Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Comptia A+ Certification > Chapter3: CPUs > Flashcards

Chapter3: CPUs Flashcards

1
Q

What is binary

A

Binary is the language of the hardware in computers. It is the fluctuation of voltage in a pattern.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is an external data bus

A

Primary data route in a pc

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is a register?

A

Worktable of the cpu. Process internal functions AX BX CX DX

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the cpu codebook?

A

Provides instructions as to what the patterns of 1s and 0s mean and what they do

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the clock wire

A

A wire in which if a minimum amount of voltage is applied to tells the CPU when to start and to end.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is clock speed

A

How ever many instructions per second a cpu is capable of doing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What does the system crystal do?

A

determines the speed of the cpu and all other components it is soldered onto the motherboard

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

where does the system crystal send its signals first

A

clock chip that adjusts the pulse then sends it to the clock wire to the cpu pushing the system along

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What does overclocking do

A

Adjusts the speed of the clock chip to send more instructions per second than factory to make the computer run faster

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

how is data in memory stored

A

lines of 8 1s and 0s

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Where is the program stored

A

HDD

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Why dont we send data from the HDD straight to the cpu?

A

too slow need something faster (memory)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What type of RAM is used for the main system memory?

A

DRAM (Dynamic Random Access Memory)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Why is DRAM dynamic?

A

Requires a constant source of electricity and periodic refreshed to keep memory

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is needed for the cpu to retrieve and store data onto RAM?

A

A chip that acts as in intermediary to select which row and which data will be pulled

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the address bus?

A

The address bus connects the CPU into the chip which retrieves information from RAM an the chip puts the data onto the External Data Bus

17
Q

What determines how much ram a cpu can handle?

A

How many wires are on the address bus which determines the possible on off patterns which can point to a determined cell in ram.

18
Q

What is TDP?

A

Thermal Design Power

19
Q

How were clock speed multipliers set in the olden days?

A

Jumpers or dual inline package switches on the motherboard

20
Q

What is the newfangled method the motherboard determines the clock speed multipliers?

A

CPUID (CPU Identifier) aka automatically… you can override these automatic settings by overclocking

21
Q

What makes a cpu 64-bit?

A

The CPU supports 64 address bus bits which supports a huge amount of ram making the system able to go beyond the 32 bit 4GB limit.

22
Q

What is it called when a CPU can execute multiple lines of code at once?

A

Parallel execution

23
Q

What is pipelining?

A

Each stage of the execution process within the CPU gets done and passed to the next stage while the previous stage picks up another part to work on instead of waiting for every stage to be done to start again.

24
Q

What is the step involved with complex math in a CPU called?

A

Floating Point Unit

25
Q

What is the step involved with simple math in a CPU called?

A

Integer Unit

26
Q

what is caching?

A

The CPU stores data for later user locally rendering the need to retrieve the data again from RAM obsolete?

27
Q

What kind of RAM is Cache in CPUs?

A

SRAM (Static RAM)

28
Q

What is the difference between L1, L2, and L3 cache?

A

The CPU checks L1 cache first then L2 then L3

29
Q

What is the frontside bus?

A

EDB and Address Bus

30
Q

What is the Backside Bus?

A

Connection between the CPU and L2 Cache

31
Q

Where is L1 cache located?

A

In the CPU

32
Q

What is multi-threading?

A

Run multiple pipelines at the same time improving the efficiency of the CPU

33
Q

What is multicore processing?

A

Putting more than 1 CPU on a dye

34
Q

What is the IMC

A

Moved the MCC onto the CPU and supports a specified limit of RAM depending on the CPU

35
Q

What is DEP?

A

Data execution prevention. Protects certain areas of memory with sensitive OS files from malicious software. Nx bit tech

36
Q

What must you do if you mess up an overclock and the Computer fails to start?

A

reset bios setting by using a jumper on the motherboard

Comptia A+ Certification (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions