Electrical Engineering Test 3

Total Questions: 9

1 - Transfer of ASCII codes from a microprocessor to a printer must be done on handshake basis because
A ) open collector buffers are used on a signal & data line
B ) Microprocessor can send characters much faster than printer can print them ✅
C ) Sometimes parallel printer in a system don't have BIOS procedure
D ) Both A and C

2 - Which is not a type of key switch?
A ) Mechanical key switch
B ) Capacitive key switch
C ) Hall effect key switch
D ) Maxwell's key switch ✅

3 - Specifying the kind of Input, processing and output required for a program occur when
A ) Defining the problem ✅
B ) Planning the problem
C ) Flowcharting the problem
D ) Coding the problem

4 - In bus topology, what is 'backbone'?
A ) Hup
B ) TAP
C ) Log cable ✅
D ) Backup server

5 - Which statement is not true about VHDL (VHSIC hardware description language)?
A ) VHDL is an IEEE standard language
B ) VHDL is strongly typed language
C ) VHDL is case sensitive ✅
D ) VHDL Is developed as a part of very high-speed integrated circuit (VHSIC)

6 - The main drawback of a feedback system is

A ) Inaccuracy
B ) Instability ✅
C ) Inefficiency
D ) Insensitivity

7 - Transient response of system is basically due to

A ) Coupling
B ) Forces
C ) Friction
D ) Stored energy ✅

8 - If current and voltage are out of phase by 90 degrees then power is
A ) Zero ✅
B ) Minimum
C ) Maximum
D ) √3 VI

9 - The instantaneous value of sinusoidal AC current at 45° Is called

A ) Peak to peak value
B ) RMS value ✅
C ) Peak value
D ) Average value
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