A simple way to convert parallel to serial data is to use ________
A) a FIFO memory B) a binary to hexadecimal converter
C) a full-adder D) a parallel in serial out shift register
D
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"Breakdown voltage" is the voltage at which a Zener diode will do which of these?
A) Stop the flow of reverse current B) Sustain damage as a result of current overload C) Allow reverse current to flow D) Stop the flow of either forward or reverse current
What allows input and output devices to be identified by a port number?
A) I/O-mapped I/O B) stack pointers C) program counters D) memory-mapped I/O
What is the current across the LSB "rung" of a 4-bit R/2R Ladder DAC if the reference voltage is 4 V and R is 5 k??
A) 125 ?A B) 250 ?A C) 100 ?A D) 50 ?A
Residential air conditioning systems have a superheat range of __________ degrees under normal operating conditions.
A. 8 to 12 B. 6 to 10 C. 10 to 15 D. 1 to 5