In 8255A, there are _________ I/o lines

Related MCQs

• 8255A contains_________ ports each of 8 bit lines
• There are ________ address bus in 8255A
• In 8255A the ____ is controlled by control registers
• In 8255A __________ is used for input operation
• In 8255A _________ is used for handshaking operation
• The 8255A is available with ________
• 8255A operates with ________ power supply
• The _________ input to 8255A is usually activated by Microprocessor in system
• To interface memory with the microprocessor, connect register the lines of the address bus must be added to address lines of the _______ chip
• The port lines are connected to data lines of the _____