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Digital Electronics

Digital Electronics
Four ROM chips of 16 × 4 size have their address buses connected together. This system will be of size

 256 × 1
 16 × 16
 32 × 8
 64 × 4

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Digital Electronics
The binary code of (21.125)10 is

10101.01
10100.111
10101.001
10100.001

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Digital Electronics
An all or nothing gate is the other name of

 X-NOR gate
 OR gate
 X-OR gate
 AND gate

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Digital Electronics
XNOR followed by a NOT gate is equivalant to ________ gate

 XNOR
 OR
 XOR
 NOR

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Digital Electronics
In an SR latch built from NOR gates, which condition is not allowed

 S=1, R=1
 S=1, R=0
 S=0, R=0
 S=0, R=1

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Digital Electronics
The decimal equivalent of hexadecimal number “BEED” is

 47,877
 none
 48,877
 48,777

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