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3 years ago

Does coaxial cable use radio waves to transmit data

2 answers:

5 0

Coaxial cable, or coax (pronounced /ˈkoʊ.æks/), is a type of cable that has an inner conductor surrounded by a tubular insulating layer, surrounded by a tubular conducting shield. Many coaxial cables also have an insulating outer sheath or jacket. The term coaxial comes from the inner conductor and the outer shield sharing a geometric axis. Coaxial cable was invented by English engineer and mathematician Oliver Heaviside, who patented the design in 1880.[1] Coaxial cable differs from other shielded cable used for carrying lower-frequency signals, in that the dimensions of the cable are controlled to give a precise, constant conductor spacing, which is needed for it to function efficiently as a transmission line.

Mazyrski [523]3 years ago

3 0

Coaxial cable is often used to carry data/signals from an atenna to the radio system

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___are designed to infect and cause damage to operating system files, computer registry, and other locations on the motherboard

Firlakuza [10]

Answer:

Viruses

Explanation:

virusues are designed to infect and cause damage to operating system files, computer registry, and other locations on the motherboard

3 0

3 years ago

Let's revisit our lucky_number function. We want to change it, so that instead of printing the message, it returns the message.

maksim [4K]

Answer:

Replace the first blank with:

message = "Hello " + name + ". Your lucky number is " + str(number)

Replace the second blank with:

return message

Explanation:

The first blank needs to be filled with a variable; we can make use of any variable name as long as it follows the variable naming convention.

Having said that, I decided to make use of variable name "message", without the quotes

The next blank is meant to return the variable on the previous line;

Since the variable that was used is message, the next blank will be "return message", without the quotes

3 0

3 years ago

You’ve been hired to help a bank automate their deposit/withdrawal system! Your task is to write a Python program that interacts

mixer [17]

Answer: See below

Explanation:

Description: In this program, read-option from the user and based on that, perform the operation. And display the balance if the balance is negative.

transactions.py

balance = 1000

#read options from the user

option = input("Deposit or withdrawal: ")

amount = 0

#check if option is a withdrawal

if option == 'withdrawal':

amount = int(input("Enter an amount: "))

balance = balance - amount

#check option is deposit

elif option == 'deposit':

amount = int(input("Enter an amount: "))

balance = balance + amount

else:

print("Invalid transaction.")

#check balance is less than 0 (negative)

if balance < 0:

print("You cannot have a negative balance!")

else:

print("Final balance:",balance)

4 0

2 years ago

Which of the following statements is true?

Lilit [14]

Answer:

Option A is the correct answer choice for the above question.

Explanation:

The computer system needs intercommunication which is done inside the processor to process the task given by the user. There are two types of model is used for intercommunication--

Message passing and
Shared memory

The difference between two is that message passing passes the message on two points at a single unit of time whereas shared memory simultaneous shares the multiple messages. That's why shared memory is faster than message passing.

Hence option A is the correct choice because it also refers to the above concept. While the other is not correct because--
Option B states that message passing is faster than shared memory which is wrong.
Option C states that message passing is used for large data but shared memory is used for large data.
Option D states that shared memory is unavailable in some processor which is wrong.

3 0

3 years ago

Are there strategies or better solution that you can suggest besides paying for bags, which could reduce plastic bag pollution

astraxan [27]

The most obvious one would be recycling, another one would be to use plastic bags to hold things in your house, instead of boxes. I run a business, and my business requires me to ship a lot. I often use plastic bags as packaging material. Hope this helps!

8 0

3 years ago