Answer: e) only A and B are correct
Explanation: Google + is a service that is used for social networking. It is like the other social networking devices work and provides similar services like searching, connecting people etc. This service was not successful approach among the users.Thus it was shut down at the certain point of time.
It had the mechanism in which the circles was used got the targeting and used for connecting account with other Google services.It also had the feature introduced named hashtag searches for searching but then discontinued this feature.So, only statement(a) and (b)are correct.Thus option(e) is the correct option.
It would take 2 consultants 30 hours to create a slide deck of 120 slides.
Explanation:
Rate of slide making by one consultant- 2 slides per hour
Target- 120 slides
2 consultants are employed in the job-
Since 2 consultants are employed in the job, total rate of making slides per hour would be 4 slides/hour (2*2 slides/hour)
Time required to complete 120 slides= total slides/rate of doing slides per hour
Substituting the values, we get
Time required= 120/4= 30 hours
Hence, it would take 30 hours for 2 consultants to create a slide deck of 120 slides.
Answer: Hub
Explanation:
Hub is a electronic and networking device that is placed in a network to maintain a common link with the multiple attached devices. Hub is situated at the physical layer of the Open systems interconnection(OSI) model.
- Hub is used for creation of link between numerous local area network sections as it persist various ports which replicates data packet and distributes to other ports.
- There are different types of hub for different purpose of connection such as USB hub, Ethernet hub etc.
