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The communication mode that supports data in both directions at the same time is
Which of the following communications modes support two-way traffic but in only one direction of a time?
If communication software can be called the "traffic cop" of a micro communication system, then what should the modem be called?
The method of communication in which transmission takes place in both directions, but only one direction at a time is called
As road "traffic" increases, elevated "highways" are built to help solve "the" problem of traffic "jam".
As ——— traffic means —__——traffic accidents, . people should use public transportation more.
As road traffic increases, elevated highways are built to solve the problem of traffic jam. (Identify the incorrect part of the sentence)
Identify the error from the following underlined parts of the sentence. As road traffic (a) increases, elevated highways (b) are built to help solve (c) the problem of traffic jam (d). 
A,B,C,D,E,G and I are seven friends who study in three different standards namely 5th, 6th and 7th such that not less than two friends study in the same standard. Each friend also has a different favorite subject namely History, Civics, English, Bangla, Science , Maths , and Economics but not necessarily in the same order. A likes Maths and studies in the 5th standard with only one other friend who likes Bangla. I studies with tow other friends . Both the friends who study with I like languages (Here languages include only Science , English and Bangla ) . D studies in the 6th standard with only one person and does not like Civics . E studies with only one friend . The one who likes history does not study in 5th or 6th standard . E does not like languages. C does not like English , Science or Civics. Which combination represents E's favorite subject and the standard in which he studies?
Q.(1-4): Answer the questions on the basis of the information given below. * F,G and H are insurance companies , Q,R,S and T are private detectives .Each detective works for at least one of the insurance companies. * Q always works for F and at least one of the other companies. Some of the time G employs only one of these detectives,' the rest of the time it employs exactly two of them. *F and H each employ exactly two of these detectives all the time. If R works for H only, and if S works for G and H only, T works for--