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CHAPTER NO : 4 

STORAGE DEVICES

Encircle the most appropriate answer from the following options


1.         The capacity of a storage device is expressed as the number of.

(a) Byte          

(b) Bits

(c) Character

(d) All these


2.         A bit can be.               

(a) I or 0         

(b) I and 0       

(c) I only

(d) 0 only


3.         The storing capacity of a computer is measured in.             

(a) Bit 

(b) Byte          

(c) Kilogram   

(d) Gigabyte


4.         Computer storage is basically divided into.

(a) Ram & Rom         

(b) Main memory & Secondary Storage

(c) Main memory & Hard disk           

(d) Floppy & Hard disk


5.         Main memory is an extension of.

(a) Ram          

(b) Rom          

(c) Hard disk  

(d) Both a & b


6.         Which memory provides very fast performance.

(a) Cache memory   

(b) Secondary memory

(c) Random access memory

(d) Read only memory


7.         If the memory of a computer is 32000 bytes. It means it can store how many characters.

(a) 32

(b) 32000

(c) 64.

(d) 2400


8.         Which among the following is referred to as volatile memory.

(a) Read only memory          

(b) Random access memory

(c) Flash memory      

(d) Cache memory


9.         Generally RAM (random access memory) is measured in.

(a) Bytes        

(b) K bytes     

(c) M bytes

(d) Both b and c


10. More RAM can make computers.           

(a) Expensive 

(b) Run slower

(c) Run fast

(d) None


11.       RAM is called volatile memory because the data stored in it.

(a) Don’t disappear whenever the computer turns off

(b) Disappear whenever the computer turns off.

(c) CPU can directly access the RAM

(d) It is very fast


12.       A variation of ROM is.

(a) Flash Memory      

(b) Cache Memory

(c) Programmable read only memory (PROM)    

(d) Direct access storage


13.       We can search any item by simply specifying.

(a) The hard disk tracks         

(b) ROM size

(c) Address in direct access storage

(d) None of the above

(d) Powerful


14.       The surface of a hard disk is logically divided into.

(a) Firmware

(b) None

(c) Physically marking tracks

(d) Pie-shaped sectors


15.       The number of sectors of a hard disk depends upon the.

(a) Density of the hard disk

(b) Speed of the motor

(c) Number of read/write head

(d) Capacity of RAM


16.       Typically the storage capacity of a sector can be.

(a) 512 bytes 

(b) 512 kilobytes

(c) Always 2 bits        

(d) 1 2 the capacity of RAM


17.       The capacity of a hard disk depends upon the.

(a). High speed motor

(b) Movement of read/write head

(c) Complexity of software    

(d) Number of disk platters


18.       Computer storage is also referred to as.

(a) Computer device

(b) Computer RAM

(c) Computer memory

(d) None of above


19.       Main memory performance is.

(a) Fast           

(b) Slow          

(c) Very fast

(d) None


20.       Auxiliary storage provides.

(a) Minimum capacity

(b) Maximum capacity

(c) Both a & b  .

(d) None


21.       Computer memory is.

(a) Mechanical File

(b) An electronic file

(c) both of above

(d) None


22.       1 represents the data.

(a) On

(b) Off

(c) both of above

(d) None


23.     Each byte contains.

(a) Information           

(b) I Character          

(c) both of above

(d) None


24.       Computer storage is divided into classes.

(a) Two          

(b) Three        

(c) Four

(d) Five


25.       Main memory is directly accessible by.

(a). CPU         

(b) Printer       

(c) Scanner

(d) Keyboard


26.       The basic information unit is called a.

(a) Character 

(b) Word         .

(c) Nibble

(d) None


27.       A word of 16 bits size can be called:

(a) 4 Byte word          

(b) I Byte word

(c) 2 Byte word

(d) 1 Nibble


28.       1 kilobyte equals

(a) 212 byte     

(b) 220 byte     

(c) 210  byte

(d) 230  byte


29.       The ROM has types.

(a) Two           

(b) Three       

(c) PROM

(d) EPROM


30.       When the power shuts off the contains are lost.

(a) From ROM           

(b) From RAM           

(c) Both of above

(d) None


31.       The most common RAM technologies are.

(a) Two          

(b) Three        

(d) Four

(d) Five


32.       The much more expensive and requires more space and power.

(a) RAM

(b) SRAM

(c) DRAM

(d) ROM


33.       The capacity of RAM affects the computer.

(a) Size           

(b) Length       

(c) Power

(d) Life


34.       DRAM needs to be refreshed

(a) Periodically         

(b) Hourly       

(c) Weekly

(d) Yearly


35.       DRAM is most commonly used technology to build

(a) Software’s

(b) Dynamic RAM     

(c) RAM chips

(d) Static RAM


36. Which RAM is faster?

(a) SRAM      

(b) DRAM      

(c) PRAM

(d) Both (a) & (b)


37. SRAM is known as the

(a) Main memory       

(b) Secondary memory         

(c) Cache memory

(d) None


38.       MSB stands for

(a) Microsoft significant byte 

(b) Most significant byte

(c) Microsoft significant bit    

(d) Most significant bit


39.       In EEPROM data is erased by

(a) Magnetically devices        

(b) Electrical devices

(c) Electrochemical devices  

(d) None


40.       Which RAM is less expensive?

(a) SRAM       

(b) DRAM

(c) PRAM   

(d) Both (a) & (b)


41. Which disk is mostly used for transferring data  

(a) Floppy disk         

(b) Hard disk

(c) CD   

(d) DVD


42. The most common size of floppy disk is 

(a) 2.5″

(b) 3.5

(c) 4.5″

(d) 5.5″


43. Floppy disk is encased in a rigid  

(a) Aluminum case

(b) Iron body

(c) Envelope   

(d) Silicon case


44. A floppy disk is a storage medium

(a) Electric     

(b) Electronic

(c) Chemical   

(d) Magnetic


45. Floppy disks         

(a) Are slower but less expressive     

(b) Have less storage capacity

(c) Are portable

(d) All of these


46. Basic sizes of floppy disks are    

(a) 8-inch        

(b) 5 1/4 —inch          

(c) 3 1/2-inch  

(d) All of these


47. Which size of floppy disk is most commonly used

(a) 8-inch        

(b) 5 1/4 -inch 

(c) 3 1/2-inch 

(d) 1 1/4 -inch


48. How many hard disks digital computers use

(a) One           

(b) At most one          

(c) At least one         

(d) None


49. Typically a track is divided into sectors

(a) 1

(b) 5

(c) 7

(d) 8


50. A sector usually contains a fixed number of bytes of data i.e.

(a) 256 bytes  

(b) 512 bytes 

(c) 28 bytes    

(d) 1024-bytes