{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

# Exam 2 - ECE 250 EXAM 2 Closed book multiple choice exam...

This preview shows pages 1–2. Sign up to view the full content.

ECE 250 EXAM # 2 Name : ______ Closed book, multiple choice exam. Choose the one best answer. Lab Section : ________ 1. If Q D Q C Q B Q A = 1101 initially, what are the contents of the shift register below after the input sequence SI = 101110 is applied? (Assume 6 clock pulses are used.) 1) 1111 2) 1001 3) 0110 4) 1101 5) 1110 2. What frequency clock source will produce clock waveforms having a period equal to 50 μ sec? 1) 2 kHz 2) 20 kHz 3) 5 MHz 4) 200 kHz 5) 50 MHz Note: μ = micro = 10 -6 m = milli = 10 -3 k = kilo = 10 +3 M = Mega = 10 +6 3. What transient state does a 4-bit ripple counter transit through between count = 0101 and count = 0110? 1) 0001 2) 0010 3) 0011 4) 0100 5) 0111 4. In general, the Next State of a sequential logic circuit is determined by the: 1) MEMORY ELEMENTS 2) INPUT LOGIC BLOCK 3) OUTPUT LOGIC BLOCK 4) INPUTS only 5) OUTPUTS only 5. Q n+1 is stable over which of the following clock regions? 1) Region A 2) Region B 3) Region C 4) Region D 5) Region E 6. The sequential logic circuit shown below represents most closely the basic architecture of a: 1) Data-latch register 2) Ripple counter 3)

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 4

Exam 2 - ECE 250 EXAM 2 Closed book multiple choice exam...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online