Electronics and Communication Engineering - Digital Electronics

The number of distinct Boolean expression of 4 variables is

The fixed count that should be used so that the output register will represent the input for a 6 bit dual slope A/D converter uses a reference of -6v and a 1 MHz clock. It uses a fixed count of 40 (101000).

For the K map in the given figure the simplified Boolean expression is

A memory system of size 16 k bytes is to be designed using memory chips which have 12 address lines and 4 data lines each. The number of such chips required to design the memory system is

In a 7 segment display, LEDs b and c lit up. The decimal number displayed is