Count down to zero loops are better. Reason behind this is that at loop termination, comparison to zero can be optimized by the compiler. Most processors have instruction for comparing to zero. So they don't need to load the loop variable and the maximum value, subtract them and then compare to zero. That is why count down to zero loop is better.
The number of valence electrons in pentavalent impurity is A. 5 B. 4 C. 3 D. 1
In a coaxial cable, braided copper is used for A. conductor B. shield C. dielectric D. jacket
Which element exhibits the property of inertia? A. Resistance B. Capacitance C. Inductance D. Both resistance and inductance
In atomic physics, a state with l = 0 is called p state. A. True B. False
Material which lack permanent magnetic dipoles are known as A. paramagnetic B. diamagnetic C. ferromagnetic D. ferrimagnetic
If the diameter of a wire is doubled, its current carrying capacity becomes A. one-fourth B. half C. twice D. four times
The hysteresis phenomenon in ferromagnetic materials exists at all temperatures. A. True B. False
There is no hysteresis phenomenon is any dielectric material. A. True B. False
A copper atom is neutral. Its core has a net charge of A. 0 B. + 1 C. - 1 D. + 2
The attraction between the nucleus and valence electron of copper atom is A. zero B. weak C. strong D. either zero or strong
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