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3 years ago

Two forms of compression are lossy and lossless. State giving reasons which

Computers and Technology

1 answer:

Helen [10]3 years ago

4 0

Answer:

(i) When transmitting a draft manuscript for a book, the lossless compression technique is most suitable because after decompression, the data is rebuilt and restored in its form as it was from where it originated

(ii) When transmitting a video recording which you have made of the school play, a lossy compression technique is most suitable because the large size of video files require the increased data carrying capacity which is provided by the lossy transmission technique. The quality of the video can be reduced without affecting the message intended to be delivered

Explanation:

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A typical analog cell phone has a frequency of 850 mhz; a digital phone a frequency of 1950 mhz. compared to the signal from an

Zepler [3.9K]

A higher frequency than the analog cell phone.

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4 years ago

What can be used to store data, plant viruses, or steal data?

SCORPION-xisa [38]

Answer:

<u>ITS A SIMPLE ANSWER BUT THE PROBLEM IS TOO BIG!</u>

Explanation:

The phishing email might contain a link which on clicking will take you to a fake web page. For example, the link might take you to a fake bank website which looks very legitimate but in reality is just a lookalike. If the victim falls for the scam and enters his/her account details on the website, the details will actually go to the hacker's server instead of going to the bank and the hacker will have all the information that the victim has provided on the website.

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3 years ago

4. Refer to the following code the answer the remaining questions. loop: load r1, r5, 40 ; r1  data_memory[r5 + 40] add r1, r1,

Anni [7]

Answer:

See explaination

Explanation:

Loop Unrolling

Assembly code

loop:

load r1, r5, 40 //r1 = Mem[r5 + 40]

load r6, r5, 36 //r6 = Mem[r5 + 36]

add r7, r6, r2 //r7 = r6 + r2

store r7, r5, 36 //Mem[r5 + 36] = r7

add r1, r1,r2 //r1 = r1 + r2

store r1, r5, 40 //Mem[r5 + 40] = r1

addi r5, r5, -8 //r5 = r5 -8

bne r5, 0, loop //if(r5 != 0)branch to loop

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4 years ago

Use the ________ property when elements overlap to specify which element should be on top.

spin [16.1K]

Layers property is the answer if u are talking about DevTools

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3 years ago

"During the _____ of the systems development life cycle (SDLC), an information system is operating, enhancements and modificatio

zheka24 [161]

Answer:

Maintenance Phase

Explanation:

Maintenance Phase -

It refers to the phase in the system development life cycle , where alterations are done in the documentation , software and hardware in order to support the operational effectiveness , is referred to as the maintenance phase .

The phase requires , correct problems , increase security etc.

Hence , from the given information of the question ,

The correct answer is maintenance phase .

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3 years ago