List of practice Questions

The number of hardware interrupts (which require an external signal to interrupt) present in an 8085 microprocessor are:
What is the vector address of RST 6.5 interrupt?
How many special function registers are there in 8051 microcontroller?
The binary representation of the decimal number 1.375 is
Which of the following controller produces zero offset?
A $100\ \Omega$, 1 W resistor and a $800\ \Omega$, 2 W resistor are connected in series. The maximum DC voltage that can be applied continuously to the series circuit without exceeding the power limit of any of the resistors is:
Which of the following logics possesses highest noise immunity?
What decides the bit size of 8085 microprocessor?
What is the maximum addressing capacity of 8085 microprocessor?
For increasing the range of voltmeter, connect a:
A dual-trace CRO has:
In electrodynamometer type wattmeter, the inductance of pressure coil produces error. The error is:
The phenomena of ‘creeping’ occurs in:
A moving-coil instrument gives full-scale deflection for 1 mA and has a resistance of $5\ \Omega$. If a resistance of $0.55\ \Omega$ is connected in parallel to the instrument, what is the maximum value of current it can measure?
In a permanent magnet moving coil instrument, if the control spring is replaced by another one having a higher spring constant, then the natural frequency and damping ratio will:
Rectifier moving coil instrument responds to:
Normal EEG frequency range is ............
Which of the following is a wireless ECG acquiring system?
Recording electrical activities associated with heart is known as .............
Welsh cup electrodes have .............
In X-ray spectrometers, the specimen or the sample is placed after which of the following components?
In calibration of a dynamometer Wattmeter by potentiometer, phantom loading arrangement is used because:
Which rhythm is the principal component of the EEG that indicates the alertness of the brain?
Disturbance in the EEG pattern resulting from the external stimuli is called .............
On testing a blood sample it is found that it contains 15 g of Hb per decilitre of blood sample and a PVC of 0.45. Find the mean cell haemoglobin concentration for the blood sample: