Complete Question:
Which of the following about computers is NOT true?
Group of answer choices.
A. Computing devices translate digital to analog information in order to process the information.
B. Computing devices are electronic.
C. The CPU processes commands.
D. The memory uses binary numbers
Answer:
A. Computing devices translate digital to analog information in order to process the information.
Explanation:
Computing is the process of using computer hardware and software to manage, process and transmit data in order to complete a goal-oriented task.
The true statements about computers are;
I. Computing devices are electronic: the components and parts which makes up a computer system are mainly powered by a power supply unit and motherboard that typically comprises of electronic components such as capacitors, resistors, diodes etc.
II. The CPU processes commands: the central processing unit (CPU) is responsible for converting or transforming the data from an input device into a usable format and sent to the output device.
III. The memory uses binary numbers: computer only understand ones and zeros.
The above question has multiple choices as below
<span>A. Data links
B. The post office
C. Driving a car
D. A train
The answer is (B) The Post Office.
In layman’s terms, transport layer is similar to the post office functions of delivering parcels and letters at the agreed delivery deadlines. It also notices any dropped info and re-transmits it.
Just like the post office, the transport layer directs messages and information between specific end users. If by mistake you write a letter to the wrong person, the letter will be returned and the postal employee will stamp it as address unknown.
</span>
Answer:
The correct answer to the following question will be "Checksum".
Explanation:
A variable that reflects the amount of several bits in a transmitted packet and is used by practitioners of IT to spot heavy-level anomalies in the transmission of data, known as Checksum.
- After executing a cryptographic hashing algorithm each piece of information or a document could be allocated a value of checksum before delivery.
- We are relevant because we are using them to verify the authenticity of the documents.
So, it's the right answer.
Look up on google a software that can do it for you. Doing it through a pre-made software is about the only way to do it most computers won't allow you to.
1.)
<span>((i <= n) && (a[i] == 0)) || (((i >= n) && (a[i-1] == 0))) </span>
<span>The expression will be true IF the first part is true, or if the first part is false and the second part is true. This is because || uses "short circuit" evaluation. If the first term is true, then the second term is *never even evaluated*. </span>
<span>For || the expression is true if *either* part is true, and for && the expression is true only if *both* parts are true. </span>
<span>a.) (i <= n) || (i >= n) </span>
<span>This means that either, or both, of these terms is true. This isn't sufficient to make the original term true. </span>
<span>b.) (a[i] == 0) && (a[i-1] == 0) </span>
<span>This means that both of these terms are true. We substitute. </span>
<span>((i <= n) && true) || (((i >= n) && true)) </span>
<span>Remember that && is true only if both parts are true. So if you have x && true, then the truth depends entirely on x. Thus x && true is the same as just x. The above predicate reduces to: </span>
<span>(i <= n) || (i >= n) </span>
<span>This is clearly always true. </span>
