Digital computer has a common bus system for 4 registers (A, B, C, D) of 8 bits ach.
(a) Construct the common bus system with multiplexers; show their inputs
and their selection variables (S0, S1).
(b) Draw a diagram of a bus system, using three-state buffers and a decoder.

The higher the astm grain size number, the finer the gran is. a)-true b)-false

Have a greater impact on maintenance productivity than any other support group. (clo5) a)-the top management b)-inventory and purchasing c)-sub-contracting d)-cmms

Asolid cylinder is concentric with a straight pipe. the cylinder is 0.5 m long and has an outside diameter of 8 cm. the pipe has an inside diameter of 8.5 cm. the annulus between the cylinder ad the pipe contains stationary oil. the oil has a specific gravity of 0.92 and a kinematic viscosity of 5.57 x 10-4 m2/s. most nearly, what is the force needed to move the cylinder along the pipe at a constant velocity of 1 m/s?