Computer communications mcq

Which of the following networking solution is suitable for networking within a building?

Computer communications mcq

Advantages[ edit ] There are several advantages to multiple choice tests. If item writers are well trained and items are quality assured, it can be a very effective assessment technique. Multiple choice questions lend themselves to the development of objective assessment items, but without author training, questions can be subjective in nature.

Because this style of test does not require a teacher to interpret answers, test-takers are graded purely on their selections, creating a lower likelihood of teacher bias in the results.

Finally, if test-takers are aware of how to use answer sheets or online examination tick boxes, their responses can be relied upon with clarity.

FeedBack Form

Overall, multiple choice tests are the strongest predictors of overall student performance compared with other forms of evaluations, such as in-class participation, case exams, written assignments, and simulation games.

Multiple choice tests are best adapted for testing well-defined or lower-order skills. Problem-solving and higher-order reasoning skills are better assessed through short-answer and essay tests.

This is especially true in the United States and India, where multiple choice tests are the preferred form of high-stakes testing and the sample size of test-takers is large respectively. Another disadvantage of multiple choice tests is possible ambiguity in the examinee's interpretation of the item.

Failing to interpret information as the test maker intended can result in an "incorrect" response, Computer communications mcq if the taker's response is potentially valid.

The term "multiple guess" has been used to describe this scenario because test-takers may attempt to guess rather than determine the correct answer. A free response test allows the test taker to make an argument for their viewpoint and potentially receive credit.

Blog Archive

In addition, even if students have some knowledge of a question, they receive no credit for knowing that information if they select the wrong answer and the item is scored dichotomously. However, free response questions may allow an examinee to demonstrate partial understanding of the subject and receive partial credit.

Additionally if more questions on a particular subject area or topic are asked to create a larger sample then statistically their level of knowledge for that topic will be reflected more accurately in the number of correct answers and final results. Another disadvantage of multiple choice examinations is that a student who is incapable of answering a particular question can simply select a random answer and still have a chance of receiving a mark for it.

If randomly guessing an answer, there is usually a 25 percent chance of getting it correct on a four-answer choice question. It is common practice for students with no time left to give all remaining questions random answers in the hope that they will get at least some of them right.

Many exams, such as the Australian Mathematics Competition and the SAThave systems in place to negate this, in this case by making it no more beneficial to choose a random answer than to give none.

Computer communications mcq

Another system of negating the effects of random selection is formula scoring, in which a score is proportionally reduced based on the number of incorrect responses and the number of possible choices. This is usually not a great issue, moreover, since the odds of a student receiving significant marks by guessing are very low when four or more selections are available.

Additionally, it is important to note that questions phrased ambiguously may confuse test-takers. It is generally accepted that multiple choice questions allow for only one answer, where the one answer may encapsulate a collection of previous options.

However, some test creators are unaware of this and might expect the student to select multiple answers without being given explicit permission, or providing the trailing encapsulation options. Critics like philosopher and education proponent Jacques Derridasaid that while the demand for dispensing and checking basic knowledge is valid, there are other means to respond to this need than resorting to crib sheets.

Researchers have found that although some people believe that changing answers is bad, it generally results in a higher test score. The data across twenty separate studies indicate that the percentage of "right to wrong" changes is In fact, a person's initial attraction to a particular answer choice could well derive from the surface plausibility that the test writer has intentionally built into a distractor or incorrect answer choice.

Test item writers are instructed to make their distractors plausible yet clearly incorrect. A test taker's first-instinct attraction to a distractor is thus often a reaction that probably should be revised in light of a careful consideration of each of the answer choices.

Some test takers for some examination subjects might have accurate first instincts about a particular test item, but that does not mean that all test takers should trust their first instinct.

Automation[ edit ] Finding the right answer from multiple choices can be automated using multiple choice question answering systems.Introduction To Computer Networks And Data Communications introduction to computer networks and broad categories of computer networks and data communications.

personal communication systems, pagers, infrared Download Books Data Communication And Networking Mcq By Forouzan, Download Books Data Communication And Networking Mcq By.

MCQ Computer Networking and Telecommunication [SEE ] 1. A data communications system allowing a number of independent devices to communicate directly with each other, within a moderately sized geographic area. i) LAN ii) WAN. Download chapter wise important exam questions and answers Assignments of Computer Science, CBSE Class 12 Computer Science - Communication And Network Concepts.

CBSE Assignment for Class XII Computer Science. Prepared by teachers of one of the best CBSE schools in Delhi. Based on CBSE and CCE guidelines. The students should practice these assignments to gain perfection which.

Computer (Systems) Engineering enables students to engage in the design of integrated hardware and software solutions for technical problems. They are involved in many aspects of computing, from the design of individual microprocessors, personal computers, and supercomputers, to circuit design.

the political economy of communication mcq The Handbook of Political Economy of Communications offers students and scholars a comprehensive, authoritative, up-to-date and accessible overview of key areas and debates. Third Edition (Chapman Hall/CRC Computer Science & Data Analysis) Introduction to Management Science with Student CD and.

[PDF]Free Education Under Siege The Conservative Liberal And Radical Debate Over Schooling download Book Education Under Siege The Conservative Liberal And.

Solved MCQ of Wireless Mobile Communication set-1