1. How many chip-select address lines are required to access a memory bank of 8 4M X 16 RAM chips?
   1. 4
   2. 3
   3. 8
   4. 2

2. MARIE has 4K words of word-addressable main memory. How many address lines are need to access a memory word?
   1. 16
   2. 12
   3. 8
   4. 20

3. MARIE has 4K words of word-addressable main memory. Each word is ________.
   1. 64
   2. 8
   3. 16
   4. 32

4. MARIE has a 4-bit opcode. How many opcodes can MARIE support?
   1. 4
   2. 8
   3. 32
   4. 16