Computers And Technology Middle School

Brainliest for correct answer

Which of the following statements describes circuit boards?
They have billions of tiny switches.
They operate according to the decimal system.
They have been replaced in modern computers by hard drives.
They make the keyboard function properly.

Answers

Answer 1

Answer: A

Explanation: Been asked before.

Answer 2
A
Explain: I did this in a test

Related Questions

Which of these is an example of a Boolean value?
options A, B, or C
options A or B
option A
no options

Answers

I think it’s A because it’s a

"NOT"  is an example of the boolean operator. thus, option D is correct.

What is boolean operator?

Boolean Operators are simple words (AND, OR, NOT or AND NOT) used as conjunctions to combine or exclude keywords in a search, resulting in more focused and productive results.

The Proximity Operators can also helps you in searching. Here Using Proximity Operators for more details and examples.

The logical NOT operator takes truth to falsity and vice versa.

The logical NOT operator is typically used with boolean (logical) values.

Also When used with non-Boolean values, it returns false if its single operand can be converted to true ; otherwise, returns true.

Hence "NOT"  is an example of the boolean operator. thus, option D is correct.

Learn more about boolean operator here:

brainly.com/question/26680966

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The complete question is

Which option is an example of a Boolean operator?

O A. HTML

O B.

C. SEO

D. NOT

Searching for a particular record in a database is called “querying the data.”
True
False

Answers

Answer: True

Explanation: A database query is a request to access data from a database to manipulate it or retrieve it.

The answer is true


(Don’t mind this I have to add more characters)

Brainliest for correct answer

What does an iteration variable do?
link to the database
translate from decimal to binary
keep track of how many times a loop has executed
choose whether to run a conditional or count variable

Answers

Answer:

its the 4th sentence

Explanation:

D) Choose whether to run a conditional or count variable

Marta is creating a program that will guide the user through a series of physical exercises. She wants the program to coach the user to do 10 push-ups. Which kind of loop should be used?
a binary loop
a condition-controlled loop
a count-controlled loop
an interface loop

Answers

she should use a condition-controlled loop. Because it uses a True/False and it will not continue until the task is done
A condition controlled loop I’m pretty sure it’s that

3. A Person typed 180 words per 6 minutes with errors in 18 words. Find the gross speed ,Net
speed, and accuracy percentage of his typing.

Answers

3 errors per min per 30 words
Answer: 3 errors per minute per 30 words


Explanation:

brainliest for correct answer

Marta is creating a program that will guide the user through a series of physical exercises. She wants the program to coach the user to do 10 push-ups. Which kind of loop should be used?
a binary loop
a condition-controlled loop
a count-controlled loop
an interface loop

Answers

Answer:

a condition-controlled loop

Explanation:

count=1

do

   print(count)

   count+=1

while count <10

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