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pogonyaev
2 years ago
14

The overall cost of wiring in addressable fire alarm system is significantly cheaper than the conventional one. Why is it so?

Computers and Technology
1 answer:
stellarik [79]2 years ago
7 0

Answer:

Yes, The overall cost of wiring in addressable fire alarm system is significantly cheaper than the conventional one.But the addressale fire alram system is more reliable than a conventional system.

Explanation:

Conventional systems are hardware-based and use analog technology. where addressable fire alarm use digital technology. addressable system is generally more reliable than a conventional system mainly due to how the different systems are wired. With a conventional system, if a device’s wire is damaged or severed, its signal and the signal of other devices down the line cannot be transmitted to the control panel.

With an addressable system, both ends of the wire connect to the control panel. Therefore, if one end becomes damaged or severed, signals can still reach the control panel through the other end of the loop. In addressable systems, a device can be removed or disabled and it will not affect the other devices in the loop.

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What two devices in a computer should be considered "black boxes," and should never be opened due to risks involving charged cap
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Answer:

Monitor

Power supply

Explanation:

Monitor is the display unit of the computer. It carries capacitors which are charged and helps in electronic display.

Power supply is the unit which converts the AC electric supply to DC supply. It utilizes the capacitors to perform this function

While the hard drive and video card does not contain any capacitors.

4 0
3 years ago
A computer has a word length of 8 bits (including sign). if 2’s complement is used to represent negative numbers, what range of
iVinArrow [24]
Two's-complement notation can represent all integers from - 2^(N-1) to 2^(N-1) - 1, where N is the word length of the computer. So, in your example, the computer could store all integers from -128 to 127 inclusive. 

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5 0
3 years ago
Write an application that determines the value of the coins in a jar and prints the total in dollars and cents. Read integer val
pantera1 [17]

Answer: Result:Enter the number of quarters in the jar: 4

Enter the number of dimes in the jar: 5

Enter the number of nickels in the jar: 2

Enter the number of pennies in the jar: 5

Total value is 1 dollars and 65 cents

Explanation: import java.util.Scanner;public class Coins { public static void main(String[]args) { int quarters, dimes, nickels, pennies; int total;Scanner scan = new Scanner (System.in);System.out.print("Enter the number of quarters in the jar: "); quarters = scan.nextInt();System.out.print("Enter the number of dimes in the jar: ");dimes = scan.nextInt(); System.out.print("Enter the number of nickels in the jar: ");nickels= scan.nextInt(); System.out.print("Enter the number of pennies in the jar: ");pennies = scan.nextInt(); int total_cents = 25*quarters + dimes*10 + nickels*5 + pennies;total =total_cents/100;total_cents = total_cents %100;System.out.println("Total value is " + total + " dollars and " + total_cents + " cents ");}}

Result:Enter the number of quarters in the jar: 4

Enter the number of dimes in the jar: 5

Enter the number of nickels in the jar: 2

Enter the number of pennies in the jar: 5

Total value is 1 dollars and 65 cents

4 0
2 years ago
Read 2 more answers
How will you identify a file type on your computer?
Andru [333]

You use the extension on the end of the file to tell you the type of a file

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5 0
2 years ago
What is output if month = 11 and day = 14?
goldfiish [28.3K]

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4 0
3 years ago
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