Common Features Flashcards

1
Q

Three most common features in a device.

A
  • Processor.
  • Internal memory.
  • Flash memory.
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2
Q

Processor

A

Found in all digital devices, it controls all functions of the devices. Specialist microprocessors are found in different devices.

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3
Q

Internal memory

A

Data and program instructions are stored here by the processor. Different devices have different amounts of internal memory which is measured in bytes.

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4
Q

Flash memory

A

Is a peripheral, ideal for portable devices since:
• It doesn’t lose data when turned off.
• No moving parts (solid state).
• Easily removable to transfer data between devices.

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5
Q

Types of flash memory.

A
  • Secure Digital (SD) card
  • Micro SD cards
  • SDHC (High Capacity) card
  • USB flash drive or memory stick
  • SDXC (Extended Capacity) card
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6
Q

Maximum storage capacity for an SD card.

A

4GB

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7
Q

Maximum storage capacity for an SDHC card.

A

32GB

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8
Q

Maximum storage capacity for a USB flash drive.

A

256GB (plugs into USB port)

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9
Q

Maximum storage capacity for an SDXC card.

A

2TB

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10
Q

Measures of bytes.

A
  • Kilobyte (KB) - 1,024 Bytes
  • Megabyte (MB) - 1,024 Kilobytes
  • Gigabyte (GB) - 1,024 Megabytes
  • Terabyte (TB) - 1,024 Gigabytes
  • Petabyte (PB) - 1,024 Terabytes
  • Exabyte (EB) - 1,024 Petabytes
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