COS 1521 ASSIGNMENT 2

Question 1(OPTION 4 IS CORRECT) 4.MEMORY ADDRESSES CANNOT BE STORED AS SIGNED INTEGERS. Question 2(OPTION 2 IS CORRECT) 2.EPROM The main difference between PROM EPROM and EEPROM is that PROM is programmable only once while EPROM is reprogrammable using ultraviolet light and EPROM is reprogrammable using an electric charge. ROM, which stands for Read Only Memory, stores the instructions required to start a computer. It is a non-volatile memory. Question 3(OPTION 3 IS CORRECT) 3. A SMALL SET OF INSTRUCTIONS DO A MINIMUM NUMBER OF OPERATIONS. RISC means Reduced Instruction Set Computer. Here the complex instructions are reduced to subset of simple instructions. Question 4(OPTION 2 IS CORRECT) 2.The control unit orders the system to copy the next instruction into the instruction register during the fetch cycle. During the fetch stage, the address stored in the PC is copied into the memory address registe