Top 250+ Solved Computer Architecture and Organization MCQ Questions Answer
Q. Random things in a communication system are
a. timing offset
b. device frequency
c. attenuation
d. all of the mentioned
Q. Which can be used for periodic and non periodic?
a. fourier series
b. fourier transforms
c. fourier series & transforms
d. none of the mentioned
Q. A band-pass signal has a Fourier transform equal to
a. one
b. zero
c. infinity
d. cannot be determined
Q. A band-pass signal has
a. dc component
b. no dc component
c. no side lobes
d. cannot be determined
Q. Which are orthonormal signal representation?
a. sine and cosine at same frequency
b. wavelets
c. complex sinusoids at a different frequency
d. all of the mentioned
Q. Constellation diagram is plotted in
a. constellation space
b. signal space
c. orthogonal space
d. boundary space
Q. Cumulative distributive function is
a. non negative
b. non decreasing
c. non negative & decreasing
d. none of the mentioned
Q. Which of the following tasks is not done by data link layer?
a. framing
b. error control
c. flow control
d. channel coding
Q. Which sublayer of the data link layer performs data link functions that depend upon the type of medium?
a. logical link control sublayer
b. media access control sublayer
c. network interface control sublayer
d. error control sublayer
Q. Header of a frame generally contains
a. synchronization bytes
b. addresses
c. frame identifier
d. all of the mentioned
Q. When 2 or more bits in a data unit has been changed during the transmission, the error is called
a. random error
b. burst error
c. inverted error
d. double error
Q. CRC stands for
a. cyclic redundancy check
b. code repeat check
c. code redundancy check
d. cyclic repeat check
Q. Which of the following is a data link protocol?
a. ethernet
b. point to point protocol
c. hdlc
d. all of the mentioned
Q. Which of the following is the multiple access protocol for channel access control?
a. csma/cd
b. csma/ca
c. both csma/cd & csma/ca
d. hdlc