Option D is the answer because Digital Certificate is an entity that generates electronic and distributes them upon proving their identity sufficiently. In early days there was issues with people using the certificates that were not even issued by the organizations. Today it's a cryptographic technique which uses digital signatures and gives users a digital certificate that can be authenticated anytime online by any organization and is unique for every user having it.
Option A cannot be the answer because it has nothing to do with the identity of person but rather it is for specific fields.
Option B is not answer because it has no key and score matter to do with it.
Option C Web transactions has nothing to do with the certificates.
Answer:
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Explanation:
Answer:
Explanation:
Concurrent Process model can be regarded as evolutionary process model as well as software engineering is concerned, it allows to know the current state of activities as well as their associated states.
The set of states In the concurrent process model are:
✓awaiting changes
✓Inactive
✓baselined
✓under development
✓under revision
✓under review
✓done
The stated "states" above give a representation of externally observable mode as regards to the behaviour of activities of a particular software engineering.
The existence of activities of software engineering do exist at same period
In concurrent process model, though each of the activities occur in different states so that process network is produced. The movement from one state to another of activity of software engineering is as a result of
predefined events.
Answer: Multitasking is the ability of the operating system by which a processor is able to process multiple task at the same time.
Cooperative multitasking is non preemptive multitasking where the processor is assigned to a single process and does not preempt until it completes its jobs or moves to a waiting state.
Explanation:
In Multitasking jobs are executed at a faster rate than as many jobs or tasks can be assigned to the processor at the same time.
In cooperative multitasking due to the non preemptive nature a single job could be assigned to the cpu at a time.
