Related Questions

Switching of a lamp in house produces noise in the radio. This is because switching operation produces
A Arcs across separating contacts
B Mechanical noise of high intensity
C Both mechanical noise and arc between contacts
D None of the above
Examples are packet switching using frame relay, and cell switching using ATM technologies. Select the best fit for answer:
A Bandwidth alternatives
B Switching alternating
C Inter organizational networks
D Extranets
E None of the above
The hardware device Jhat acts as both a switching and connecting unit is called a(n):
A concentrator
B RS-232C port
C multiplexer
D communications processor
E None of the above
Which of the following represents examples of an IT input device, output device and storage device respectively ?
A bar code reader, CD drive, projector
B keyboard, monitor, hard disc
C printer, DVD drive, joystick
D printer, mouse, monitor
Which of the following starts working first after switching of the computer?
A RAM
B BIOS
C Processor
D Hare Disk
Which among the following act as a switch in switching regulator?
A Rectifiers
B Diode
C Transistors
D Relays
Which of the following acts as a protection against high voltage surges due to lightning and switching?
A Horn gaps
B Thermal overload relays
C Breather
D Conservator
Which of the following is not a factor to consider when switching from small to large block size?
A The length of all of the fields in a table row
B The number of columns
C Block contention
D Random row access speed
Which of the following statements is correct for the use of packet switching?
A the subdivision of information into individually addressed packets in conjunction with alternative routing arrangement enabled the transmission path to be altered in the event of congestion or individ
B the employment of additional intelligence within the network enabled more sophisticated error control and link control procedures to be applied
C by employing wide bandwidth circuits for the trunk networks substantial economies through extensive sharing of capacity could be achieved.
D All of the above
E None of the above
In a four-day period Monday through Thursday each of the following temporary office workers worked only one day, each a different day. Ms. Johnson was scheduled to work on Monday, but she traded with Mr. Carter, who was originally scheduled to work on Wednesday. Ms. Falk traded with Mr. Kirk, who was originally scheduled to work on Thursday. After all the switching was done, who worked on Tuesday?
A Mr. Carter
B Ms. Falk
C Ms. Johnson
D Mr. Kirk

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