Answer:
Explanation:
An operating system is the most important software that runs on a computer. ... It also allows you to communicate with the computer without knowing how to speak the computer's language. Without an operating system, a computer is useless.
The correct answer is A. true.
It was written in 1948 by the bureau of Labor statistics .
HOPE IT HELPS YOU
Answer:
Flow charts help programmers develop the most efficient coding because they can clearly see where the data is going to end up. Flow charts help programmers figure out where a potential problem area is and helps them with debugging or cleaning up code that is not working.
creds to study.com (please don't copy it work by word, make sure to paraphrase it. otherwise plagiarism is in the game.)
Explanation:
Let me re-write the proposition:
p↔q⊕(¬p↔¬r)∧¬q.
Generally, the number of rows in a truth table depends on the number of Variables. Here we have 3 Variables: p,q and r. Each of them can have either the value of 1 or 0, which gives us 2*2*2 possibilities, or 2³, that is 8 possibilities and 8 rows:
p=0, q=0, r=0
p=0, q=0, r=1
p=0, q=1, r=0
p=0, q=1, r=1
p=1, q=0, r=0
p=1, q=0, r=1
p=1, q=1, r=0
p=1, q=1, r=1
The statement that the History feature of a browser helps in retracing browsing history over a short period of time is True.
<h3>What is a browser?</h3>
A browser can be regarded as an computer application that is used in surfing the internet.
One of the features of a browser is the history tab which helps to retrace your browsing history over a short period of time.
Learn more about browsers at;
brainly.com/question/24858866
