Practice Problems

Problem 1.

What components make up a DRAM bit cell?

Problem 2.

Explain why DRAM exhibits slower access times than SRAM.

Problem 3.

Which type of memory is non-volatile?

Problem 4.

The program shown below calculates the average of three numbers. After eight CPU cycles have executed, determine the values of the Instruction Register (IR), the accumulator, and RAM address 12.

Problem 5.

The assembly program shown below compares two numbers. After five CPU cycles have executed, determine the values of the Program Counter (PC), Instruction Register (IR), accumulator, and RAM address 8.

Additionally, determine the values of the Program Counter (PC) and Instruction Register (IR) at the beginning of the sixth CPU cycle.