TEE$105/03$ Digital Electronics

May $2024$

$($b$)$ Convert the octal numbers into binary numbers and decimal numbers:

$($i$)358$

$(2$ marks$)$

$($ii$)778$

$(2$ marks$)$

$($c$)$ Convert the binary number $1101$ to Grey code. Then, convert the Grey code

result to binary to verify your answer.

$(4$ marks$)$

$($d$)$ Given a $3-$bit Grey code sequence $100,$ perform the following operations:

$($i$)$ Convert this Grey code sequence to binary.

$(3$ marks$)$

$($ii$)$ Convert the resulting binary sequence to its decimal equivalent.

$(3$ marks$)$

$($iii$)$ Calculate the next Grey code sequence in the sequence.

$(5$ marks$)$

$($Total: $25$ marks$)$