Port A and Port B are used individually as _______ I/o ports

Related MCQs

• In multiplexing, the data lines and output ports are time shared by ______
• 8255A contains_________ ports each of 8 bit lines
• I/o ports of programmable devices are limited in current capacity, therefore, additional transistors or ICs called ________
• The ______ provide the capability of eight I/o ports in interfacing circuit
• ________ are transferred on the data lines between microprocessor and internal port or control register
• The port lines are connected to data lines of the _____
• _________ is used to refresh D-Ram and regular intervals and provide timing signals
• OCW1 is used to set and read _____
• ______ is used to transfer data between microprocessor and I/o process
• The device such as buffer and batches are used as ____________