In a 7 segment display, LEDs b and c lit up. The decimal number displayed is
Answer: D
No Explanation.
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Assertion (A): The access time of memory is lowest in the case of DRAM
Reason (R): DRAM uses refreshing cycle.
Answer: D
DRAM has lower speed than SRAM.
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Logic hardware is available only in NAND and NOR.
Answer: B
Other gates are also available.
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BCD input 1000 is fed to a 7 segment display through a BCD to 7 segment decoder/driver. The segments which will lit up are
Answer: C
1000 equals decimal 8 Therefore all segments will lit up.
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Zero suppression is not used in actual practice.
Answer: B
Zero suppression is commonly used.
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Which of these are two state devices?
Answer: D
Each has 2 states.
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The number of flip flops needed for a Mod 7 counter are
Answer: C
No Explanation.
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A 3 bit up-down counter can count from
Answer: C
Since it is an up-down counter it can count upwards or downwards.
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A Karnaugh map with 4 variables has
Answer: D
No Explanation.
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