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Digital Logic Design

QuestionAnswer
How many Flip-Flops are required for mod–16 counter? (A) 5 (B) 6 (C) 3 (D) 4 4
A ring counter consisting of five Flip-Flops will have (A) 5 states (B) 10 states (C) 32 states (D) Infinite states 5 states
How many flip-flops are required to construct mod 30 counters? (A) 5 (B) 6 (C) 4 (D) 8 5
The Q of a JK flip flop is ‘1’. It changes to ‘0 ‘ when a clock pulse is applied then the input J and K are respectively (A) 0 and X (B) 1 and X (C) X and 1 (D) X and 0 X and 1
In D latch (A) The Q output follows the D input when enable is low (B) The Q output opposite the D input when enables is low (C) The Q output follows the D input when enable is high (D) The Q output is high regardless of enables input state The Q output follows the D input when enable is high
How many address bits are required to represent a 32 K memory? (A) 10 bits (B) 12 bits (C) 14 bits (D) 16 bits 16 bits
Which of following requires refreshing? (A) SRAM (B) DRAM (C) ROM (D) EPROM DRAM
Created by: roopam
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