CBSE Class 4 Computer Studies Memory Organisation MCQs

Question. Which of the following is an example of an optical disk ?
a) Digital versatile disks
b) Magnetic disks
c) Memory disks
d) Data bus disks

Answer : A

Question. How many values can be represented by a single byte ?
a) 4
b) 16
c) 64
d) 256

Answer : D

Question. CD and DVD drives are the examples of ?
a) coding media
b) solid stage storage
c) Zip drives
d) storage devices

Answer : D

Question. Cache and main memory will lose their contents when the power is off. They are __________ ?
a) dynamic
b) static
c) volatile
d) non-volatile

Answer : C

Question. Storage media such as a CD read and write information using __________ ?
a) a laser beam of red light
b) magnetic dots
c) magnetic strips
d) All of these

Answer : A

Question. In a computer most processing takes place in _________ ?
a) Memory
b) RAM
c) Motherboard
d) CPU

Answer : D

Question. Which of the following is the smallest storage ?
a) Megabyte
b) Gigabyte
c) Kilobyte
d) Terabyte

Answer : C

Question. What is the acronym for Optical Storage ?
a) OMS
b) OS
c) OHS
d) ODS

Answer : B

Question. The time for the actual data transfer after receiving the request for data from secondary storage is referred to as the disk’s ?
a) transfer time
b) movement time
c) access time
d) data input time

Answer : C

Question. The smallest item of useful information a computer can handle ?
a) bite
b) byte
c) bit
d) bait

Answer : C

Question. The smallest unit in a digit system is ?
a) Byte
b) Kilobyte
c) Word
d) Bit

Answer : D

Question. A 32-bit-word computer can access __________ byte at a time ?
a) 4
b) 8
c) 16
d) 32

Answer : D

Question. ______ acts as temporary high-speed holding area between the memory and the CPU thereby improving processing capabilities ?
a) ROM
b) RAM
c) Temporary memory
d) Cache memory

Answer : D

Question. Which of the following is the largest unit of storage ?
a) GB
b) KB
c) MB
d) TB

Answer : D

Question. A device that reads the information contained on a disk and transfers it to the computer’s memory ?
a) monitor
b) screen
c) keyboard
d) disk drive

Answer : D

Question. Which media has the ability to have data/ information stored (written) on them by users more than once ?
a) CD-R disks
b) CD-RW disks
c) Zip disks
d) Opti-Disks

Answer : B

Question. Data on a floppy disk is recorded in rings called __________ ?
a) sectors
b) ringers
c) rounders
d) tracks

Answer : D

Question. If a user needs information instantly available to the CPU, it should be stored ?
a) on a CD
b) in secondary storage
c) in the CPU
d) in RAM

Answer : D

Question. Main memory works in conjunction with __________ ?
a) special function cards
b) RAM
c) CPU
d) Intel

Answer : C

Question. The main memory of a computer must be large enough to contain the active parts of __________ ?
a) the operating system
b) the applications
c) input/output storage & working storage
d) All of these

Answer : B

Question. The main memory of a computer can also be called ?
a) Primary storage
b) Internal memory
c) Primary memory
d) All of these

Answer : C

Question. A CD-ROM disk ?
a) cannot be erased and rewritten
b) has more storage capacity than a CD-R
c) holds less data than a floppy disk
d) can be written to only once

Answer : A

Question. Even if a disk drive fails, the computer application running and using it can continue processing. This application is said to have been designed with this feature called ?
a) 100 percent up-time
b) Fault tolerance
c) High reliability
d) All of these

Answer : B

Question. A register that keeps track of the next instruction to be executed is called a/an ?
a) Data Register
b) Instruction Register
c) Action Register
d) Program Counter

Answer : B

Question. Which type of memory holds only that program and data the CPU is presently processing ?
a) CMOS
b) ROM
c) RAM
d) ASCII

Answer : C

Question. What does CD-RW stand for ?
a) Compact Disc Re-Writable
b) Compact Disc Recordable Write-once
c) Compact Digital Rewriter
d) None of the above

Answer : A

Question. How many megabytes make a gigabyte ?
a) 1024
b) 128
c) 256
d) 512

Answer : A

Question. Which of the following is not true about RAM ?
a) RAM is a temporary storage area
b) RAM is the same as hard disk storage
c) RAM is volatile
d) Information stored in RAM is gone when you turn the computer off

Answer : B

Question. When you save to _________, your data will remain intact even when the computer is turned off ?
a) RAM
b) motherboard
c) secondary storage device
d) primary storage device

Answer : C

Question. Which of the following are advantages of CDROM as a storage media ?
a) CD-ROM is an inexpensive way to store large amount of data and information.
b) CD-ROM disks retrieve data and information more quickly than magnetic disks do.
c) CD-ROMs make less errors than magnetic media.
d) All the above

Answer : D

Question. ROM tells the computer to ?
a) disconnect the computer
b) start up the operating system
c) connect to the hardware
d) turn on

Answer : B

Question. Where are programs and data kept while the processor is using them ?
a) Main memory
b) Secondary memory
c) Disk memory
d) Program memory

Answer : A

Question. Computers use the ________ number system to store data and perform calculations ?
a) binary
b) octal
c) decimal
d) hexadecimal

Answer : A