1000+ Microcontroller MCQ Questions and Answers Pdf - 1

Question: 1

The term duplex refers to the ability of the data receiving stations to echo back, a confirming message to the sender. In full duplex data transmission, both the sender and the receiver

(A) can do one way data transmission only

(B) can send or receive data one at a time

(C) cannot talk at once

(D) can receive and send data simultaneously

Question: 2

Two basic functions of all communications software are

(A) hardware and software sharing

(B) database management and file security

(C) error detection and file correction

(D) terminal emulation and file transfer

Question: 3

A subdivision of main storage created by operational software is referred to as a

(A) partition

(B) divided core

(C) compartment

(D) time shared program

Question: 4

Which word best describes the execution of programs on a multi-tasking system?

(A) parallel

(B) concurrent

(C) sequential

(D) simultaneous

Question: 5

Which of the following performs modulation and demodulation?

(A) coaxial cable

(B) modem

(C) satellite

(D) fiber optic