computer science

Kobo eReader

Kobo eReader 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 Kobo eReader rather than just read about it. In short: The Kobo eReader is an e-reader produced by Toronto-based Kobo Inc (a subsidiary of Rakuten). Kobo Inc. originated in December 2009 through a Indigo Books and Music spinoff of their short-lived e-book marketplace, Shortcovers.

Key takeaways

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

Reference excerpt

The Kobo eReader is an e-reader produced by Toronto-based Kobo Inc (a subsidiary of Rakuten). Kobo Inc. originated in December 2009 through a Indigo Books and Music spinoff of their short-lived e-book marketplace, Shortcovers. The original e-reader model was released in May 2010 and was marketed as a minimalist alternative to the more expensive e-book readers available at the time. Like most e-readers, the Kobo uses an electronic ink screen. "Kobo" is an anagram of "book". In November 2011, Rakuten and Kobo Inc. announced a definitive agreement under which Rakuten would acquire 100% of Kobo's shares for US$315 million in cash. The acquisition closed in January 2012 following approval by Canadian regulatory authorities. The Arc tablet series, released between 2011 and 2013, was based on LCD technology instead.

History Kobo began as Shortcovers, a digital reading application operated by the Canadian bookstore chain Indigo Books and Music and formally spun off as the independent company Kobo Inc. in December 2009, with Indigo retaining approximately 58% ownership and investors including Borders Group, Cheung Kong Holdings, and REDgroup Retail taking minority stakes. The company raised CA$16 million in initial financing at the time of the spin-off. In November 2011, Rakuten announced a definitive agreement to acquire 100% of Kobo's outstanding shares for US$315 million in cash, describing the deal as a step toward expanding its global e-commerce business into downloadable media. Kobo's headquarters, management team, and employees were to remain in Toronto upon closing. The acquisition closed in January 2012 following approval by Canadian regulatory authorities.

E-ink devices

Current

Common attributes All Kobo e-readers share a unique pagination system which gives users the option to either count and reference pages separately within each chapter, or in the book as a whole. Up until an update in January 2022, Kobo readers required connection to the Internet during the initial setup phase and did not work until they were connected to Kobo's servers; however, they now support "sideload mode", which allows the reader to be used without registering it to a Kobo account. Kobo e-readers support viewing KEPUB (Kobo's proprietary ebook format based on the EPUB format), EPUB, Adobe PDF, plain text, HTML, and unprotected Mobipocket (MOBI, PRC) e-books. Some also support other formats, such as ZIM, unofficially.

Kobo Elipsa 2E The Kobo Elipsa 2E was released on 19 April 2023. It has a 10.3-inch E-Ink display at 1404 x 1872 pixels with a density of 227 ppi, 32 GB of storage, 2 GHz CPU, WiFi 802.11 ac/b/g/n, Bluetooth, USB-C, and an updated stylus.

Kobo Clara BW The Kobo Clara BW was released in April 2024. It is one of the first Kobo devices marketed as repairable, and the first with a Carta 1300 display. Its accessory covers are compatible with the Kobo Clara Colour. In April 2025, Kobo quietly released a mid-cycle hardware revision of the Clara BW, designated model P365, representing the first time Kobo had upgraded the battery capacity partway through a device's release cycle. The P365 features a larger battery of 1,900 mAh, compared to 1,500 mAh in the original N365 model. The P365 is manufactured by Top Victory Electronics rather than Netronix, which had produced all previous Kobo devices. The revised model was initially distributed primarily in European and other international markets rather than in Canada and the United States.

Kobo Clara Colour The Kobo Clara Colour was released on 30 April 2024. It is also marketed as repairable, with a 6-inch E-Ink Kaleido 3 color display. Its accessory covers are compatible with the Kobo Clara BW. A white version of the device with the same technical specifications was released on 23 September 2025 after popular demand.

Kobo Libra Colour The Kobo Libra Colour was released on 30 April 2024. It is marketed as repairable, with a 7-inch E-Ink Kaleido 3 color display and support for the Kobo Stylus 2 in all applications.

Discontinued

Kobo eReader Kobo Inc. announced its first e-reader on 24 March 2010, at the CTIA show. The device was officially released on 1 May 2010. It had expandable memory, holding an additional 4 GB via an SD slot and limited wireless connectivity via Bluetooth to select Blackberry wireless devices. It was available in black or white and came preloaded with 100 public domain books. It was manufactured by Netronix Inc., a Taiwan based company with factories in Taiwan and China. The pricing strategy of the original Kobo, at US$149, was to rival the Amazon Kindle, which was US$110 more expensive. However, in June 2010, just after the Kobo was released, Amazon dropped the price of the Kindle to US$189. Its pricing strategy in Australia was similarly aggressive where it was available for A$199, again A$100 less than the Kindle. Borders Australia said that they hoped to sell high volumes of the Kobo to drive up sales at their e-content store. The original Kobo received a mediocre review from CNET. The review said that, while the Kobo was compact, lightweight and affordable, the lack of Wi-Fi or 3G made it outdated, especially when there were similarly priced eReaders available with those features. In December 2010, the original Kobo's feature set was updated with a firmware update to more closely match the Wifi model.

Kobo Wi-Fi A new model with Wi-Fi capability was released on 15 October 2010. It included an improved processor, screen, and new colour choices (porcelain/metallic silver, porcelain/pearlized lilac, and onyx). The SD expansion had been improved to claim a capacity for up to 10,000 books with a 32 GB SD card. Other improvements included a longer battery life and a built-in dictionary. Like the original model, the Wi-Fi model came pre-loaded with 100 public domain books.

Kobo Touch

The Kobo Touch was released in June 2011. It introduced an infrared 6-inch touchscreen interface. Other improvements compared to the Kobo Wi-Fi included an E Ink Pearl screen, a faster processor capable of PDF panning, 802.11n capability, and reduced size and weight.

Kobo Glo

The Kobo Glo was an e-reader released on 6 September 2012. It was a front-lit, touch-based E Ink reader. The Kobo Glo supported most ebook standards, including EPUB. It had a 6-inch touchscreen, 1024 × 768 resolution, 213 ppi, 6.53 oz, 2 GB of storage, and supported microSD.

Kobo Mini

… excerpt ends here. Continue reading the full article.

Illustrations

Worked examples

Example 1 — a first encounter with Kobo eReader

Start with the simplest possible case. Write down what Kobo eReader 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 Kobo eReader 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 Kobo eReader 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 Kobo eReader

In research: Kobo eReader 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 Kobo eReader 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: Kobo eReader is common in secondary-school and first-year university syllabi. It links to neighbouring topics Computer-related introductions in 2010, Dedicated ebook devices, Electronic paper technology, so understanding it makes those chapters shorter.
In everyday life: Look for Kobo eReader 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 Kobo eReader in 20 minutes

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

Frequently asked questions

What is Kobo eReader in simple terms?

Why does Kobo eReader 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 Kobo eReader?

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 Kobo eReader.