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mash [69]
3 years ago
6

A(n) ___________ operating system provides process and memory management services that allow two or more tasks, jobs, or program

s to run simultaneously.
Computers and Technology
1 answer:
patriot [66]3 years ago
6 0

Answer:

multitasking

Explanation:

<h2><u>Fill in the blanks</u></h2>

A<u> multitasking </u>operating system provides process and memory management services that allow two or more tasks, jobs, or programs to run simultaneously.

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Answer:

Tritium BF

Explanation:

5 0
3 years ago
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Which of the following ensures that dropped packets are resent?
Agata [3.3K]

Answer:

TCP

Explanation:

Transmission control protocol ensures packets loss and performs retransmission

TCP works with Internet Protocol (IP)

TCP/IP defines how computers send data packets to each other.

TCP allows transmission of information in both the direction.

Bit rate :defines the rate at which bits are transferred from one place to another

7 0
3 years ago
Suppose a book author can be identified by an AuthorID and each book can be identified by an ISBN. Besides the identifier, an au
Scrat [10]

Answer:

a) We know that atleast one or more author writes a book.

Symbol to indicate one or more is (B)

So the correct option is B

b) We know that zero to multiple books are written by any author.

Symbol to indicate zero or more is (A)

So the correct option is A

c) The fourth option is correct if we replace by many to many relationship and generate a new entity.

So the relationship betweem author and contract is one to many. So we know that there is atleast one author that represent in symbol d and books has atleast 0 that represent in symbol c.

So Fourth Option is correct d at blue side and c at red side.

d) There are two forirgn keys in table Contract one is from AuthorId and other is ISBN.

So correcct option is C

6 0
3 years ago
After execution of the code fragment
lesya692 [45]
Yes the output is 6                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  





8 0
3 years ago
(1) Output a menu of automotive services and the corresponding cost of each service. (2 pts) Ex: Davy's auto shop services Oil c
Wittaler [7]

Answer:

service1_cost = 0

service2_cost = 0

print("Davy's auto shop services")

print("Oil change -- $35, Tire rotation -- $19, Car wash -- $7, Car wax -- $12")

service1 = input("Select first service: ")

service2 = input("Select second service: ")

if service1 == "Oil change":

   service1_cost = 35

elif service1 == "Tire rotation":

   service1_cost = 19

elif service1 == "Car wash":

   service1_cost = 7

elif service1 == "Car wax":

   service1_cost = 12

elif service1 == "-":

   service1 = "No service"

   service1_cost = 0

if service2 == "Oil change":

   service2_cost = 35

elif service2 == "Tire rotation":

   service2_cost = 19

elif service2 == "Car wash":

   service2_cost = 7

elif service2 == "Car wax":

   service2_cost = 12

elif service2 == "-":

   service2 = "No service"

   service2_cost = 0

print("- - -")

print("Davy's auto shop invoice")

print("Service 1: " + service1 + " costs $" + str(service1_cost))

print("Service 2: " + service2)

print("Total: $" + str(service1_cost + service2_cost))

Explanation:

- Initialize the variables for cost values

- Ask the user for the services

- Depending on the user choice, calculate the cost of each service using if else structure

- Print the chosen services, cost of each service and total cost    

3 0
3 years ago
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