AET Digital Electronics and Microprocessors

Question 1

What is the decimal equivalent of the binary number 1010?

Accepted Answer

10

Answer

Binary 1010 equals (1×8) + (0×4) + (1×2) + (0×1) = 10 in decimal.

Question 2

Which logic gate produces a HIGH output only when ALL inputs are HIGH?

Accepted Answer

AND gate

Answer

An AND gate outputs HIGH only when every input is HIGH; any LOW input forces the output LOW.

Question 3

How many bits are contained in one byte?

Accepted Answer

8

Answer

By definition, one byte consists of 8 bits, allowing values from 0 to 255.

Question 4

Which type of memory retains its stored data when electrical power is removed?

Accepted Answer

ROM

Answer

ROM (Read-Only Memory) is non-volatile and retains data without power, unlike volatile RAM types.

Question 5

Which flip-flop has a single input that toggles the output state on each active clock edge?

Accepted Answer

T flip-flop

Answer

The T (Toggle) flip-flop changes its output on every active clock edge when the T input is HIGH.

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