Electronics and Communication Engineering - Digital Electronics

1. 

In a JK flip flop toggle means

A. set Q = 1 and Q = 0
B. set Q = 0 and Q = 1
C. change the output to the opposite state
D. no change in output

Answer: Option C

Explanation:

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2. 

How many flag are there in 8085 microprocessor?

A. 4
B. 5
C. 6
D. 8

Answer: Option B

Explanation:

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3. 

A microcomputer has a 64 K memory. What is the hexadecimal notation for the first memory location?

A. 0000
B. FFFF
C. 0FFF
D. 3FFF

Answer: Option A

Explanation:

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4. 

Binary 101010 is equivalent to decimal number

A. 24
B. 42
C. 44
D. 64

Answer: Option B

Explanation:

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5. 

Each cell of a static RAM has

A. 4 MOS transistors
B. 4 MOS transistors and 2 capacitors
C. 2 MOS transistors and two capacitors
D. 1 MOS transistor and 1 capacitor

Answer: Option A

Explanation:

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