Answer:
The program written in Python is as follows
Explanation:
Disk access is way slower than
memory access. Caching is a technique to improve the disk access time. Block cache is a caching technique which
reduces disk accesses time. Here a
portion of disk is bought to cache for reading and a modified blocks are first
changed in cache but reflected in the disk at one go. On the other hand with write through caching
each modified block is written to cache and at the same time it is written to
the disk. Write- through caching
requires more disk I/O so they can have a negative effect on the performance.
Answer: TRUE
Explanation: Networking technology is the term used to describe the entire processes through which computer or mobile systems are linked up either through optic fibers,wireless systems in order to enhance effective communication across networks or regions.
OSI (open system interconnection), the earliest models partitions into seven layers and the OSI is known as model that creates partitioning a communication system classing them into abstraction layers.
Mostly teenagers and young adults (ages 14-21) text the most.