Q1. A 328 ROM chip with an enable input, illustrate the external connection essential to construct a 1288 ROM by using four chips and a decoder.
Q2. Draw a 4 bit adder subtractor by using 4 full adders. The input signal if 0 makes it an adder and when signal is 1, makes it subtractor.
Q3. In brief describe a 2-pass assembler.
Q4. Write down the following in the reverse Polish notation:
(A+B) * [C * (D+E)+F]
Q5. The cache memory of 2 K words employs direct mapping with a block size of 8 words. Determine the number of blocks which the cache can accommodate?
Q6. Illustrate the difference between the micro-instruction and micro-code.
Q7. Write down a detail note on the virtual memory.