COMPUTERS AND TECHNOLOGY MIDDLE SCHOOL

An unwanted program that can spread itself to other computers is called what?

Answers

Answer 1
Answer: A computer virus is a harmful code that can "infect" other computer systems.
Answer 2
Answer: Malware or virus is an unwanted program that is downloaded to your computer.

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Which type of file can be used to import data into a spreadsheet?

Answers

.xlsx / .xls: standard Excel formats. .xlt: Excel template. .xlsb: an Excel format written in binary instead of XML, which allows for the saving of extremely large spreadsheets faster than standard formats. .csv: comma-separated value (as in the first import example used above; can be read by any spreadsheet program).

text file  is a good way to import anything to a spread sheet

In the 219th meeting of the American Astronomical Society, what planet's borders were said to be recognizable from space? Hint: E____.

Answers

In the 219th meeting of the American Astronomical Society, it was said that "Earth" is the plant that's borders were recognizable from space. 
Former NASA astronaut John Grunsfeld said that these are visible in the form of environmental differences.

He busted a myth also that The Great Wall of China is visible from space, he denied it.

You can change the color of the value of a cell or the background color of the cell but not both.true or false?

Answers

This is false. You can change both the color of the value of a cell as well as the background color of the cell. The value of a cell is what is written inside it, for example numbers or letters. The background color of the cell is what is behind the text. There are two different buttons for these functions, and you can choose to change one, both, or neither of them. Normally, the default will be a white background with black letters or numbers, although there are many other options. Thus, the font of the value of a cell can differ from the color of the background.

Answer:

false

Explanation:

What is the difference between Windows 7 and Windows 10?

Answers

If you have windows 7 and then change to windows 10, you will see a lot of differences like Microsoft account integration, a new start menu, new apps and a windows store, Cortana and a task view bar, you get edge in windows 10, and most important desktop and security improvements
 Hope this helps!

Answer:

You get a bunch of  stuff such as a new start menu, new apps and a windows store, Cortana and a task view bar. But the most changes is in security.

Explanation:

What bus carries a status signal back to the CPU?

Answers

Answer:

The Bus that is used to carry the status signal from devices to CPU is called Control Bus.

Explanation:

There are three types of buses in computers

  1. Data Bus: It is the two way bus used for transportation of data between peripherals and CPU.
  2. Address Bus: It contains address of different devices and memory.
  3. Control Bus: It is used to carry status from devices to cpu.

1. Given two numbers, n and k ( 0< n, k <=12), generate all the pemutations taking k letters from n letters (nPk) considering first n small alphabets.2. Use the idea of backtracking (recursion).

Answers

It is 5jsjsjdhhdhdhdhdhdhdhdhdhd
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