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Advantages and disadvantages: Chromebooks vs. tablets

23 September 2024

Chromebooks and tablets are two categories of mobile computers that have become increasingly popular in recent years. A Chromebook is a laptop computer that uses the Chrome OS operating system from Google. Chromebooks are characterised by their light weight and high portability. They offer access to a wide range of applications and services via the Google Play Store. Tablets are portable devices with touchscreen displays that are often used with pens or external [...]

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Significance of the electro-acoustic system (ELA)

The history of electroacoustic systems (ELA) dates back to the early 1920s, when the first attempts were made to transmit sound signals via electrical cables. In the 1930s, companies such as Siemens and Telefunken began to develop ELA systems for use in public buildings, factories and other commercial facilities. However, these early systems were still quite primitive and could only transmit simple voice announcements. In the 1950s and 1960s