Thiết kế mạch điện logic có 4 ng tilde o vào D, C, B và A. Ngõ ra y ở mức HIGH chỉ khi có 2 ngõ vào là mức LoW

a. Lập bảng sự thật đầy đủ cho cho hàm y.

b. Viết và rút gọn hàm y.

c. Vẽ sơ đồ mạch logic cho hàm y rút gọn dùng các cổng logic.

Shafts are machine elements that are used to a) carry axial loads b) direct shear loads c) transmit power d) rotate at constant speed e) none of the above circular and square shafts subjected to the same torque under the same circum behave a) the same way b) almost the same way

In general, how do thermosetting plastics compare to thermoplastics in mechanical and physical properties?

An external consultant recommends that a plant installs a bank of capacitors for power factor correction. this will reduce the peak electrical demand charges by an average of 93 kw every month. the plant current pays $13 per kw in peak demand charges. the capacitor bank will include 223 kw of fixed capacitors, and 183 of variable capacitors. the fixed capacitors cost $59 per kw, and the variable capacitors will cost $65 per kw. the consultant charges 21% of the equipment costs to install the capacitors. because this project will reduce the demand for the electric utility, they are prepared to provide a one-time rebate of $42 per kw of reduced demand. what is the simple payback period for this project (in years)?