Answer:
a. If the read is successful, the number of bytes read is returned.
b. If the end of file is encountered, 0 is returned.
Explanation:
A read function is one of the functions used in computer programming. A read function is used to read an information or data that was written before into a file.
If any portion of a regular file before to the end of file has not been written and the end of file is encountered the read function will return the bytes with value 0.
If read function has read some data successfully, it returns the number of bytes it read.
A firewall determines what external network traffic(internet) should or should not be allowed to pass internal network(computer). A firewall is network security that protects software and hardware from untrusted sites that may have viruses, worms, and bugs that are detrimental to the computer.
Wouldn’t be A, C. When editing a word document it would be B and when just opening one from someone it would be D. This question doesn’t give a brief explanation of what’s happening. Can you give more information or is that all of the question?
A radiologist’s computer monitor has higher resolution than most computer screens. Resolution refers to the: <u>number of horizontal and vertical pixels on the screen.</u>
<u>Explanation:</u>
The resolution of a screen refers to the size and number of pixels that are displayed on a screen. The more pixels a screen has, the more information is displayed on it without the user having to scroll for it.
More pixels also define and enhance the clarity of the pictures and content displayed on the screen. Pixels combine in different ratios to provide different viewing experiences for users.
