MPMC & Signals - 3rd year EIE
How many buses are connected as part of the 8085A microprocessor?
The ensures that only one IC is active at a time to avoid a bus conflict caused by two ICs writing different data to the same bus.
The control bus and memories share a bidirectional bus in a typical microprocessor system.
Because, microprocessor CPUs do not understand mnemonics as they are, they have to be converted to ___________
hexadecimal machine code
binary machine code
all of the above
A register in the microprocessor that keeps track of the answer or results of any arithmetic or logic operation is the:
Which of the following buses is primarily used to carry signals that direct other ICs to find out what type of operation is being performed?
address decoder bus
The work of EU is
The BIU prefetches the instruction from memory and store them in
A 20-bit address bus allows access to a memory of capacity
_________signal prevent the microprocessor from reading the same data more than one
If a signal f(t) has energy E, the energy of the signal f(2t) is equal to
The Fourier series of an odd periodic function, contains only
The amplitude spectrum of a Gaussian pulse is
a sine function
an impulse function
The Fourier transform of a conjugate symmetric function is always
Flat top sampling of low pass signals
gives rise to aperture effect
leads to aliasing
introducing delay distortion
The Nyquist sampling interval, for the signal sinc(700 t) + sinc(500 t) is
Compression in PCM refers to relative compression of
higher signal amplitudes
lower signal amplitudes
lower signal frequencies
higher signal frequencies
The region of convergence of the z – transform of a unit step function is
|z| > 1
|z| < 1
(Real part of z) > 0
(Real part of z) < 0
The z – transform of a signal is given by (z) =1/4 z^−1(1 – z^−4)/ (1 – z^−1)^2 . Its final value is
A bandlimited signal is sampled at the Nyquist rate. The signal can be recovered by passing the samples through
an RC filter
an envelope detector
an ideal low-pass filter with the appropriate bandwidth
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