- Fig. 11: Binary counter using incrementer

- Fig. 12: Binary counter using adder

- Fig. 13: Shift register

- Fig. 14: FIFO using counters

- Fig. 1: Block diagram of Memory

- Fig. 2: Schematic diagram of SRAM cell

- Fig. 3: Schematic diagram of DRAM cell

- Fig. 4: Normal switch and ROM switch

- Fig. 5: Cross section of EPROM with floating gate
