Explanation:
Technology should not be used to teach in school as it can lead to distractions. With kids wanting to explore other sights, cheating, and communicating with others. Also, it can be expensive to purchase the technology for everyone as it can be a major investment with hundreds or thousands going into it. Technology also requires a lot of training by having to adapt lessons compatible with the systems and making sure the software is secure.
The procedure is known as<u> context switching</u>.
In the field of computers, context switching can be described as a procedure in which a process is stored so that it can be executed at a later point. Such a procedure allows multitasking operations easier. A simple CPU can be utilized for multiple processes.
After a task is done, it can be swapped out of the CPU and can be restored later. By using context switching, more space can be provided on a CPU as freeing from one process will make space for the other.
When switching a process, the status of the older running process is saved on the CPU as registers.
Context switch makes it feasible to share one CPU for multiple procedures hence reducing the concerns that arise from using additional processors.
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A dial-up access connection supports a speed up to <u>5</u><u>6kbps</u>, whereas an ISDN line goes up to 1.9Mbps. A DSL connection can support a maximum of 20<u>mbps</u>. Internet access speed through cable TV is capable of up to 1000mbps.
Dial-up connection is by far the slowest of all known internet connections. The maximum speeds that can be supported by this connection are about 56Kbps. Use of this type of connection requires a separate phone line. In an ISDN type of connection, the maximum speeds depend on where in the world you are. The highest to have ever been recorded is an ISDN E1 line that has a combined data rate of 1.9 Mbit/s. Speeds transmitted through DSL are generally the same ones that are transmitted through cable internet and satellite connection. You can expect DSL speeds of 512Kbps to a max of 20Mbps. The cable internet is a broadband internet access and the highest bit rates of cable internet can go be up to 1GBPS which is equivalent to 1000Mbps.
