Latest Multiple Choice Questions of Data Communication

Computer Awareness Questions 

Q.31 Auto dialling 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. 32 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.33 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.34 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.35 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.36 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.37 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.38 An encyclopedic database is….

(A) an information utility that specializes in storing and searching for information

(B) generally free

(C) easy for beginners to use

(D) all of these

Q.39 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.40 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