computer science

Pecom 64

Pecom 64 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 Pecom 64 rather than just read about it. In short: Pecom 64 was an educational and/or home computer developed by Elektronska Industrija Niš of Serbia in 1985. Modern emulators for the system exist, along with software preservation efforts.

Key takeaways

Pecom 64 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 Pecom 64 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Pecom 64 from memory before moving on to harder problems.

Reference excerpt

Pecom 64 was an educational and/or home computer developed by Elektronska Industrija Niš of Serbia in 1985. Modern emulators for the system exist, along with software preservation efforts.

Specifications The machine had the following specifications: CPU: CDP 1802B 5V7 running at 2.813 MHz ROM: 16 KB, with optional 16 KB upgrade containing enhanced editor and assembler RAM: 32 KB Secondary storage: cassette tape VIS: (Video Interface System) CDP1869 / CDP1870 Text modes: 40 columns x 24 lines Character set: 128 Programmable characters Character size: 6x9 pixels Graphics modes: None, but the character-set was re programmable (semigraphics) to simulate a 240x216 High Resolution display Colours: A total of 8 foreground colours are available (with a limited choice of 4 per character and 1 per line of that character) and 8 background colours (defined for the whole screen). Sound: 2 channels: one for tone generation with a span of 8 octaves, and 1 for special effect/white noise. Volume programmable in 16 steps. I/O ports:cassette tape storage, composite and RF video, RS-232 and expansion connector Power supply: 220V AC, 0.02 A, 4.5 W (built-in transformer)

See also Pecom 32 Very similar HW and BASIC as used in the Comx-35

References

Worked examples

Example 1 — a first encounter with Pecom 64

Start with the simplest possible case. Write down what Pecom 64 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 Pecom 64 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 Pecom 64 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 Pecom 64

In research: Pecom 64 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 Pecom 64 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: Pecom 64 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Computer-related introductions in 1985, Computer hardware stubs, Ei Niš, so understanding it makes those chapters shorter.
In everyday life: Look for Pecom 64 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 Pecom 64 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Pecom 64 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 Pecom 64 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Pecom 64 in simple terms?

Pecom 64 was an educational and/or home computer developed by Elektronska Industrija Niš of Serbia in 1985. Modern emulators for the system exist, along with software preservation efforts.

Why does Pecom 64 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 Pecom 64?

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 Pecom 64.