Answer:
Process scheduling is needed in a uni-processor system to provide a balanced mix of jobs.
Explanation:
It selects processes from the queue and loads them into memory for execution. Process loads into the memory for CPU scheduling. The primary objective of the job scheduler is to provide a balanced mix of jobs, such as I/O bound and processor bound.
Answer: a)Recursive
Explanation: Recursive DNS( Domain Name System) is the server that support the DNS servers in authority.They help in the management of the load that gets produced by the requests from the user. The load is managed by splitting/distributing so that the website requests becomes supportive and load can be relieved.
Other options are incorrect because they don't revert with the query message for the DNS servers processing .Thus, the correct option is option(a).
Answer:
B- label
Explanation:
A label is an entry such as a text within a cell that describes particular rows and columns. Labels are usually found at the top of the particular row/column they are identifying.
Hence, the texts "2016 Sales" and "Travel Expenses" are labels that identify cells such as the values of the sales in 2016 of a company and expenses spent on travel in a year of a family.