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CompTIA A+ > The CPU > Flashcards

The CPU Flashcards

1
Q

Clock speed is measured in what?

A

Hertz

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2
Q

What is the frequency or speed of a component?

A

Clock rate

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3
Q

What is the base clock of the motherboard?

A

Bus speed

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4
Q

What type of type of socket accepts CPUs that have pins covering the majority of their underside?

A

Pin Grid Array (PGA)

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5
Q

What type of socket uses lands that protrude out and touch the CPU’s contact points?

A

Land Grid Array (LGA)

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6
Q

Common LGA sockets

A

LGA775
LGA1155
LGA1156
LGA1366

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7
Q

Common AMD sockets

A 
940
AM2
AM2+
AM3
AM3+
FM1
F
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8
Q

What is a special high-speed memory that reduces the time the CPU takes to access data?

A

CPU cache

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9
Q

What level of cache is built into the CPU and gives fast access to the most frequently used data?

A

L1 cache

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10
Q

What level of cache serves the CPU with less frequently used data in comparison to L1 but still more frequently used the DRAM data?

A

L2 cache

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11
Q

What level of cache comes on the largest capacity of the three types of cache and has the most latency?

A

L3 cache

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12
Q

What technology enables a single CPU to accept and calculate two independent sets of instructions simultaneously, simulating two CPUs?

A

Hyperthreading

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13
Q

What technology contains two or more actual processor cores in one CPU package?

A

Multicore CPU

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14
Q

What signifies the maximum power that the computer’s cooling system needs to dissipate heat generated by the CPU?

A

Thermal Design Power (TDP)

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15
Q

Which of these is the speed of the CPU?

A. External clock speed
B. DMI transfer rate
C. Internal clock speed
D. Bus speed

A

C. Internal clock speed

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16
Q

Which of the following sockets work within an I7 processor?

A. AM2
B. 1366
C. 940
D. 775

A

B. 1366

17
Q

Which is the fastest cache memory?

A. L2
B. L3
C. HTTP
D. L1

A

D. L1

18
Q

What does hyper-threading do?

A. It gives you multiple cores within the CPU.
B. It enables for four simultaneous threads to be processed by one CPU core.
C. It enables for two simultaneous threads to be processed by one CPU core.
D. It is a high-speed connection from the CPU to RAM.

A

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

19
Q

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

A. Thermal jelly
B. Peanut butter and jelly.
C. 3-in-1 house oil
D. Thermal compound

A

D. Thermal compound

20
Q

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

A. FSB
B. TDP
C. MMX
D. TDK

A

B. TDP

21
Q

Which kind of socket incorporates lands to ensure connectivity to a CPU?

A. PGA
B. Chipset
C. LGA
D. Copper

A

C. LGA

22
Q

Which of these is a difference between clock speed and bus speed?

A. The clock speed is the external speed of the CPU; it is the same as the bus speed.
B. The clock speed matches the RAM speed.
C. The clock speed is the internal speed of the CPU.
D. The bus speed is the speed of the CPU.

A

C. The clock speed is the internal speed of the CPU.

23
Q

A customer’s liquid cooled system is intermittently overheating. What are possible reasons for this? (Select the two best answers)

A. Memory is overheating.
B. Air is trapped in the lines.
C. Power supply has failed.
D. Water pump is becoming faulty.
E. Hard drive is getting too much voltage.
A

B and D. The watercooled system could be caused to overheat due to a faulty water pump and air being trapped in the coolant lines.

24
Q

What is the big four of troubleshooting?

A

CPU, video card, RAM, and motherboard.

25
Q

When troubleshooting the CPU make sure to:

A

First check all connections and then make sure the fan, heat sink, and CPU are secure and installed properly.

26
Q

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

A. Case
B. Socket
C. Wattage Range
D. PCI slots

A

B. Socket

27
Q

You are trouble shooting 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?

A. Check the BIOS.
B. Check connections.
C. Remove the CPU.
D. Test the motherboard with a multimeter.

A

B. Check connections

28
Q

You have installed the CPU and heat sink/fan assembly. What should you do next?

A. Apply thermal compound.
B. Boot the computer.
C. Plug in the fan.
D. Replace the BIOS jumper shunt.

A

C. Plug in the fan

29
Q

What is a possible symptom of a failing CPU?

A. CPU is beyond the recommended voltage range.
B. Computer won’t boot.
C. The BIOS reports low temperatures within the case.
D. Spyware is installed into the browser.

A

A. CPU is beyond the recommended voltage range.

30
Q

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 the most likely cause?

A. The mouse is not plugged in.
B. The operating system is corrupted.
C. The CPU is not properly seated.
D. The fan is running too fast.

A

C. The CPU is not properly seated.

CompTIA A+ (18 decks)

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