1. MARIE has __________ instructions.
   1. 4
   2. 16
   3. 12
   4. 8

2. A computers ISA (Instruction Set Architecture) has fixed-length instructions. Each instruction is 24-bits. The instruction has an 8-bit opcode. How much memory can be addressed?
   1. 64KB
   2. 32MB
   3. 64MB
   4. 16KB
   5. 32KB

3. MARIE contains ________ registers.
   1. 7
   2. 1
   3. 2
   4. 16

4. MARIEs MBR (Memory Buffer Register) is __________ bits.
   1. 16
   2. 8
   3. 4
   4. 12