
(3) Magnetic tapes
(4) CD – ROM
(5) None of these

Question No : 9

Which of the following memory chip is faster?
(1) There is no certainty
(2) DRAM
(3) SRAM
(4) RAM
(5) None of these
 

Question No : 10

A disk’s content that is recorded at the time of manufacture and that cannot be changed or erased by the user is
(1) write-only
(2) memory-only
(3) read-only
(4) run-only
(5) non-changeable
 

Question No : 11

Which of the following is an example of optical disk?
(1) Digital versatile disks
(2) Magnetic disks
(3) Memory disks
(4) Data bus disks
(5) None of these

Question No : 12

The term ______ refers to data storage systems that make it possible for a computer or electronic device to store and retrieve data.
(1) retrieval technology
(2) input technology                         
(3) output technology
(4) Storage technology
(5) None of these
 

Question No : 13

_____ is the process of dividing the disk into tracks and sectors.
(1) Tracking
(2) Formatting
(3) Crashing
(4) Allotting
(5) None of these

Question No : 14

Cache and main memory will not be able to hold their contents when the power is off. They are
(1) Dynamic
(2) static
(3) volatile
(4) non –volatile
(5) faulty

Question No : 15

Which of the following is not an access mode?
(1) Random
(2) Sequential
(3) Continuous
(4) Direct
(5) None of these
 

Question No : 16

The _____ directory is mandatory for every disk.
(1) root
(2) bare
(3) sub (4) care
(5) None of these

Question No : 17

Frequently – accessed information is held in
(1) hard drive
(2) cache memory
(3) flash memory
(4) read only memory
(5) None of these

Question No : 18

The primary device that a computer uses to store information is
(1) TV
(2) Storehouse
(3) desk
(4) hard drive
(5) None of these

Question No : 19

The removable magnetic disk that holds information is
(1) hard drive
(2) Floppy disk
(3) monitor
(4) Portable
(5) None of these

Question No : 20

Computer memory is normally measured in
(1) Kilobytes
(2) megabytes
(3) gigabytes
(4) terabytes
(5) None of these

Question No : 21

In order to reproduce sound a compact disk (CD) audio player uses a
(1) quartz crystal
(2) titanium needle
(3) laser beam
(4) barium titanate ceramic
(5) None of these

Question No : 22

The CD-ROM drive is used to
(1) Play compact disks
(2) play music
(3) install software
(4) Control digital information
(5) None of these

Question No : 23

Information stored in RAM need to be
(1) check
(2) refresh periodically
(3) modify
(4) detecting errors
(5) None of these
 

Question No : 24

Memory is made up of
(1) set of wires
(2) large number of cells
(3) set of circuits
(4) All of the above
(5) None of these

Question No : 25

Floppy disks are organized as
(1) files
(2) heads and folders
(3) tracks and sector
(4) All of these
(5) None of these

Question No : 26

The storage device used to compensate for the difference in rates of flow of data from one device to another is termed as
(1) chip
(2) channel
(3) floppy
(4) call
(5) buffer

Question No : 27

The ______ is the amount of data that a storage device can move from the storage to the computer per second
(1) data migration rate
(2) data digitizing rate
(3) data transfer rate
(4) data access rate
(5) None of these

Question No : 28

Unit of storage capacity is
(1) meters
(2) bit
(3) bus
(4) cubic meter
(5) None of these

Question No : 29

Which of the following is not a ROM?
(1) PROM
(2) EPROM
(3) EEPROM
(4) EDPROM
(5) None of these

Question No : 30

_______ is the ability of a device to ‘jump’ directly to the requested data.
(1) Sequential access
(2) Random access
(3) Quick access
(4) All of these
(5) None of these

Question No : 31

Dynamic RAM consumes _______ power and ______ than the static RAM.
(1) more, faster
(2) more, slower
(3) less, slower
(4) less, faster
(5) None of these

Question No : 32

The capacity of 3.5 inch floppy disk is
(1) 1.40 MB
(2) 1.44 GB
(3) 1.40 GB
(4) 1.45 MB
(5) 1.44 MB
 

Question No : 33

Where are programs and data to be used by the computer available?
(1) Processing unit
(2) Output
(3) Storage
(4) Input
(5) None of these
 

Question No : 34

The difference between memory and storage is that memory is ____ and storage is _____
(1) temporary, permanent
(2) permanent, temporary
(3) slow, fast
(4) non-volatile, volatile
(5) None of these

Question No : 35

Which of the following is the magnetic storage device?
(1) Hard disk
(2) compact disk
(3) Audio tapes
(4) All of these
(5) None of these

Question No : 36

_____ acts as temporary high speed holding area between the memory and the CPU thereby improving processing capabilities.
(1) ROM
(2) Temporary memory
(3) RAM
(4) Cache memory
(5) Flash memory

Question No : 37

Storage that retains its data after the power is turned off is referred to as
(1) volatile storage
(2) non – volatile storage
(3) sequential storage
(4) direct storage
(5) None of these

Question No : 38

Which of the following has the smallest storage capacity?
(1) Zip disk
(2) Hard disk
(3) Floppy disk
(4) Data cartridge
(5) None of these

Question No : 39

 ____ is the smallest memory measurement unit
(1) Bit
(2) Nibble
(3) Byte
(4) Mega
(5) Zetta
 

Question No : 40

The highest unit of information, computer can understand and process, is known as a
(1) exa byte
(2) zetta byte
(3) yotta byte
(4) bronto byte
(5) geop byte
 

Question No : 41

1101, series of four bits (or binary digits) is known as
(1) bit
(2) byte
(3) nibble
(4) input
(5) output
 

Question No : 42

Kilobyte equal to how many bytes?
(1) 1000
(2) 1035
(3) 100
(4) 1008
(5) 1024
 

Question No : 43

Which of the following represents one billion characters?
(1) Byte
(2) Giga byte
(3) Kilo byte
(4) Megabyte
(5) Terabyte

Question No : 44

How many bytes are there in one gigabyte?




(5) None of these

Question No : 45

The prefix kilo refers to approximately
(1) one billion
(2) one thousand
(3) one million
(4) one hundred
(5) None of these

Question No : 46

Virtual memory stores data in _______?
(1) Tap
(2) hard disk
(3) floppy
(4) C
(5) None of these
 

Question No : 47

Floppy disks which are made from flexible plastic material are also called?
(1) Hard disk
(2) High-density disk
(3) Diskettes
(4) Templates
(5) None of these

Question No : 48

Which of the following memories must be refreshed many times per second?
(1) EPROM
(2) Static RA
(3) ROM
(4) Dynamic RAM
(5) None of these

Question No : 49

The following computer’s memory is characterized by low cost per bit stored–
(1) Primary
(2) Secondary
(3) Hard disk
(4) All the above
(5) None of these

Question No : 50

 Magnetic tape is not practical for applications where data must be quickly recalled because tape is
(1) a random access medium
(2) a sequential access medium
(3) a read only medium
(4) fragile and easily damaged
(5) an expensive storage medium

Question No : 51

What is the difference between a CD-ROM and a CD-RW?
(1) They are the same just two different terms used by different manufacturers
(2) A CD-ROM can be written to and a CD-RW cannot
(3) A CD-RW can be written to, but a CD-ROM can only be read form
(4) A CD-ROM holds more information than a CD-RW
(5) None of these

Question No : 52

Virtual memory is
(1) an extremely large main memory
(2) an extremely large secondary memory
(3) an illusion of extremely large main memory
(4) a type of memory used in super computers
(5) None of these

Question No : 53

Which of the following are advantages of CD-ROM as a storage media?
(1) CD – ROM is an inexpensive way to share large amount of data and information
(2) CD – ROM disks retrieve data and information more quickly than magnetic disks do
(3) CD – ROMs make less errors than magnetic media
(4) All of these
(5) None of these