Q.121 Auto dialing allows:
(A) to dial phone numbers by typing them on the keyboard
(B) a personal computer to answer incoming calls without human assistance
(C) both (A) and (B)
(D) None of these
Q. 122 If we get both local and remote echoes, every character we type will appear on the screen.
(A) once
(B) twice
(C) three times
(D) none of these
Q.123 Synchronous protocols.
(A) transmit characters one at a time.
(B) allow faster transmission than asynchronous protocols do.
(C) are generally used by personal computers.
(D) all of these
Q.124 To avoid transmission errors, a check figure is calculated by.
(A) transmitting computer
(B) receiving computer
(C) a personal computer
(D) all of these
Q.125 To set up a bulletin board system we need a …
(A) smart modem with auto answer capabilities.
(B) telephone line
(C) personal computer
(D) all of these
Q.126 Information utilities.
(A) are usually free
(B) can be used to send electronic mail.
(C) are run by companies that sell time on their time shared mainframe computers
(D) Both (A) and (B)
Q.127 An information utility can offer a user..
(A) instant bond and stock quotations.
(B) news stories from wire services
(C) complete airline schedules for all domestic flights
(D) all of these
Q.128 An encyclopedic database is….
(A) an information utility that specializes in storing and searching information
(B) generally free
(C) easy for beginners to use
(D) all of these
Q.129 The economics of computing dictates….
(A) sharing peripherals and data
(B) giving processers to people who need processing time and instantaneous response
(C) both (A) and (B)
(D) all of these
Q.130 To connect a computer to a device in the same room, we might be likely to use a….
(A) coaxial cable
(B) dedicated line
(C) ground station
(D) all of these
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