In a standard 9-pin DB-9 RS-232 serial interface connector, which pin number is assigned to TD / TXD (Transmitted Data)?
Ch 11: Real-Time Interrupts & Timer Programming
Technical study of timer channels, programming PIT control word registers (port 0x43), divisor calculations (1193180 / frequency), hooking timer tick interrupt 08h, and rendering on-screen digital clocks.
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CS401 - Computer Architecture and Assembly Language Programming Examination Practice
Timed practice exam simulation for CS401 - Computer Architecture and Assembly Language Programming.
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Describe the function of BIOS INT 14h Service 02h for serial communications.
In BIOS INT 14h serial communication routines, what are the specific functions of registers AH, AL, and DX?
What is the standard hardware connector designation for a 25-pin parallel printer port?
On a standard 9-pin DB-9 RS-232 serial communications connector, which pin is assigned to TD (Transmitted Data / TXD)?
On a standard 9-pin DB-9 RS-232 serial communications connector, which pin is assigned to RD (Received Data / RXD)?
On a standard 9-pin DB-9 RS-232 serial interface connector, which pin is assigned to Signal Ground (GND)?
Which range of physical pin numbers on a standard DB-25 parallel printer port connector are connected to system Ground (GND)?
On a standard 9-pin DB-9 RS-232 serial communications connector, which pin number is assigned to DSR (Data Set Ready)?
On a standard 9-pin DB-9 RS-232 serial interface connector, which pin is assigned to DSR (Data Set Ready)?