CompTIA A+ Core 1 > Memory > Flashcards

Memory Flashcards

(15 cards)

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1
Q

A special-purpose memory used by graphics controllers is referred to as:

A
  • Video Random-Access Memory (VRAM)
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2
Q

A 32-bit system typically provides RAM support for up to:

A
  • 4GB
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3
Q

What is the theoretical limit of addressable RAM for a 64-bit CPU?

A
  • 16 Million TB
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4
Q

Decribe what each of the items below stand for

  • SRAM
  • DRAM
A
  • Static Random-Access Memory
  • Dynamic Random-Access Memory
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5
Q

Which is faster? SRAM or DRAM?

A

SRAM

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6
Q

SRAM is normally used for CPU cache memory chips (T/F)

A

True

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7
Q

What does DDR stand for?

A

Double Data Rate

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8
Q

Certain types of RAM take advantage of an additional bit in order to detect whether a data error has occurred

  • What is this bit called?
  • What Type of RAM includes this bit?
A
  • Parity Bit
  • ECC Type
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9
Q

DDR1

  • What is the MAX memory capacity (per Module)
  • How many pins for DIMM?
  • How many pins for SODIMM?
A
  • 1GB per Module
  • 184 (DIMM)
  • 200 Pins (SODIMM)
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10
Q

DDR2

  • What is the MAX memory capacity (per Module)
  • How many pins for DIMM?
  • How many pins for SODIMM?
A
  • 8GB per Module
  • 240 (DIMM)
  • 200 Pins (SODIMM)
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11
Q

DDR3

  • What is the MAX memory capacity (per Module)
  • How many pins for DIMM?
  • How many pins for SODIMM?
A
  • 16 GB per Module
  • 240 (DIMM)
  • 204 Pins (SODIMM)
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12
Q

DDR4

  • What is the MAX memory capacity (per Module)
  • How many pins for DIMM?
  • How many pins for SODIMM?
A
  • 32 GB per Module
  • 288 Pins (DIMM)
  • 260 Pins (SODIMM)
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13
Q

DDR5

  • What is the MAX memory capacity (per Module)
  • How many pins for DIMM?
  • How many pins for SODIMM?
A
  • 48 GB per Module
  • 288 (DIMM)
  • 260 Pins (SODIMM)
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14
Q

SDRAM DD3 is backwards compatible, while DDR4 nd DDR5 are not (T/F)

A

True

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15
Q

What are 2 characteristics of RAM most commonly used in desktop PCs?

A
  • Non-ECC Memory
  • Dynamic RAM
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CompTIA A+ Core 1
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