computer science

Remote evaluation

Remote evaluation 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 Remote evaluation rather than just read about it. In short: In computer science, remote evaluation is a general term for any technology that involves transmitting executable software code from a client computer to a server computer for subsequent executing at the server. After the code has finished executing, the results of its execution are sent back to the client.

Key takeaways

Remote evaluation 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 Remote evaluation to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Remote evaluation from memory before moving on to harder problems.

Reference excerpt

In computer science, remote evaluation is a general term for any technology that involves transmitting executable software code from a client computer to a server computer for subsequent executing at the server. After the code has finished executing, the results of its execution are sent back to the client. Remote evaluation belongs to the family of mobile code, within the field of code mobility. An example for remote evaluation is grid computing: An executable task may be sent to a specific computer in the grid. After the execution has terminated, the result is sent back to the client. The client in turn may have to reassemble the different results of multiple concurrently calculated subtasks into one single result.

See also Client-side scripting, the client executing code sent by the server, instead of the server executing code sent by the client Code on demand Code mobility

Notes

References Calzarossa, Maria Carla; Tucci, Salvatore (2002). Performance Evaluation of Complex Systems: Techniques and Tools: Performance 2002. Tutorial Lectures. Lecture Notes in Computer Science. Vol. 2459. Springer Science+Business Media. doi:10.1007/3-540-45798-4. ISBN 978-3-540-44252-3.

Worked examples

Example 1 — a first encounter with Remote evaluation

Start with the simplest possible case. Write down what Remote evaluation 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 Remote evaluation 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 Remote evaluation 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 Remote evaluation

In research: Remote evaluation 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 Remote evaluation 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: Remote evaluation is common in secondary-school and first-year university syllabi. It links to neighbouring topics Computer network stubs, Computer programming stubs, Evaluation strategy, so understanding it makes those chapters shorter.
In everyday life: Look for Remote evaluation 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 Remote evaluation in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Remote evaluation 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 Remote evaluation out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Remote evaluation in simple terms?

Why does Remote evaluation 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 Remote evaluation?

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 Remote evaluation.