ICT quiz

• Holds data, instructions, and information for future use

  Storage
• Number of bytes a storage medium can hold

  Capacity
• Reading is also called?

  Retrieve
• Process of transferring items from a storage medium into memory

  Reading
• Rocess ofof transferring items from memory to a storage medium

  Writing
• Writing is also called

  Save a file
• Amount of time it takes a storage device to locate an item on a storage medium

  Access time
• Time required to deliver an item from memory to the CPU

  Access time
• Smallest unit?

  Bits
• Storage or memory uses

  Bytes
• 2 types of memory

  Primary

  Secondary
• which the computer is currently working

  Primary Memory
• Where does the data required to he processed reside in?

  Main memory
• FDES

  fetch decode execute store
• Internal memory of the CPUCPU for storing data, program and program result

  Random access menory
• A read or write memory which stores data until the machine is working

  Random access memory
• Memory from which we can only read but cannot write on it

  Read-only memory
• Stores instructions that are required tostart a computer

  Bootstrap
• Most frequently usedused by the CPU

  Cache memory
• This is faster than main memory

  Cache memory
• Consumes else access time compared to main memory

  Cache memory
• Cannot be accidentally changed

  Read only memory
• Cheaper than RAM

  Read only memory
• Contents always known and can be verified

  Read only memory
• Components of primary memory

  • RAM
  • ROM
  • Cache memory
• KB

  Kilobyte
• MB

  Megabyte
• GB

  Gigabyte
• TB

  terabyte
• PB

  petabyte
• EB

  Exabyte
• ZB

  Zettabyte
• YB

  Yottabyte
• 1,000 bytes

  Kilobyte
• 1 million bytes

  Megabyte
• 1 billions bytes

  Gigabyte
• 1 trillion bytes

  Terabyte
• 1 quadrillion bytes

  Petabyte
• 1 quintillion bytes

  Exabyte
• 1 sextillion bytes

  Zettabyte