microcomputer /mī-krō-kəm-pūˈter/

1. An old name for a small computer containing a microprocessor, often used as the control unit for some instrument, tool, etc, or as a personal computer
2. The microprocessor itself

• have an eye to the main chance
• have an itching palm
• have an oar in another's boat
• have another think coming
• have ants in one's pants
• have a pop at
• have a problem with
• have a right
• have a rod in pickle
• have a roof over one's head
• have a roving eye
• have a screw loose
• have a shot
• have a stab at
• have at
• have a temperature
• have at heart
• have a thick skin
• have-at-him
• have a thin skin
• have a tile loose
• have a time of it
• have a way with
• have a way with one
• have a wolf by the ears