It depends entirely on the computer. Some were relatively small, others were larger than a trailer.
250 pounds
Around 4000 lbs
Around 3100-3200 lbs
The colossus computer weighed over 100 pounds
Computer storage does not have any mass.
A ream of computer paper ways just over 1 kilogram.
Around 4100-4300 lbs depending on bodystyle
The Apple 1 computer weighed about 24 pounds.
The exact weight depends on the exact computer. It would weigh 1/6 of whatever it weighs on Earth. So if the computer weighed 10 pounds, it would weigh 1-2/3 pounds on the moon.
It's my impression that the F150 was not introduced until 1975.
If it is a 4X4short wheel base, it's GVM is 2770kg
A computer would typically be weighed in pounds because it is a small and light item. Tons are typically used to weigh much heavier objects like vehicles or large machinery.