Which kind of PC (Personal Computer) favorite to you for easy usage? (1) Desk (2) Laptop (3) Tablet

I prefer use Desktop

Each of these form factors have its own use. Desk tops are the most suitable for the office environment where security, maintenance and backups are central and controlled by the company's IT team. Laptops are necessary for users on the move who spend most of thier time outside the office or the professionals who need to present their business cases outside the companys' walls. Taps mainly provide mobile connectivity to the Internet. Everyone needs to select the form factor suitable for his/her use.

Personally, I use a laptop and a tab. In my first IT course int the univirsity, I learned then that the dream of the industry is to come up with one device to perform all your computing and communications task. That dream is not yet realised.

None of the mentioned but Smartphones.

for me I prefer Tablet. Easy to use and very handy. 

i think laptop is better :)

l prefer a laptop,l actually have one.lt enables me to keep my things secure.

I prefer the laptop, of course!  =)

Each of the types has its pros and cons

I would say Tablet is the easiest to use

That depends:1. Desktop:

(+) Excessive computing power

(+) Enormous connectivity options

(+) Easily upgradable

(-) Not Transferable

(-) More power consumption

(-) More noise than laptop

2. Laptop:

(+) Portable

(+) Less power consumption

(+) Enormous connectivity options

(+) Upgradable with limitations

(-) Weight increases when power increases

(-) More heat will be produced when at peak usage

3. Tablet:

(+) Extremely Portable and very light in weight

(+) Very Less power consumption

(+) Limited connectivity options

(-) Limited Processing Speed

(-) Not upgradable

(-) Battery back up limitations in multiple usage scenarios

For professional use I prefer tablet.