Ch3 CPU

Question 1

PGA

Answer 1

Pin Grid Array socket which accept CPUs with pins that fit into the sockets pin holes.

Used by many AMD CPUs

Question 2

L1 Cache

Answer 2

Level 1 Cache which is built onto CPUs and is the fastest form of cache.

Question 3

L4 Cache is the same as main memory? (T or F)

Answer 3

False, L4 is its own cache on highend systems / servers.

Question 4

Two CPUs used in LGA1366 Socket

Answer 4

1. Core i7
2. Xeon

Question 5

L2 Cache

Answer 5

Level 2 Cache built into CPU which is accessed after L1 Cache and feeds the L1 Cache.

Question 6

Two CPUs used in AMD 940 Socket

Answer 6

1. Opteron
2. Athlon 64 FX

Question 7

clock rate

Answer 7

Frequency / speed of component measured in hz.

Aka clock speed or bus speed

Question 8

Three CPUs used in LGA1155 Socket

Answer 8

1. Core i7, i5, i3
2. Xeon
3. Pentium / Celeron

Question 9

L3 Cache

Answer 9

Level 3 Cache is the largest and slowest cache and is accessed after the L2, which is fed by the L3.

Question 10

Six Steps of the A+ CPU Installation Method

Answer 10

1. Select a CPU
2. Employ ESD precaution methods.
3. Ready the motherboard.
4. Install the CPU - Remember to use release lever/ retaining arm.
5. Test Installation.
6. Close case and monitor the system.

Question 11

Three Categories of Clock Speed

Answer 11

1. Motherboard bus speed.
2. External clock speed.
3. Internal clock speed.

Question 12

You have installed the CPU and heat/sink assembly.

What should you do next?

Answer 12

Plug in the fan.

Question 13

4 Intel LGA Sockets

Answer 13

1. 755
2. 1155 - replaced the 1156
3. 1156
4. 1366

Question 14

What seals the tiny gaps between the CPU cap and the heat sink?

Answer 14

Thermal Compound.

Question 15

A customer’s liquid cooled system is intermittingly overheating.

Give two possible reasons for this?

Answer 15

1. Trapped air in the lines.
2. Water pump is becoming faulty.

Question 16

internal clock speed

Answer 16

Internal frequency of the CPU which is usually the value shown in marketing materials.

internal clock speed = motherboard base clock x CPU multiplier

Question 17

external clock speed

Answer 17

Frequency of the front side bus which connects the Northbridge to the CPU.

Newer motherboards do not use anymore.

Question 18

You are troubleshooting a CPU and have already cut power, disconnected the power cable, opened the case, and put on your antistatic strap.

What should you do next?

Answer 18

Check the connections of the motherboard / CPU.

Question 19

When deciding on a CPU for use with a specific motherboard, what does it need to be compatible with?

Answer 19

The socket on the motherboard.

Question 20

Two CPUs used in AMD AM2 Socket

Answer 20

1. Athlon 64 x2
2. Athlon 64

Question 21

What does HyperThreading do?

Answer 21

It enables for two simultaneous threads to be processed by one CPU core.

Question 22

Which is the fastest cache memory?

Answer 22

L1 (Level 1 ) Cache

Question 23

Four CPUs used in AMD AM2+ Socket

Answer 23

1. Phenom II
2. Phenom
3. Athlon X2
4. Athlon 64

Question 24

Which socket only supports the i7 processor of the iLine?

Answer 24

LGA1366

Question 25

Multicore

Answer 25

CPU format where a single physical CPU will contain multiple CPU cores on a single chip.

Question 26

Six CPUs used in AMD AMD3 / AM3+ / FM1 / F / C32 / G34 Sockets

Answer 26

1. Phenom II 2. Sempron 3. Athlon II 4. FX 5. Llano 6. Opteron

Question 27

socket

Answer 27

Electrical interface between the CPU and the motherboard.

Question 28

Four CPUs used in LGA775 Socket

Answer 28

1. Core 2 Duoe 2. Core 2 Quad 3. Xeon 4. Pentium / Celeron.

Question 29

Three CPUs used in LGA1156 Socket

Answer 29

1. Core i7,i5,i3 2. Xeon 3. Pentium / Celeron

Question 30

What is a possible symptom of a failing CPU?

Answer 30

CPU is beyond the recommended voltage range.

Question 31

What is the amount of power required to cool the computer?

Answer 31

Thermal Design Power (TDP) aka Thermal Design Point.

Question 32

Which kind of socket incorporates "lands" to ensure connectivity to the CPU?

Answer 32

Land Grid Array (LGA)

Question 33

Six AMD PGA Sockets

Answer 33

1. 940 2. AM2 3. AM2+ 4. AM3 5. AMD3+ 6. FM1

Question 34

motherboard bus speed

Answer 34

Base clock speed of the motherboard.

Question 35

HyperThreading

Answer 35

Intel's instruction set that allows a single CPU to accept and calculate two independent sets of instructions simultaneously which is present in Pentium 4s and the new i3, i5, i7's.

Question 36

You just completed a CPU installation. However, when you turn on the computer, the POST sounds a series of beeps, and the system won't boot. What is most likely the cause?

Answer 36

The CPU is not properly seated (also there could be a RAM issue).

Question 37

LGA

Answer 37

Land Grid Array Socket use "lands" that protrude from the socket and touch contact points on the CPU. Better power distribution and less chance of damaging CPU. Commonly used on Intel Motherboards.

Question 38

Where is thermal paste / compound applied to : CPU Cap or Heat Sink?

Answer 38

Apply thermal paste to CPU Cap and not heat sink.

Question 39

What is the difference between clock speed and bus speed?

Answer 39

Clock speed is referred to the CPUs internal clock speed and the bus speed refers to the motherboards clock rate or front side bus speed.

Question 40

What is another name for the speed of the CPU?

Answer 40

Internal Clock Speed

Question 41

Four A+ CPU Troubleshooting Steps

Answer 41

1. Check the big four (CPU, RAM, Video Card, Motherboard) for compatibility. 2. Fan is connected and functional. 3. Heat Sink is connected properly. 4. CPU installed properly with correct orientation and flush in the socket.

Question 42

Thermal Design Power

Answer 42

The maximum power that the computer's cooling system needs to dissipate heat generated by the CPU.