Bits can be send over guided and unguided media as analog signal by___________________?

Related Mcqs:

1. In analog computer_______________________?

   A. Input is never converted to digital form
   B. Input is first converted to digital form
   C. Output is displayed in digital form
   D. All of the above

2. The original ASCII code used ___________________ bits of each byte, reserving that last bit for error checking ?

   A. 4
   B. 5
   C. 7
   D. 9

3. When 2 or more bits in a data unit has been changed during the transmission, the error is called___________________?

   A. random error
   B. burst error
   C. inverted error
   D. none of these

4. The domain name system is maintained by___________________?

   A. distributed database system
   B. a single server
   C. a single computer
   D. none of these

5. Instructions and memory addresses are represented by___________________?

   A. binary word
   B. parity bit
   C. binary codes
   D. character codes

6. In the network HTTP resources are located by___________________?

   A. uniform resource identifier
   B. unique resource locator
   C. unique resource identifier
   D. none of the above

7. Which transmission media has the highest transmission speed in a network ?

   A. coaxial cable
   B. twisted pair cable
   C. optical fiber
   D. electrical cable

8. The portion of physical layer that interfaces with the media access control sublayer is called_____________________?

   A. physical signalling sublayer
   B. physical data sublayer
   C. physical address sublayer
   D. none of these

9. All of the following storage media have read and write capabilities except _____________________?

   A. Flash memory cards
   B. CD-ROMs
   C. Hard disk drives
   D. Floppy disks

10. Which of the following are advantages of CD-ROM as a storage media ?

    A. CD-ROM is an inexpensive way to store large amount of data and information
    B. CD-ROM disks retrieve data and information more quickly than magnetic disks do
    C. CD-ROMs make less errors than magnetic media
    D. All of these