Questions

Firstly, I focussed on "If you remove my 1st & 2nd letters, you can't see me". The first thing that comes to mind which we can’t see is the "AIR".

So now, what 4 letter words can be formed ending with "AIR"? Think of all the words from A to Z, considering which one lies above you. That is how we get to "HAIR".

Now, which 5 letter word can be formed ending with "HAIR"? Starting with A to Z, we reach "CHAIR" and also, it lies below us.

And the required answer is "CHAIR".

One way is shorting the two inputs of the NAND gate and passing the input.

truth table:

A B output

1 1 0

0 0 1

The second way is passing the input to only one input (say A) of the NAND gate. Since the other input  (say B is floating, it is always logic one.

Truth table:

A B output

1 1 0 

0 1 1

The myofibrils are composed of actin and myosin filaments, repeated in units called sarcomeres, which are the basic functional units of the skeletal muscle.

Dull means not sharp, not shining, not bright, ...

Hence, the given words are all that means the opposite of dull.

GDPR stands for the General Data Protection Regulation. The GDPR is a piece of EU legislation passed by the European Parliament in 2016.

It aims to make it simpler for people to control how companies use their personal details.

Companies will not be allowed to collect and use personal information without the person's consent.

Data includes things like a person's name, email address and phone number, and also internet browsing habits collected by website cookies.

Newton's III law involved