Answer:
SEO stands for “search engine optimization.” In simple terms, it means the process of improving your site to increase its visibility for relevant searches.
SEM, or search engine marketing, is the act of using paid strategies to increase search visibility.
<span>When using Microsoft Word, the "Print Preview" presents the most accurate view of how the document will look when it is printed. When using "Print Preview" the entire page is displayed on screen, making it easier to see what adjustments should be made to the page layout, such as spacing or text size.</span>
The answer is Laser Printer. It is a non impact printer that creates characters and images with dots by using a drum and toner. The main advantages of laser printers are speed, precision and economy. A laser can move very quickly, and because the laser beam has an unvarying diameter, it can draw more precisely, without spilling any excess ink.
Cache memory is a high-speed memory that stores the instructions and data that have been frequently accessed. It decreases the time it takes to decode the instructions stored in the instruction pipeline.
A. It decreases the time it takes to decode instructions stored in the instruction pipeline.
<u>Explanation:</u>
Whenever an instruction is invoked or some data is accessed, the CPU looks for it in the cache memory before accessing the main memory.
If the content is found in the cache memory, it accessed from there and then and hence the access time and decode time is reduced as there were no main memory lockups.