51. What is the difference between a CD-ROM and CD-RW ?

1. 1. They are the same-just two different terms used by different manufactures.

   
   
   

   2. A CD-ROM can be written to and a CD-RW cannot

   
   
   

   3. Other than those given as options

   
   
   

   4. A CD-ROM holds more information that a CD-RW

   
   
   

   5. A CD-RW can be written to but a CD-ROM can only be read from

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: E

   NA

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52. Which of the following is the largest unit of storage ?

1. 1. GB

   
   
   

   2. KB

   
   
   

   3. MB

   
   
   

   4. TB

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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53. Decreasing the amount of space required to store data and programs is accomplished by

1. 1. crashing

   
   
   

   2. disk caching

   
   
   

   3. RAID

   
   
   

   4. file compression

   
   
   

   5. other than those given as options

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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54. The main directory of a disk is called the directory

1. 1. Network

   
   
   

   2. Folder

   
   
   

   3. Root

   
   
   

   4. Other than those given as options

   
   
   

   5. Program

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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55. ..... are used to measure both computer memory (RAM) and storage capacity of Floppy disks, CD-ROM drives and Hard drives.

1. 1. Bytes

   
   
   

   2. Bites

   
   
   

   3. Octal numbers

   
   
   

   4. Hexadecimal numbers

   
   
   

   5. Binary numbers

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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