Every "real" computer needs a proper front panel
Side and top view of system. The first card is the CPU card, the second is the interface to the front panel subsystem and the third is a 256 byte memory card. The motherboard also contains a few bits of the circuitry.
4K byte memory card, the point to point wiring construction is much neater on this one.
256 byte memory card with a switch to select bus or external power. Note power connector on right side of card. How many times can one person toggle in that monitor program!