Computer studies year 7 exercise (hard)

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Computer studies year 7 exercise (hard)

  1. 1. Name : __________________________________________ Class : ______________ Date: ___________________ Computer Studies YEAR 7 - Storage devices Exercise 3 Category: Could Do 1. All the data and instruction in the computer are measured in _________________. 2. Study the storage sizes and answer the question. 1 bit =_________________ 1 Byte = ______________ 8 bit = _________________ 1000 Kilobytes (KB) = ____________ 1000 bytes = __________________ 2 Gigabytes (GB) = ___________________ 1 Megabytes (MB) = _________________ 1000 Megabytes (MB) = __________________ 3. Underline the correct answer. i. Random Access Memory (RAM) is also called (Volatile memory / Non-volatile memory). ii. Read Only Memory (ROM) is also called (Volatile memory / Non-volatile memory). 4. 1 | P a g e i. Hard disk are measured in ________________ ii. Give TWO advantages and disadvantages of using a hard disk. 1. __________________________________________________________ 2. __________________________________________________________ 1. __________________________________________________________ 2. __________________________________________________________
  2. 2. Name : __________________________________________ Class : ______________ Date: ___________________ 5. 2 | P a g e i. Floppy disks can hold data up to ________________ ii. Give TWO advantages and disadvantages of using a Floppy Disk / Diskette. 1. __________________________________________________________ 2. __________________________________________________________ 1. __________________________________________________________ 2. __________________________________________________________
  3. 3. Name : __________________________________________ Class : ______________ Date: ___________________ 6. 7. 3 | P a g e i. Zip Drive can holds data up to ________________ ii. Give ONE advantage and disadvantage of using a Zip drive. Advantage - __________________________________________________ Disadvantage - _______________________________________________ i. CD-ROM can holds data up to ________________ ii. What are the differences between CD-ROM and CD-RW. ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ iii. Give TWO advantages and disadvantages of using a CD-ROM. 1. __________________________________________________________ 2. __________________________________________________________ 1. __________________________________________________________ 2. __________________________________________________________
  4. 4. Name : __________________________________________ Class : ______________ Date: ___________________ 8. 4 | P a g e i. DVD can holds data up to ________________. ii. DVD stands for ____________________________________________. iii. Give ONE advantage and disadvantage of using a DVD. Advantage - __________________________________________________ Disadvantage - _______________________________________________
  5. 5. Name : __________________________________________ Class : ______________ Date: ___________________ 9. 5 | P a g e i. State the features of a Flash disk. ______________, ______________, ______________, _____________ ii. Flash Disk nowadays can hold data up to __________________. iii. Give ONE advantage and disadvantage of using a Flash disk. Advantage - __________________________________________________ Disadvantage - _______________________________________________
  6. 6. Name : __________________________________________ Class : ______________ Date: ___________________ 9. 5 | P a g e i. State the features of a Flash disk. ______________, ______________, ______________, _____________ ii. Flash Disk nowadays can hold data up to __________________. iii. Give ONE advantage and disadvantage of using a Flash disk. Advantage - __________________________________________________ Disadvantage - _______________________________________________

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