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Contact [7]
3 years ago
9

Select the correct answer. Cerise is explaining computer viruses to her students. What is the best way for her to explain a comp

uter virus? A. It is a programming error that crashes the system. B. It is a code that creates multiple copies on loading and damages the system. C. It is a type of advanced operating system used by organizations. D. It is a code that protects computers from malware attacks.
Computers and Technology
1 answer:
Anna [14]3 years ago
3 0

Answer:

B. it is a code that creates multiple copies on loading and damages the system

Explanation:

it is a app which they send to you on your computer or mobile phone

maybe click this link you will get free gift

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How is binary used in pixels and in sound?
FinnZ [79.3K]

Answer:

Sound needs to be converted into binary for computers to be able to process it. To do this, sound is captured - usually by a microphone - and then converted into a digital signal. The samples can then be converted to binary. They will be recorded to the nearest whole number.

Explanation:

is this it?

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Which type of network allows backups and network security to be centrally located?
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Answer:

B

Explanation:

B is the answer.

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1 year ago
_______________ are distinguished from microcontrollers by their complexity and increased on-chip resources.A. Systems on a chip
weeeeeb [17]

Answer:

the correct option is (A)

Explanation:

According to the given scenario, the system on a chip is a chip that is different from the microcontrollers in terms of complexity and rise on the chip resources

The system on a chip is a circuit i.e. integrated most the computer things

hence, the correct option is (A).

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3 years ago
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What are the primary functions of motor oil? a. Reduce friction and prevent wear b. Keep engine surfaces clean c. Remove heat to
ryzh [129]

The answer is E: all of the above.

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3 years ago
Consider an error-free 64 kbps satellite channel used to send 512 byte data frames in one direction, with very short acknowledge
Vladimir [108]

Answer:

The answer is "2".

Explanation:

In the given question some information is missing, that is "The propagation time for satellite to earth" which is "270 milliseconds" so, the description to this question can be defined as follows:

Given values:

Bandwidth = 64 kbps

Data frames = 512 bytes  

Propagation Time (t​​​​​​p ) =270 ms

Change Bandwidth  kbps to bps:

1 kb= 1024 bytes

calculated bandwidth= 64 kbps = 64×1024 bps = 65536 bps

1 bytes = 8 bits

512 bytes = 512 × 8 =  4096 bits

Frame length = 4096 bits

Formula

Transmission time (T​​​​​​t) = Frame length /Bandwidth

Window size = 1+2a

where a = Propagation time/Transmission time

Calculate Transmission time:

Transmission time (T​​​​​​t) = 4096 / 65536

Transmission time (T​​​​​​t)= 625 m.sec

Calculate Window size:

Window size = 1+2(270/625)

Window size = 1+2(0.432)

Window size = 1+0.864

Window size = 1.864

Window size = 2

3 0
3 years ago
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