Answer: Computer generations: There was First Generation 50s,60s. 2nd 60s,70s, 3rd, 70s, Present, and 4th Future.
Computer evolutions: The first modern computer was created in the 1930s and was called the Z1, which was followed by large machinery that took up entire rooms. In the '60s, computers evolved from professional use to personal use, as the first personal computer was introduced to the public.
Explanation: This took me about 10 minutes. Enjoy.
Answer:
C: The protocols of the Internet are open and used by all devices connected to the network
Explanation: Hope this helps.
There are billions of devices connected to the Internet, and hundreds of different kinds of devices: laptops, tablets, phones, refrigerators, handheld credit card readers, and so on. Protocols (standards) ensure that the variety of devices interact with each other smoothly. There are a lot of protocols! The Internet was designed with several layers of abstraction that sort the protocols according to what part of the process they support.
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Answer:
Direct data access reduces the speed of retrieving data from memory or storage. Retrieving data and storing it in a cache memory provides direct access to data in the storage.
Explanation:
Sequential memory access, as the name implies, goes through the memory length location in search of the specified data. Direct memory access, provides a memory location index for direct retrieval of data.
Examples of direct and sequential memory access are RAM and tapes respectively. Data in sequential memory access can be access directly by getting data in advance and storing them in cache memory for direct access by the processor.
