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3 years ago

What statement best describes operating systems?

Computers and Technology

1 answer:

arlik [135]3 years ago

6 0

Answer: D) Operating Systems manage the computer's random access memory (RAM)

Explanation:

It's not A because all modern computers use some form of an Operating System.

It's not B because some Operating Systems can cost hundreds of dollars.

While C has some truth to it, it's reversed. Operating Systems are there to manage and allocate system resources, and D is the better choice.

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Write a 5 – 7+ sentence paragraph about Thanksgiving that DOES NOT use the letter “t.”

Norma-Jean [14]

A period in all of our lives which is recognizing a major bond including family and friends. When summer concludes, a new season comes around bringing a cold, and chilly breeze which is fall. Fall is a special season because occurrences such as leaves falling from conifers, looking for a good pumpkin in the pumpkin field, or simply enjoying your family and friends company. Drinking warm drinks such as coffee and baking cookies can help you embrace such an amazing season. When fall rolls around, Always be aware of nearby occurrences which can bring you joy during a cold season such as fall.

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3 years ago

Which keys can be pressed to change the cuboid/frame selector color on remotasks lidar course

Dmitry_Shevchenko [17]

Answer:

c h b l

color palette and a lightbulb

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3 years ago

What data type or you use to represent true or false values?

vfiekz [6]

The Boolean type is used to represent true or false values

3 0

2 years ago

Can you help me with these AP Computer Science Questions. (THIS IS DUE BY 1:30 PM today) you have to evaluate the Boolean Expres

vfiekz [6]

Answer + Explanation:

'and' -> both statements are 'True' to evaluate as 'True'.

'or' -> at least one statement is 'True' to evaluate as 'True'.

1. True (grade has the value of 82, so the statement evaluates to 'True').

2. True (Both statements are true, this expression evaluates to 'True').

3. False (Both statements are false, this expression evaluates to 'False').

4. True (the != operator means not equal. Since the 'name' variable holds the string 'Rumpelstiltskin', name != 'Rumpelstiltskin' evaluates to 'False'. The 'not' operator returns the opposite of the given Boolean expression, so this expression evaluates to 'True').

5. True (name == 'Rumpelstiltskin' evaluates to 'True', so this expression is true).

6. False (All statements evaluate to 'False').

7. True (All statements evaluate to 'True').

8. False (All statements evaluate to 'True' except for not(x == - 3) which evaluates to 'False', so the whole statement now becomes false).

9. True (grade+5 < 90 and grade >= 80 evaluates to 'True', so this whole expression becomes true).

10. True (grade > 0 and x % 2 == 1 evaluates to 'True')

Hope this helps :)

7 0

3 years ago

Given the following code fragment and the input value of 4.0, what output is generated?

kicyunya [14]

Answer:

c) 4.4

Explanation:

You can evaluate step by step the code. You know tha your input is 4.0

Step 1 Variables definitions:

double tax;

double total;

Step 2 Ask the user for the input:

System.out.print("Enter the cost of the item");

Step 3 read de input:

total = scan.nextDouble();

Step 4 evaluate the condition ( is the input greater or equal than 3.0 ? [True])

if ( total >= 3.0)

Step 5 get done the operations inside the condition and print it:

tax = 0.10;

System.out.println(total + (total * tax));

4 0

3 years ago