Whats the answer to 9? i really need help with this in the next 20 minutes. ty if u help me!

Given six memory partitions of 100 MB, 170 MB, 40 MB, 205 MB, 300 MB, and 185 MB (in order), how would the first-fit, best-fit,

nlexa [21]

Answer:

We have six memory partitions, let label them:

100MB (F1), 170MB (F2), 40MB (F3), 205MB (F4), 300MB (F5) and 185MB (F6).

We also have six processes, let label them:

200MB (P1), 15MB (P2), 185MB (P3), 75MB (P4), 175MB (P5) and 80MB (P6).

Using First-fit

P1 will be allocated to F4. Therefore, F4 will have a remaining space of 5MB from (205 - 200).
P2 will be allocated to F1. Therefore, F1 will have a remaining space of 85MB from (100 - 15).
P3 will be allocated F5. Therefore, F5 will have a remaining space of 115MB from (300 - 185).
P4 will be allocated to the remaining space of F1. Since F1 has a remaining space of 85MB, if P4 is assigned there, the remaining space of F1 will be 10MB from (85 - 75).
P5 will be allocated to F6. Therefore, F6 will have a remaining space of 10MB from (185 - 175).
P6 will be allocated to F2. Therefore, F2 will have a remaining space of 90MB from (170 - 80).

The remaining free space while using First-fit include: F1 having 10MB, F2 having 90MB, F3 having 40MB as it was not use at all, F4 having 5MB, F5 having 115MB and F6 having 10MB.

Using Best-fit

P1 will be allocated to F4. Therefore, F4 will have a remaining space of 5MB from (205 - 200).
P2 will be allocated to F3. Therefore, F3 will have a remaining space of 25MB from (40 - 15).
P3 will be allocated to F6. Therefore, F6 will have no remaining space as it is entirely occupied by P3.
P4 will be allocated to F1. Therefore, F1 will have a remaining space of of 25MB from (100 - 75).
P5 will be allocated to F5. Therefore, F5 will have a remaining space of 125MB from (300 - 175).
P6 will be allocated to the part of the remaining space of F5. Therefore, F5 will have a remaining space of 45MB from (125 - 80).

The remaining free space while using Best-fit include: F1 having 25MB, F2 having 170MB as it was not use at all, F3 having 25MB, F4 having 5MB, F5 having 45MB and F6 having no space remaining.

Using Worst-fit

P1 will be allocated to F5. Therefore, F5 will have a remaining space of 100MB from (300 - 200).
P2 will be allocated to F4. Therefore, F4 will have a remaining space of 190MB from (205 - 15).
P3 will be allocated to part of F4 remaining space. Therefore, F4 will have a remaining space of 5MB from (190 - 185).
P4 will be allocated to F6. Therefore, the remaining space of F6 will be 110MB from (185 - 75).
P5 will not be allocated to any of the available space because none can contain it.
P6 will be allocated to F2. Therefore, F2 will have a remaining space of 90MB from (170 - 80).

The remaining free space while using Worst-fit include: F1 having 100MB, F2 having 90MB, F3 having 40MB, F4 having 5MB, F5 having 100MB and F6 having 110MB.

Explanation:

First-fit allocate process to the very first available memory that can contain the process.

Best-fit allocate process to the memory that exactly contain the process while trying to minimize creation of smaller partition that might lead to wastage.

Worst-fit allocate process to the largest available memory.

From the answer given; best-fit perform well as all process are allocated to memory and it reduces wastage in the form of smaller partition. Worst-fit is indeed the worst as some process could not be assigned to any memory partition.

8 0

3 years ago

Your location has been assigned the 172.149.254.0 /24 network. You are tasked with dividing the network into 13 subnets with the

ira [324]

The subnet mask would be a 32-bit integer which is formed by assigning the host bits to all 0's and the networking bits to so many 1's.
In this method, the subnetting separates the IP address between host and network addresses.
The subnet mask covers an IP address with its 32-bit number, thus the term "mask".

Given:

Network IP address $\bold{= 172.149.254.0 /24}$

Subnet numbers $\bold{= 13}$

Calculating the borrow bits:

$\to \bold{= ceil(\log_{2} 13) = 4 \ bits}$

a)

Calculating the dotted decimal value for the subnet mask:

$\to \bold{11111111.11111111.11111111.00000000}\\\\\to \bold{255.255.255.240}\\\\$

b)

The additional bits which will be needed to mask the subnet mask that is = 4.

Learn more: brainly.com/question/2254014

4 0

3 years ago

Although a tablet can connect to a cellular network, it cannot be used as a

Misha Larkins [42]

Answer:

A tablet can have mobile data such as MetroPCS. But the tablet can not make phone calls or texts.

7 0

3 years ago

Read 2 more answers

What is the use of an NDP?

Makovka662 [10]

Answer:

It defines five ICMPv6 packet types for router solicitation,router advertisement,neighbor solicitation,neighbor advertisement,and network redirects.

Explanation:

8 0

2 years ago

PLTW IM Chapter 1.2-1.3 i need this please

Luden [163]

Answer:

Biomedical Science

The application of the principles of the natural sciences, especially biology and physiology to clinical medicine

Control group

The group in an experiment where the independent variable being tested is not applied so that it may serve as a standard for comparison against the experimental group where the independent variable is applied.

Dependent Variable

The measurable affect, outcome, or response in which the research is interested.

Experiment

A research study conducted to determine the effect that one variable has upon another variable

Forensic Science

The application of scientific knowledge to questions of civil and criminal law

Hypothesis

Clear prediction of anticipated results of an experiment

Independent Variable

The variable that is varied or manipulated by the researcher

Negative control

Control group where the conditions produce a negative outcome. Negative control groups help identify outside influences which may be present that were not accounted for when the procedure was created

Personal protective equipment

Specialized clothing or equipment, worn by an employee for protection against infectious materials.(as defined by OSHA)

Positive control

Group expected to have a positive result, allowing the researcher to show that the experiment set up was capable of producing results.

Adenine

A component of nucleic acids, energy carrying molecule such as ATP, and certain co enzymes. Chemically it is a purine base.

Chromosome

Any of the usually linear bodies in the nucleus that contain genetic material.

Cytosine

A component of nucleic acids that carries hereditary information in DNA and RNA in cells . Chemically it is a pyrimidine base.

Deoroxyribonucleic acid

A double-stranded helical nucleic acid molecule capable of replicating and determining the inherited structure of a cell proteins

Gel electrophoresis

The separation of nucleic acids or proteins, on the basis of their size and electrical charge, by measuring their movement through an electrical field in a gel.

Gene

A discrete unit of hereditary information consisting of a specific nucleotide sequence in DNA.( or RNA in some viruses).

Guanine

A component of nucleic acids that carries hereditary information in DNA and RNA in cells. Chemically it is a purine base.

Helix

Something in spiral form.

Model

A simplified version of something complex used, for example, to analyze and solve problems or make predictions.

Nucleotide

A building block of DNA, consisting of a 5 carbon sugar convalently bonded to a nitrogenous base and a phosphate group.

Restriction enzymes

A degradative enzyme that recognizes specific nucleotide sequences and cuts up DNA

Restriction fragment length polyphorisms (RFLPs)

Differences in DNA sequences on homologous chromosomes that can result in different patterns of restriction fragment lengths (DNA segments resulting from treatment with restriction enzymes)

Thymine

A component of nucleic acid that carries hereditary information in DNA cells. Chemically, it is a pyrimidine base

Autopsy

An examination of the body after death usually with such dissections as will expose the vital organs for determining the cause of death

Bibliography

a document showing all the sources used to research information

Citation

A written reference to a specific work by a particular author or creator which identifies the document in which the work may be found

Documentation

The act of creating citations to identify resources used in writing a work

Health Insurance Portability and Accountability Act (HIPAA)

A comprehensive set of standards and practices designed to give patients specific rights regarding their personal health information

Medical examiner

A physician who performs an autopsy when death may be accidental or violent. He/she may also serve in some jurisdictions as the coroner.

Explanation:

This is what I found when I searched up pltw chapter 1.2-1.3 answers.

I did this because there was not really a question in there.

PS:

I'm sorry if this is too long for you to read.

Give me brainliest, if you want to, that is.

7 0

2 years ago