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Digital transformation (DT) is the process of adoption and implementation of digital technology [1] [2] [3] by an organization in order to create new or modify existing products, services and operations by the means of translating business processes into a digital format.
A discrete cosine transform (DCT) expresses a finite sequence of data points in terms of a sum of cosine functions oscillating at different frequencies.The DCT, first proposed by Nasir Ahmed in 1972, is a widely used transformation technique in signal processing and data compression.
Compared to a traditional U.S. math curriculum, Singapore math focuses on fewer topics but covers them in greater detail. [3] Each semester-level Singapore math textbook builds upon prior knowledge and skills, with students mastering them before moving on to the next grade.
SlideShare is an American hosting service, now owned by Scribd, for professional content including presentations, infographics, documents, and videos. Users can upload files privately or publicly in PowerPoint, Word, or PDF format. Content can then be viewed on the site itself, on mobile devices or embedded on other sites.
Although Covid-19 is often discussed in reference to its negative effects on society, some would argue that it acted as a catalyst for the digital transformations in education. [3] On the other hand, other researchers argue that the investments directed towards acceleration of digitalization during the pandemic were obsolete for the digital ...
The skills and competencies considered "21st century skills" share common themes, based on the premise that effective learning, or deeper learning, requires a set of student educational outcomes that include acquisition of robust core academic content, higher-order thinking skills, and learning dispositions.
Video technology [112] has included VHS tapes and DVDs, as well as on-demand and synchronous methods with digital video via server or web-based options such as streamed video and webcams. Videotelephony can connect with speakers and other experts. Interactive digital video games are being used at K-12 and higher education institutions. [113]
Lectures are recorded to video, audio or both, then uploaded and made viewable on a designated site. Students may go to a certain designated site to view the lecture online at a time which is convenient for them. The lecture may also be available for live viewing online at the time it is recorded.