Question $15$

If the instruction's operation code is $5$ bits long, how many unique instructions can it represent?

$16$

$32$

$64$

$128$

Question $16$

Which of the following circuit is used to store one bit of data?

Flip Flop

Decoder

Encoder

Register

Question $17$

Subtraction in computers is carried out by

$1\text{'}$s complement

$2\text{'}$s complement

$3\text{'}$s complement

$9\text{'}$s complement

Question $18$

In which of the following form the computer stores its data in memory?

Hexadecimal form

Octal form

Binary form

Decimal form