Key press detection and Key identification are:

Related MCQs

• Which of the following steps detects the key in a 4*4 keyboard matrix about the key that is being pressed?
• In a punching press, which of the following quantity is constant?
• In a punching press, load is 0 at the time of punching.
• To detect that in which column, the key is placed?
• In reading the columns of a matrix, if no key is pressed we should get all in binary notation
• If we need to operate a key of a keyboard in an interrupt mode, then it will generate what kind of interrupt?
• To identify that which key is being pressed, we need to:
• Power is transmitted by an electric motor to a machine by using a belt drive. The tensions on the tight and slack side of the belt are 2200 N and 1000 N respectively and diameter of the pulley is 600 mm. If speed of the motor is 1500 r.p.m, find the power transmitted.
• 45 N/mm2. The connecting rod length between centres is 1.2 m and the cylinder bore is 0.5 m. If the engine runs at 250 r.p.m. and if the effect of piston rod diameter is neglected, calculate the net load on piston.
• 6 kN/m and the damping constant of the damper is 400 Ns/m. If the mass is 50 kg, then the damping factor (d ) and damped natural frequency (fn), respectively, are