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Questions and Answers
What will be the output of an even parity generator when the input data is 0111?
What will be the output of an even parity generator when the input data is 0111?
In octal, what is the equivalent of the number 140?
In octal, what is the equivalent of the number 140?
When will the output of a NOR gate be high?
When will the output of a NOR gate be high?
How many flip-flops are required to construct a mod-30 counter?
How many flip-flops are required to construct a mod-30 counter?
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How many address bits are needed to represent a 32k memory?
How many address bits are needed to represent a 32k memory?
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What operation is equivalent to shifting a register content to the left by one bit position?
What operation is equivalent to shifting a register content to the left by one bit position?
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Study Notes
Digital Logic Set 4
Parity Generator
- Even parity generator output is 1 when input data is 0111
Number System
- The octal number 140 is equivalent to 96 in decimal
Logical Gates
- NOR gate output is high when both inputs are 0
Flip-Flop
- 5 flip-flops are required to construct a mod 30 counter
- The output of SR flip-flop when S = 1, R = 0 is 1
Memory and Addressing
- 15 address bits are required to represent a 32k memory
- 4 control lines are required for a 16-to-1 multiplexer
Multiplexers and Demultiplexers
- The number of control lines for a 16-to-1 multiplexer is 4
Memory Types
- SRAM requires refreshing
- EPROM is a type of non-volatile memory
Shift Register
- Shifting a register content to the left by one bit position is equivalent to multiplication by 2
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Description
Test your knowledge on even parity generators, octal numbers, NOR gates, flip-flops, and address bits in the context of digital logic. This quiz covers topics like binary to octal conversion, gate outputs, counter construction, and memory addressing.
