computer science

UNIVAC EXEC II

UNIVAC EXEC II 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 UNIVAC EXEC II rather than just read about it. In short: EXEC II is a discontinued operating system developed for the UNIVAC 1107 by Computer Sciences Corporation (CSC) while under contract to UNIVAC to develop the machine's COBOL compiler. They developed EXEC II because Univac's EXEC I operating system development was late.

Key takeaways

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

Reference excerpt

EXEC II is a discontinued operating system developed for the UNIVAC 1107 by Computer Sciences Corporation (CSC) while under contract to UNIVAC to develop the machine's COBOL compiler. They developed EXEC II because Univac's EXEC I operating system development was late. Because of this the COBOL compiler was actually designed to run under EXEC II, not EXEC I as specified in the original contract. EXEC II is a batch processing operating system that supports a single job stream with concurrent spooling.

See also List of UNIVAC products History of computing hardware

References

External links Gray, George (March 1993). "EXEC II". Unisys History Newsletter. 1 (3). Archived from the original on August 9, 2017.

Worked examples

Example 1 — a first encounter with UNIVAC EXEC II

Start with the simplest possible case. Write down what UNIVAC EXEC II 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 UNIVAC EXEC II 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 UNIVAC EXEC II 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 UNIVAC EXEC II

In research: UNIVAC EXEC II 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 UNIVAC EXEC II 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: UNIVAC EXEC II is common in secondary-school and first-year university syllabi. It links to neighbouring topics Operating system stubs, UNIVAC software, so understanding it makes those chapters shorter.
In everyday life: Look for UNIVAC EXEC II 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.

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study UNIVAC EXEC II in 20 minutes

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

Frequently asked questions

What is UNIVAC EXEC II in simple terms?

Why does UNIVAC EXEC II 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 UNIVAC EXEC II?

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 UNIVAC EXEC II.