MICROPROCESSOR

The rise time is the time it takes a pulse to go from _______.

• the base line to the maximum HIGH voltage

• 10% of the pulse amplitude to the maximum HIGH voltage

• the base line to 90% of the pulse amplitude

• 10% of the pulse amplitude to 90% of the pulse amplitude

In a certain digital waveform, the period is four times the pulse width. The duty cycle is _______.

• 0%

• 25%

• 50%

• 100%

A certain gate draws 1.8 uA when its output is HIGH and 3.3 uA when its output is LOW. What is the average power dissipation if V_CC is 5V and the gate is operated on a 50% duty cycle?

• 14 uW

• 1.27 uW

• 12.75 uW

• 5 uW

For a CMOS gate, which is the best speed-power product?

• 1.4 pJ

• 1.6 pJ

• 2.4 pJ

• 3.3 pJ

Which is not part of emitter-coupled logic (ECL)?

• Differential amplifier

• Bias circuit

• Emitter-follower circuit

• Totem-pole circuit

In general, the ______ have the smallest bit size and the _____ have the largest.

• EEPROMs, Flash

• SRAM, mask ROM

• mask ROM, SRAM

• DRAM, PROM

How many address bits are needed to select all memory locations in the 2118 16K x 1 RAM

• 8

• 10

• 14

• 16