An Address bus enables the cpu to communicate with a system's primary storage.
Answer:
Option d) B is 1.33 times faster than A
Given:
Clock time, 

No. of cycles per instructions, 

Solution:
Let I be the no. of instructions for the program.
CPU clock cycle,
= 2.0 I
CPU clock cycle,
= 1.0 I
Now,
CPU time for each can be calculated as:
CPU time, T = 


Thus B is faster than A
Now,


Performance of B is 1.33 times that of A
Just do it just look up the answers mate
Answer:
1.save the audio using a low sampling rate
2.save the audio using a low bit depth
Explanation:
1. if the quality of the audio is low then the size of the audio will also be low and which will make the size of the data to be less and also easier to download
Answer:
Webcam
Explanation:
A webcam is mainly used for taking images or videos from the computer. the webcam is a combination of two basic words i.e. web and camera. webcam can be connected to any computer via USB. It can be mounted on the desktop and sometimes it comes inbuilt on the laptops.
A webcam is also used for face recognition function to login to a computer system.
so according to the scenario, the most appropriate answer is a webcam.