Question

which is not a way to evaluate an information source?
1 rating

2 purpose

3 timeliness

4 authoritativeness

what is purpose of RAM

1 to perform cpu instructions

2 temporarily store data

3 permanently store data

4 represent data

Answer 1

To answer the first MCQ

1. Rating is not a way to evaluate an information source. The reliability of the source cannot be determined on the rating provided, as this may be biased and can be influenced with time of the publication.

2. Purpose - the information source obtained, needs to be evaluated to understand the intentions behind the same so that it can be judged on the purpose with which it was produced.

3. Timeliness - the information source needs to evaluated for its timeliness or currency in order to check if it is maintained and updated with time.

4. Authoritativeness - the information source needs to be evaluated for its authority as the print and web ways of publication varies with the authors and the authenticity of the same.

To answer the second MCQ

1. RAM only holds CPU instructions, does not perform them.
2. RAM is volatile, therefore it stores data temporarily.
3. Hard drive store data permanently, it is from this the data is loaded onto the RAM for faster access.
4. Data is represented in computers by bits in 0s and 1s.