Answer:
A=input("Enter Number of Marks:")
b=[]
sum=0
i=0
for i in range(0,int(A)):
b.append(input("Enter Marks"))
sum+=int(b[i])
percentage1= (sum/int(A))*100
if percentage1>=20:
print("Grade A")
elif percentage1<=30 & percentage1>=20:
print("Grade B")
else:
print("Grade C")
Explanation:
The above program is in Python. And we are using here a dynamic list. And we are storing A marks in it. And then we are finding its average, and finally assigning the Grade as mentioned.
Answer:
NET USE
Explanation:
The windows CMD is a command line interface or terminal used to access information about the system. The CMD can be also used to rectify or troubleshoot problems in the windows environment. There are series of hard coded commands in this interface.
An attacker uses the command "NET USE" to remotely connects or disconnects a computer and can be used to list the current connections of a user's computer.
Answer:
Memory.
Explanation:
When someone refers to "space" on a computer or device, they are usually referring to memory, which allows the user to save a file for future use, even after the computer has been turned off.
In Computer science, a memory is a term used to describe the available space or an electronic device that is typically used for the storage of data or any computer related information such as images, videos, texts, music, codes and folders. There are basically two (2) main types of memory;
1. Read only memory (ROM).
2. Random access memory (RAM).