In 8279 Status Word, data is read when ________ pins are low, and write to the display RAM with ____________ are low.

Related MCQs

• In 8279, the keyboard entries are de bounced and stored in an _________, that is further accessed by the CPU to read the key codes.
• In 8279 Strobed input mode, the control line goes low. The data on return lines is strobed in the ___________.
• The 8279 normally provides a maximum of ________ seven segment display interface with CPU.
• The pins are _______ data lines and are connected to data bus in system
• In 8279, a scanned sensor matrix mode, if a sensor changes its state, the __________ line goes ___________ to interrupt the CPU
• The microprocessor can read/write 16 bit data from or to ________
• Which of the following statements on DRAM are correct? Page mode read operation is faster than RAS read. RAS input remains active during column address strobe. The row and column addresses are strobed into the internal buffers using RAS and CAS inputs respectively
• For the most Static RAM the write pulse width should be at least
• Primary function of memory interfacing is that the _________ should be able to read from and write into register
• _____ has certain signal requirements write into and read from its registers