computer science

Help desk

Help desk is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Help desk rather than just read about it. In short: A help desk is a department or person that provides assistance and information, usually for electronic or computer problems. In the mid-1990s, research by Iain Middleton of Robert Gordon University studied the value of an organization's help desks.

Key takeaways

Help desk belongs to computer science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Help desk to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Help desk from memory before moving on to harder problems.

Reference excerpt

A help desk is a department or person that provides assistance and information, usually for electronic or computer problems. In the mid-1990s, research by Iain Middleton of Robert Gordon University studied the value of an organization's help desks. It found that value was derived not only from a reactive response to user issues, but also from the help desk's unique position of communicating daily with numerous customers or employees. Information gained in areas such as technical problems, user preferences, and satisfaction can be valuable for the planning and development work of other information technology units. A main function of the help desk is to separate issues from defects. Many issues can be solved at the help desk level such as password resets and simple misunderstandings. Some issues will be the result of actual product defects which should be forwarded to a development team for resolution. Large help desks have a person or team responsible for managing the incoming requests, called "issues"; they are commonly called queue managers or queue supervisors. The queue manager is responsible for the issue queues, which can be set up in various ways depending on the help desk size or structure. Typically, large help desks have several teams that are experienced in working on different issues. The queue manager will assign an issue to one of the specialized teams based on the type of issue raised. Some help desks may have telephone systems with ACD splits ensuring that calls about specific topics are put through to analysts with the requisite experience or knowledge.

See also Service desk Call center Customer service Comparison of issue-tracking systems Comparison of help desk issue tracking software Technical support Help desk software

References

Illustrations

Worked examples

Example 1 — a first encounter with Help desk

Start with the simplest possible case. Write down what Help desk claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Help desk before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Help desk ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Help desk

In research: Help desk appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Help desk in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Help desk is common in secondary-school and first-year university syllabi. It links to neighbouring topics Computer telephony integration, Customer service, Help desk, so understanding it makes those chapters shorter.
In everyday life: Look for Help desk outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Help desk in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Help desk means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Help desk out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Help desk in simple terms?

Why does Help desk matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Help desk?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Help desk.