COMPUTER STUDIES
31.
Which of the following information
ages lasted between the end of
Bronze age and the spread of Roman
Empire?
A.
B.
C.
D.
E.
Electronic
Industrial
Iron
Mechanical
Stone
​

Answer: drafting

Explanation:

Answer:

c. 172.16.0.0 / 255.255.248.0

Explanation:

The address will be 172.16.0.0 while the netmask will be 255.255.248.0.

Thus, option C is correct.

Answer:Charging current being returned to the battery is always measured in DC Amps. Electrical energy will always flow from an area of low potential to an area of high potential. ... One volt is the pressure required to force one amp of current through a circuit that has 1 Ohm of resistance.

Explanation:

Answer:

is_sorted = True

sequence = input("")

data = sequence.split()

count = int(data[0])

for i in range(1, count):

   if int(data[i]) >= int(data[i+1]):

       is_sorted = False

       break

if is_sorted:

   print("Sorted")

else:

   print("Unsorted")

Explanation:

*The code is in Python.

Initialize a variable named is_sorted as True. This variable will be used as a flag if the values are not sorted

Ask the user to enter the input (Since it is not stated, I assumed the values will be entered in one line each having a space between)

Split the input using split method

Since the first indicates the number of integers, set it as count (Note that I converted the value to an int)

Create a for loop. Inside the loop, check if the current value is greater than or equal to the next value, update the is_sorted as False because this implies the values are not sorted (Note that again, I converted the values to an int). Also, stop the loop using break

When the loop is done, check the is_sorted. If it is True, print "Sorted". Otherwise, print "Unsorted"

Answer:

In computer programming, a return statement causes execution to leave the current subroutine and resume at the point in the code immediately after the instruction which called the subroutine, known as its return address. The return address is saved by the calling routine, today usually on the process's call stack or in a register. Return statements in many languages allow a function to specify a return value to be passed back to the code that called the function.

An expression that returns a value is known as a​ function. Check more about function  below.

A function is often seen as a kind of expression or rule, or law that often tells more about a relationship.

Conclusively, a function is known to often returns a value back to the instruction that is known also to be the function. This is regarded as the differences that exist between a method and a function.

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Answer:

All traffic is encrypted. No one on your network can see what is going on (except for knowing where those packets are going to).

The identity of the remote server can be verified using certificates. So you also know that it really is your bank that you are talking to.

Optionally (and not in wide-spread use), the identity of the client can also be verified using certificates. This would allow for secure login to a site using chip cards instead of (or in addition to) password

Hyper Text Transfer Protocol (HTTP) and Secure HTTP are the same protocol from a standpoint of passing or blocking them with a firewall is false.

Basic HTTP (Hyper Text Transfer) is the Characteristics. It has the protocol that has enables communication in between web browsers and the servers. It has the protocol for the requests and answers. By default, it connects to the secure TCP connections on port 80.

Hypertext Transfer Protocol Secure (HTTPS) is an add-on to the Hypertext Transfer Protocol. It has been used for safe communication over a computer network and is widely used on the Internet. In HTTPS, the transmit protocol is encrypted using Transport Layer Security(TLS) or, formerly, Secure Sockets Layer(SSL).

The difference between HTTPS uses TLS (SSL) to encrypt normal HTTP requests and responses. HTTPS is the secure version of HTTP, which is the primary protocol used to send data between a web browser and a website.

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Answer:

the answer is A.) A record

Explanation:

In database, the category of information is A. Record.

A database simply means the collection of information that can be accessed in future. This is important to safeguard the information.

In this case, in a database table, the category of information is called a record. This is vital to keep documents.

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Answer:

kill 1000

Explanation:

Answer:

Its b) Ctrl+Q. Hope it helps.

Explanation:

Answer:

ctrl r

Explanation:

ctrl r is redo

Answer:

mysql

Explanation:

try building mysql database

Answer:

e. All of the above.

Explanation:

An instruction set architecture (ISA) can be defined as series of native memory architecture, instructions, addressing modes, external input and output devices, virtual memory, and interrupts that are meant to be executed by the directly.

Basically, this set of native data type specifies a well-defined interface for the development of the hardware and the software platform to run it.

The two (2) main types of architectural design for the central processing unit (CPU) are;

I. Complex instruction set computing (CISC): it allows multi-step operation or addressing modes to be executed within an instruction set. Thus, many low-level operations are being performed by an instruction.

II. Reduced instruction set computing (RISC): it allows fixed length instructions and simple addressing modes that can be executed within a clock cycle.

All of the following statements are true about RISC (Reduced instruction set computing) because they are its advantages over complex instruction set computing (CISC);

a. RISC (Reduced instruction set computing) architecture has a set of instructions, so high-level language compilers can produce more efficient code.

b. It allows freedom of using the space on microprocessors because of its simplicity.

c. Many RISC processors use the registers for passing arguments and holding the local variables.

d. RISC functions use only a few parameters, and the RISC processors cannot use the call instructions, and therefore, use a fixed length instruction which is easy to pipeline.

The options that are true about RISC (Reduced instruction set computing) is; E: all of the above

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Answer: number 2 is the correct way to do it

Explanation:

Answer:

2 newWord = word1 + word2

Explanation:

Answer:

3

Explanation:

The Dell Alienware Personal Computers refers to a range of PC's which are known for their strength, durability and most commonly their graphical performance. Th ecomputwrs are built to handle very high and intensive graphic demanding programs including gaming. The Alienware area 51m is a laptop which has been loaded with the capability and performance of a high graphic demanding desktop computers boasting massive memory size and greater graphic for better game play and high graphic demanding programs.

The laptop features an improved thermal and performance capability to handle the effect of different graphic demanding programs. Therfore, the laptop has 3 different thermal a d performance system modes which altenrtes depending on graphic demands in other to handle intensive demands.

It should be noted that the number of thermal performance mode is 5.

From the complete information, it should be noted that there are five thermal performance control modes are there in Alienware Area 51m to support different user scenarios.

The modes are:

In conclusion, the correct option is 5

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The answer is: Forms

To control data entry into database tables to help ensure consistency and reduce errors will be known as forms in data entry.

A form is a panel or panel in a database that has many fields or regions for data input.

To control data entry into database tables to help ensure consistency and reduce errors will be forms.

Then the correct option is C.

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Answer:

filename = input("Enter file name: ")

movie_container = list()

with open(filename, "r") as movies:

   content = movies.readlines()

   for movie in content:

       holder = movie.split("\t")

       movie_container.append((holder[0], holder[1], holder[2], holder[3]))

movie_container = sorted(movie_container, key= lambda movie: movie[0])

for movie in movie_container:

   movie_stars = movie[3].split(",")

   name_split = [names.split(" ") for names in movie_stars]

   movie_stars.clear()

   name_split = sorted(name_split, key= lambda names: names[1])

   for name in name_split:

       full_name = " ".join(name)

       print( full_name)

       movie_stars.append(full_name)

   movie[3] = movie_stars

print(movie_container)

Explanation:

The python code uses the open function to open and read in the input file from the standard user prompt. The title of the movies and the stars are all sorted alphabetically and display at the output.

Answer:

The reason that a satellite must have a distinct uplink and downlink set of frequencies is because they help avoid any type of interference that may occur. The uplink receives the signal and amplifies it so that it can be transmitted to another frequency (downlink).

Answer:

yes and

Explanation:

why do you need to know about a buildings security are you going to rob it ???

Answer: Resolution or DPI, deliverables, and file types are important technical and visual demands to consider when planning a project.

Explanation: Keep in mind whether or not the project will be published in print or on the Web.

Answer:

See Explanation

Explanation:

The question is incomplete as the cells that contains donation and streaming revenues are not given

So, I will make the following assumption:

H4 = Donations

G4 =  Streaming Revenues

So, the profit will be:

Enter the following formula in cell I4

=(G4 - H4)

To get the actual solution in your case, replace G4 and H4 with the proper cell names

Answer:

a. decision trees

b. decision trees

c. rippers

Explanation:

a) I will choose Decision trees because these can be better interpreted compared to these other two KNN and SVM. using Decision tress gives us a better explanation than the other 2 models in this question.

b)  In a classification problem with missing values, Decision trees are better off rippers since Rippers avoid the missing values.

c) Ripper are when we know some are high cost houses.

Answer:

Explanation:

[tex]\text{This is a math function that is integrated using a trapezoidal rule } \\ \\[/tex]

[tex]\text{import math}[/tex]

def [tex]\text{trapezint2(f,a,b):}[/tex]

      [tex]\text{midPoint=(a+b)/2}[/tex]

       [tex]\text{return .5*((midPoint-a)*(f(a)+f(midPoint))+(b-midPoint)*(f(b)+f(midPoint)))}[/tex]

[tex]\text{trapezint2(math.sin,0,.5*math.pi)}[/tex]

[tex]0.9480594489685199[/tex]

[tex]trapezint2(abs,-1,1)[/tex]

[tex]1.0[/tex]

In this exercise we have to use the knowledge of computational language in python to write the code.

the code can be found in the attachment.

In this way we have that the code in python can be written as:

   h = (b-a)/float(n)

   s = 0.5*(f(a) + f(b))

   for i in range(1,n,1):

       s = s + f(a + i*h)

   return h*s

from math import exp  # or from math import *

def g(t):

   return exp(-t**4)

a = -2;  b = 2

n = 1000

result = Trapezoidal(g, a, b, n)

print result

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Answer:to input patient information at a doctors office

To check out books from a library

To choose snacks to buy from a vending machine

Explanation:

A. To input patient information at a doctor's office, C. To check out books from a library, and D. To choose snacks to buy from a vending machine are examples of how forms are used. Therefore option A, C and D is correct.

Forms are used in various settings and scenarios to collect and manage data efficiently.

In option A, forms are utilized at doctor's offices to input and record patient information, streamlining the registration and medical history process.

In option C, library check-out forms help manage book borrowing, recording details like due dates and borrower information. Option D showcases how vending machines use forms to present snack options, allowing users to make selections conveniently.

All these examples demonstrate the versatility of forms as tools for data collection, organization, and user interaction, contributing to smoother operations and improved user experiences in different domains.

Therefore options A To input patient information at a doctor's office, C To check out books from a library, and D To choose snacks to buy from a vending machine are correct.

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Answer:

A.

Explanation:

If we were to go with B, then it would exclude others from different cultures, doing what he is trying to.

If we went with C, then they wouldn't get along very well, because no one likes to be forced into a different religion.

If we went with D, he wants an appreciation, so training some people to change religions if there are complaints, is not going to cut it. Therefore, we have A. Which I do not need to explain.

Answer:

A. 31 bits

B. 13 bits, 18 bits

C. 256k

Explanation:

A.

We have total size of physical memory as 2gb

This means that 2¹ x 2³⁰

Using the law of indices,

= 2³¹

So physical address is equal to 31 bits

B.

We get page size = 8kb = 2³

1 kb = 2¹⁰

2³ * 2¹⁰ = 2¹³

So page replacement = 13 bits

Page frame number

= physical address - replacement bits

= 31 - 13

= 18 bits

C.

The number of frames is given as

2¹⁸ = 2⁸ x 2¹⁰ = 256K

So number of frames = 256K

D

Logical add space is 256K

Page size= physical pages = 8kb

Logical address layout= 28biys

Page number = 15 bits

Displacement = 12 bits

256k/8k = 32 pages in address space process

Answer:

In Python:

def main():

   n = int(input("List items: "))

   mylist = []

   for i in range(n):

       listitem = input(", ")

       if listitem.isdecimal() == True:

           mylist.append(int(listitem))

       else:

           mylist.append(listitem)

   print(game_of_eights(mylist))

def game_of_eights(mylist):

   retVal = "False"

   intOnly = True

   for i in range(len(mylist)):

       if isinstance(mylist[i],int) == False:

           intOnly=False

           retVal = "Please, enter only integers"

       if(intOnly == True):

           for i in range(len(mylist)-1):

               if mylist[i] == 8 and mylist[i+1]==8:

                   retVal = "True"

                   break

   return retVal

if __name__ == "__main__":

   main()

Explanation:

The main begins here

def main():

This gets the number of list items from the user

   n = int(input("List items: "))

This declares an empty list

   mylist = []

This iterates through the number of list items

   for i in range(n):

This gets input for each list item, separated by comma

       listitem = input(", ")

Checks for string and integer input before inserting item into the list

       if listitem.isdecimal() == True:

           mylist.append(int(listitem))

       else:

           mylist.append(listitem)

This calls the game_of_eights function

   print(game_of_eights(mylist))

The game_of_eights function begins here

def game_of_eights(mylist):

This initializes the return value to false

   retVal = "False"

This initializes a boolean variable to true

   intOnly = True

This following iteration checks if the list contains integers only

   for i in range(len(mylist)):

If no, the boolean variable is set to false and the return value is set to "integer only"

       if isinstance(mylist[i],int) == False:

           intOnly=False

           retVal = "Please, enter only integers"

This is executed if the integer contains only integers

       if(intOnly == True):

Iterate through the list

           for i in range(len(mylist)-1):

If consecutive 8's is found, update the return variable to True

               if mylist[i] == 8 and mylist[i+1]==8:

                   retVal = "True"

                   break

This returns either True, False or Integer only

   return retVal

This calls the main method

if __name__ == "__main__":

   main()

Answer:

In Python

def getpointValue(subject):

   if subject >= 75:        point = 4; grade = 'A'

   elif subject >= 60:        point = 3; grade ='B'

   elif point >= 50:        point = 2; grade = 'C'

   elif point >= 40:        point = 1; grade = 'D'

   else:        point = 0; grade = 'F'

   return point,grade

subjects= ["Accounting","Marketing","Economics","MIS"]

acct = int(input(subjects[0]+": "))

mkt = int(input(subjects[1]+": "))

eco = int(input(subjects[2]+": "))

mis = int(input(subjects[3]+": "))

acctgrade = getpointValue(acct)

print(subjects[0]+" Grade: "+str(acctgrade[1]))

mktgrade = getpointValue(mkt)

print(subjects[1]+" Grade: "+str(mktgrade[1]))

ecograde = getpointValue(eco)

print(subjects[2]+" Grade: "+str(ecograde[1]))

misgrade = getpointValue(mis)

print(subjects[3]+" Grade: "+str(misgrade[1]))

totalpoint = (acctgrade[0] + mktgrade[0] + ecograde[0] + misgrade[0]) * 3

gpa = totalpoint/12

print("GPA: "+str(gpa))

Explanation:

The solution I provided uses a function to return the letter grade and the point of each subject

I've added the explanation as an attachment where I used comment to explain difficult lines

Answer:

A bit can only have 2 values

Answer:

Throughout the clarification below, the description of the query is mentioned.

Explanation: