| 1. | The practical use of binary-weighted digital-to-analog converters is limited to: ? | |
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R/2R ladder D/A converters
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4-bit D/A converters
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8-bit D/A converters
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op-amp comparators
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Report Question| 2. | A 4-bit R/2R digital-to-analog (DAC) converter has a reference of 5 volts. What is the analog output for the input code 0101 ? | |
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0.3125 V
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3.125 V
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0.78125 V
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-3.125 V
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| 3. | A modulus-12 ring counter requires a minimum of ________ ? | |
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10 flip-flops
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12 flip-flops
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6 flip-flops
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2 flip-flops
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| 4. | A sequence of equally spaced timing pulses may be easily generated by which type of counter circuit ? | |
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ring shift
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clock
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Johnson
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binary
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| 5. | A 4-bit shift register that receives 4 bits of parallel data will shift to the ________ by ________ position(s) for each clock pulse ? | |
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right, one
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right, two
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left, one
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left, three
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| 6. | How many clock pulses will be required to completely load serially a 5-bit shift register ? | |
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2
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3
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4
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5
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| 7. | How is a strobe signal used when serially loading a shift register ? | |
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to turn the register on and off
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to control the number of clocks
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to determine which output Qs are used
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to determine the FFs that will be used
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| 8. | Ring shift and Johnson counters are: ? | |
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synchronous counters
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aynchronous counters
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true binary counters
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synchronous and true binary counters
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| 9. | How much storage capacity does each stage in a shift register represent ? | |
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One bit
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Two bits
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Four bits (one nibble)
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Eight bits (one byte)
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| 10. | How many flip-flops are required to make a MOD-32 binary counter ? | |
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3
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45
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5
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32
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