The two key elements of any computer system are the
a. hardware, software
c. monitor, mouse
b. network, keyboard
d. hard drive, cpu

What does josh silverman name as the most important aspect of managing finances?

The forerunner to cell phones, pdas, and smartphones was

Ihave a singular monitor that is a tv for my computer. recently, i took apart my computer and put it back together. when i put in the hdmi cord and booted the computer to see if it worked, the computer turned on fine but the screen was blue with "hdmi no signal." i've tried everything that doesn't require buying spare parts, any answer is appreciated!