System Memory

Question 1

Used to load applications and files into a non-persistent and fast storage area

Answer 1

Random Access Memory (RAM)

Question 2

High-speed memory

Answer 2

Cache

Question 3

Mass storage device that holds more data but is slower than a cache

Answer 3

Storage

Question 4

Permanent storage area

Answer 4

Mass Storage Devices

Question 5

Temporary storage area/non-persistent storage

Answer 5

Random Access Memory (RAM) / System Memory

Question 6

Pulls the files from the disc into memory and replaces the old file

Answer 6

Disk Cache

Question 7

Uses an electronic system that can access the RAM with instant speed

Answer 7

Mechanical system

Question 8

Processor reaching the files inside RAM

Answer 8

Addressing Memory

Question 9

configuration where your CPU has access to a single 32 or 64-bit wide bus to access memory

Answer 9

Single Channel Memory Controller

Question 10

An x86 or 32-bit processor can address a maximum
of ___ of RAM

Answer 10

4GB

Question 11

An x64 or 64-bit processor can access _____ of RAM

Answer 11

8, 16, 32, or 64 GB

Question 12

RAM module with one set of memory chips that can be accessed by the memory controller at a time, limiting parallel data access compared to other designs
-Dual Inline Memory Module (DIMM)
o With 240 or 184-pin connector

Answer 12

Single Bank Memory Module

Question 13

Most common type of memory
● PC133
o 133 MHz

Answer 13

Dual Data Rate (DDR)

Question 14

Calculated based on the bus speed and the width of the data bus

Answer 14

Throughput

Question 15

Oldest type of memory that requires frequent refreshing
-storage cell is dynamic

Answer 15

Dynamic RAM (DRAM)

Question 16

▪ First memory module that operates at the same speed as the
motherboard bus (168-pin connector)
● PC66 (66 MHz bus)
● PC133 (133 MHz bus)
● PC266 (266 MHz bus)

Answer 16

Synchronous DRAM (SDRAM)

Question 17

Doubles the transfer speed of an SDRAM module (184-pin connector)

Answer 17

Double Data Rate Synchronous Dynamic Random-Access Memory (DDR SDRAM)

Question 18

Higher latency and has faster access to the external bus (240-pin
connector)
● PC2-4200
o 4200 MB/s or 4.2 GB/s

Answer 18

Double Data Rate 2 Synchronous Dynamic Random-Access Memory (DDR2 SDRAM)

Question 19

Runs at a lower voltage and at a higher speed than DDR2 (240 keyed pin connector)
● PC3-10600
o 10600 MB/s or 10.6 GB/s
-throughput is 6.4 to 17 GB/s with a maximum module size of 8GB
per memory module

Answer 19

Double Data Rate 3 Synchronous Dynamic Random-Access Memory (DDR3 SDRAM)

Question 20

Classified as DDR3, DDR4, or DDR5
-smaller form factor

Answer 20

Small Outline Dual In-line Memory Module (SODIMM)

Question 21

Uses two different memory modules to increase the performance and throughput

Answer 21

Multi-Channel Memory

Question 22

Uses one memory module on one bus (64-bit data bus)

Answer 22

Single-channel Memory

Question 23

Requires two memory modules and two memory slots on the
motherboard (128-bit data bus)
▪ Interleaving
● Provides increased performance

Answer 23

Dual-channel Memory

Question 24

Uses three memory modules and three memory slots (192-bit
data bus)

Answer 24

Triple-Channel Memory

Question 25

Uses four memory modules and four memory slots (256-bit data
bus)

Answer 25

Quad-Channel Memory

Question 26

Gives faster speeds and add memory for storage

Answer 26

multiple modules

Question 27

Standard memory that does not check for errors and allows data to be put in or taken out

Answer 27

Non-Parity Memory

Question 28

Performs basic error checking and ensures the memory contents are reliable
● does basic calculation
o Every bit has an associated parity bit
▪ Bits can only be a zero or one

Answer 28

Parity Memory

Question 29

Detects and corrects an error
-some motherboards will support this

Answer 29

Error Correcting Code (ECC

Question 30

Additional hardware (register) between memory and CPU
● The system requires buffering or registering the data to reduce
the electrical load

Answer 30

Buffered / Registered Memory

Question 31

Has an internal error checking for its modules
● can still be sold as ECC or non-ECC modules

Answer 31

DDR5

Question 32

Space on a hard drive that is allocated by the OS and pretends to be
memory
● Check the available memory and the free memory

Answer 32

Virtual Memory/Page File

Question 33

A file that is hidden on a storage device and pretend as system memory

Answer 33

Page File or Swap Space