1000+ Microprocessor MCQ Questions and Answers Pdf - 2

Question: 6

Which of the following communications lines is best suited to interactive processing applications?

(A) mixedband channels

(B) full duplex lines

(C) simplex lines

(D) arroband channels

Question: 7

Which transmission mode is used for a data communication along telephone lines?

(A) synchronous

(B) asynchronous

(C) serial

(D) parallel

Question: 8

Most data communications involving telegraph lines use

(A) dialed service

(B) narrowband channels

(C) wideband channels

(D) simplex lines

Question: 9

Which of the following is not a transmission medium?

(A) microwave systems

(B) modem

(C) coaxial cable

(D) telephone lines

Question: 10

Access in magnetic drum memory is

(A) partly random and partly cyclic sequential

(B) sequential and cyclic

(C) completely random

(D) a cyclic sequential