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3 years ago

Select all that apply.

Computers and Technology

2 answers:

Nady [450]3 years ago

5 0

1 and 2 since it says does not

ryzh [129]3 years ago

4 0

Answer:

1. Using long words and sentences to impress your reader

2. Using all capital letters to draw attention to your message

Explanation:

When we're writing a message, we want to make sure that the person we are sending it to will understand it. It's important that we think about the purpose of the message before we start writing it, organize the message around one clear main idea (the purpose), and review it before sending it so that we can correct any mistakes we could've made.

Using long words and sentences and using all capital letters is counterproductive. It's hard to keep track of what we are reading when the words and sentences are too long, so it's better to use shorter, more understandable sentences. We are used to most of the letters being written in the lower case, which is how it should be. Capital letters are distracting, which makes the message harder to read.

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Computer system with a 32-bit logical address and 4k-byte page size. assume that each entry of a page table consists of 4bytes.

Annette [7]

The number of bits in the physical address is 26 bits. The number of entries in a page table is $\mathbf{2^{20}}$ entries. The size of the page table in a one-level paging scheme is 4MB.

<h3>
What is paging in Operating System?</h3>

Paging is a storage method used in operating systems to recover activities as pages from secondary storage and place them in primary memory. The basic purpose of pagination is to separate each procedure into pages.

We are given the following parameters:

32-bit logical address
Page size = 4 KB = $\mathbf{2^{12} \ bytes }$
Size of each Page table entry = 4 bytes

Suppose the system supports physical memory size = 64 MB = $\mathbf{2^{26} \ bytes}$

Thus, the number of bits in the physical address is computed as:

= $\mathbf{log_2 \{Physical-memory-size\}}$

$=\mathbf{log_2(2^{26})}}$

= 26 bits

The number of entries in a page table = logical address space size/page size

The number of entries in a page table $\mathbf{= \dfrac{2^{32}}{2^{12}}}$

$\mathbf{=2^{20}}$ entries

In a one-level paging scheme, the size of the table is:

= entire no. of page entries × page table size

= $\mathbf{2^{20}\times 4 \ bytes}$

= 4 MB

suppose that this system supports up to 2^30 bytes of physical memory.

The size of the page table will be the same as 4 MB due to the fact that the number of entries, as well as, the page table entry size is the same.

Since the size of the page table surpasses that of a single page. A page cannot include a whole page table. Therefore, the page table must be broken into parts to fit onto numerous pages, and an additional level of the page table is required to access this page table.

This is called the Multi-Level Paging system.

Therefore, we can conclude that the number of bits in the physical address is 26 bits, the number of entries in a page table is $\mathbf{2^{20}}$ entries, and the size of the page table in a one-level paging scheme is 4MB.

Learn more about Paging in Operating System here:

brainly.com/question/17004314

#SPJ1

4 0

2 years ago

In Python please.

SOVA2 [1]

Answer:

negatives = []

zeros = []

positives = []

while True:

number = input("Enter a number: ")

if number == "":

break

else:

number = int(number)

if number < 0:

negatives.append(number)

elif number == 0:

zeros.append(number)

else:

positives.append(number)

for n in negatives:

print(n)

for z in zeros:

print(z)

for p in positives:

print(p)

Explanation:

Initialize three lists to hold the numbers

Create a while loop that iterates until the user enters a blank line

Inside the loop:

If the number is smaller than 0, put it in the negatives list

If the number is 0, put it in the zeros list

Otherwise, put the number in the negatives list

When the while loop is done, create three for loops to print the numbers inside the lists

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Nonamiya [84]

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zhannawk [14.2K]

Answer: it will be greater by $2.6 billion

Explanation:

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4 years ago

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Andre45 [30]

Answer:

e means we don't know so I can't tell the answer

5 0

3 years ago