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Chapter 7 (Quiz Questions)
Comptia A+ Guide to maintaining your PC, 7th Edition
64
Computer Networking
Undergraduate 1
04/05/2013

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Cards

Term
240 pins
Definition
How many pins are on a DDR3 DIMM?
Term
240 pins
Definition
How many pins are on a DDR2 DIMM?
Term
1
Definition
How many notches does a DDR 3 DIMM have?
Term
Gold or Tin
Definition
Which two metals might be used for the edge connectors of memory modules and memory in which slots they install?
Term
SDRAM DIMM
Definition
What was the first type of DIMM that ran synchronized with the system clock?
Term
It reads 2 clock cycles, so it runs twice as fast as regular SDRAM. Instead of processing with every beat, it processes at the top and bottom of each beat, thus increasing the speed by 2 times.
Definition
What major improvement did DDR make over regular SDRAM?
Term
Independently
Definition
When a DIMM has chips on both sides of the module, do the pins on one side of the mod- ule work independently or dependently to pins on the other side of the module?
Term
The notches do not line up therefor a DDR DIMM will not fit in a DDR2 DIMM slot
Definition
What prevents a DDR DIMM from being installed in a DDR2 DIMM slot on a motherboard?
Term
DDR3 DIMM
Definition
Which module, a DDR3 or DDR2 DIMM, uses lower voltage?
Term
That is supports ECC
Definition
In a memory ad for DIMMs, you notice 64Meg x72 for one DIMM and 64Meg x64 for
another DIMM. What does the 72 tell you about the first DIMM?
Term
Dual Ranked
Definition
A DIMM that contains memory chips in two memory banks on the module is said to be——.
Term
a single-ranked DIMM
Definition
Generally, which DIMM gives better performance, a single-ranked DIMM or a dual- ranked DIMM?
Term
DDR3 DIMMs
Definition
What type of DIMM supports triple channeling?
Term
800MHz
Definition
What is the speed rating in MHz for a DIMM that has a PC rating of PC2-6400?
Term
Yes
Definition
If two bits of a byte are in error when the byte is read from ECC memory, can ECC detect the error?
Term
The computer displays an error message and comes to a halt
Definition
When parity memory detects an error, what happens?
Term
2
Definition
How many notches are on an SDRAM DIMM?
Term
You look at the notch on the right side
Definition
Looking at an SDRAM DIMM, how can you know for certain the voltage needed by the module?
Term
CAS Latency is 5
Definition
A DIMM memory ad displays 5-5-5-15. What is the CAS Latency value of this DIMM?
Term
4GB
Definition
What is the most amount of RAM that can be used by a 32-bit installation of Windows
XP Professional?
Term
Yes
Definition
A motherboard uses dual channeling, but you have four DIMMs available that differ in size. The motherboard supports all four sizes. Can you install these DIMMs on the board?
Term
Modules communicate their size, speed, voltage, and data path width to BIOS at start up.
Definition
What is the purpose of the memory technology called SPD?
Term
C-RIMM
Definition
You need to upgrade memory on a motherboard that uses RIMMs. You notice one RIMM and
one C-RIMM module are already installed on the board. Which module should you replace?
Term
SDRAM and DDR SDRAM
Definition
What types of memory can be used on a 100-MHz motherboard?
Term
4
Definition
How many 30-pin SIMMs are installed in one bank?
Term
2
Definition
How many 72-pin SIMMs are installed in one bank?
Term
CL3
Definition
Which is faster, CL3 memory or CL5 memory?
Term
PC3200
Definition
You are looking to purchase two DIMMs running at 400 MHz. You find DIMMs advertised at PC4000 and PC3200. Which do you purchase?
Term
MSinfo32
Definition
You need to find out how much RAM is installed in a system. What command do you enter in the Vista Start Search box or the XP Run dialog box to launch the System Information utility?
Term
ECC is more dependable
Definition
Although ECC memory costs more than non-ECC memory, why would you choose to use it?
Term
DDR2 DIMM
Definition
What type of DIMM is assigned a PC2 rating?
Term
No
Definition
If two bits of a byte are in error when the byte is read from ECC memory, can it fix the error?
Term
No
Definition
A motherboard uses dual channeling, but you have four DIMMs available that differ in size. The motherboard supports all four sizes, Will dual channeling be enabled?
Term
No
Definition
If your motherboard supports DIMM memory, will RIMM memory still work on the board?
Term
Random access
Definition
____ memory temporarily holds data and instructions as the CPU processes them.
Term
DRAM and SRAM
Definition
RAM is divided into two categories, ____
Term
SRAM
Definition
____ is used for a memory cache and is contained within the processor housing.
Term
Dynamic RAM
Definition
____ loses its data rapidly, and the memory controller must refresh it several thousand times a second.
Term
DIMMs
Definition
RAM on motherboards today is stored on ____
Term
SO-DIMM
Definition
Laptops use a smaller version of a DIMM called a(n) ____
Term
DIMM
Definition
A(n) ____ gets its name because it has independent pins on opposite sides of the module.
Term
ECC
Definition
DIMMs intended to be used in servers must be extremely reliable and use an error-checking technology called ____.
Term
parity
Definition
If the number of bits is not an odd number for odd parity or an even number for even parity, a ____ error occurs.
Term
RIMM
Definition
A Rambus memory module is called a(n) ____.
Term
nanoseconds
Definition
SIMMs are rated by speed, measured in ____.
Term
Insufficient memory
Definition
When Windows does not have adequate memory to perform an operation, it gives a(n)
“____” error or it slows down to a painful crawl.
Term
RAM
Definition
To upgrade memory means to add more ____ to a computer.
Term
msinfo32
Definition
To use System Information, in the Vista Start Search box or the Windows XP Run box, type ____ and press Enter.
Term
component
Definition
In the table found in the motherboard manual, a chip on a RIMM module is called a ____.
Term
heat sinks
Definition
Higher-quality memory modules have ____ installed to reduce heat and help the module last longer.
Term
re-marked
Definition
If the chip’s surface is dull or matted, or you can scratch off the markings with a fingernail or knife, suspect that the chip has been ____.
Term
DIMM
Definition
For ____ modules, small clips latch into place on each side of the slot to hold the module in the slot.
Term
0
Definition
For RIMM modules, install the RIMMs beginning with bank ____.
Term
Channeling
Definition
If the motherboard supports dual ____________________, install matching DIMMs in each channel.
Term
Documentation
Definition
The motherboard ____________________ is essential when selecting memory.
Term
ID
Definition
Stamped on each chip of a RAM module is a chip ____________________ that identifies the date the chip was manufactured.
Term
POST
Definition
After installing each SIMM, turn on the PC and watch ____________________ count the amount of memory during the boot process.
Term
Unreliable
Definition
Recurring errors during normal operations can mean ____________________ memory.
Term
SRAM
Definition
Holds its data as long as the RAM has power
Term
DRAM
Definition
Loses its data rapidly
Term
MicroDIMMs
Definition
Used on subnotebook computers
Term
DDR3
Definition
Currently the fastest memory and can support triple or dual channels or be installed as a single DIMM
Term
72-pin SIMM
Definition
Must be installed two modules to a bank of memory
Term
30-pin SIMM
Definition
Must be installed four modules to a bank of memory
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