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USPshnik [31]
3 years ago
14

What was ARPANET?

Computers and Technology
1 answer:
Anit [1.1K]3 years ago
7 0

Answer:

The ARPANET was the first network that provided commercial internet services. And also it was the first network to make use of the TCP/IP protocols. However, you need to know that the first ISP or the internet service provider was the Telenet, and it was the first commercial version of the ARPANET which was introduced in the year 1974. And this service started its service for the customers in the year 1989.

Explanation:

Please check the answer section.

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What is the size of the program counter for an avr that has a 1 kbyte rom capacity?
horsena [70]

Answer:

9 bits

Explanation:

 We all recognize 1 K bytes as =1024 bytes.  

And the storage medium used for program instructions are the non-volatile flash memories. The MCUs are always 8 bits, and a piece of the instructions revenues two or one 16-bit words. Besides we know program memory magnitude through the device name, and as an instance, the ATmega64x line emanates with 64KB of flash, and the ATmega32x line emanates with 32 KB. And there is nobody like off-chip program memory, and all of the codes that are being implemented by the AVR essentially be on the on-chip flash. However, this restraint is not ever applied to the AT94 FPSLIC AVR/FPGA chips. Also, you must know that AVR is a family of microcontrollers established by ATEL in 1996. It is a Harvard architecture type single-chip 8-bit RISC microcontroller. And it is supposed to be the first microcontroller which applied flash memory for storing the program They are heavily used in embedded systems.  

1k byte = 1024 bytes, However, if the program instruction takes 16 bits.  

And hence it only wishes 512.  

Here and now 512 = 10^9, and henceforth you necessitate 9 bits at minimum.  

excluding you can somehow paginate that (such as through one-bit pagination, you will be necessitating only 8 bits and so on.)  

Therefore the answer here = 9 bits.

5 0
4 years ago
The birthday problem is as follows: given a group of n people in a room, what is the probability that two or more of them have t
Julli [10]

Answer:

import random

def calc_birthday_probability(num_people):

   num_tries = 1e6

   num_duplicates = 0

   tries = 0

   while tries < num_tries:

       total_birthday = {}

       for i in range(1, 366):

           total_birthday[i] = 0

       for count in range(num_people):

           birthday = random.randint(1, 365)

           if total_birthday[birthday] != 0:

               num_duplicates += 1

               break

           total_birthday[birthday] += 1

       tries += 1

   return num_duplicates/num_tries

def main():

   num_people = 10

   p = calc_birthday_probability (num_people)

   print(p)

   num_people = 20

   p = calc_birthday_probability (num_people)

   print(p)

   return

if __name__ == "__main__":

   random.seed(2020)

   main()

Explanation:

  • Run the loop until the value of tries is less than num_tries to do number of trials.
  • Run the loop to create the desired number of birthdays by generating random numbers.
  • Increase  the num_duplicates  variable by 1, if the birthday has  already occurred.
  • Lastly define and then call the main function.

4 0
4 years ago
Which column and row references are updated when you copy the formula: =F$5+12? Value 12 Column F Column F and row 5 Row 5
NemiM [27]
The answer is column F. During relative copy and paste in Excel, the positioning of the '$' symbol effectively indicated an absolute reference to a position, so that is not updated. Therefore, in the formula '<span>=F$5+12</span>', only column F is updated. 
8 0
4 years ago
Why are there problems with patching electronics such as heart rate monitors and MRI machines that run embedded Windows OSs?
timofeeve [1]

Answer:

The various problems with patching electronics such as heart rate monitors and MRI machines that run embedded Windows OSs is that they have a certification which is usually at a specific revision level.

Another issue is that probably the maker or the manufacturer didn’t provide the patch method which would have been used to fix such electronics.

8 0
3 years ago
What are some pros and cons of being a Computer Hardware Engineer?
olganol [36]
Pros: Median salary is high (about $108,430), Employable in many different industries, like product manufacturing, computer systems design and scientific research.
Cons: Limited job growth, often requires long hours.
8 0
4 years ago
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