Computer Data Conversion

Which register is being described?

Stores the results of the calculations done by the ALU

• MAR

• MDR

• Accumulator

• Program Counter

Which register is being described?

Holds the memory address about to be used by the CPU

• MAR

• MDR

• Accumulator

• Program Counter

Which statement is TRUE?

• Registers are super fast memory, stores tiny instructions which can be accessed by the CPU quickly

• Registers are super fast memory, stores lots of instructions which can be accessed by the CPU slowly

What connects the processor and memory?

• Buses
• Cache
• NIC
• Control Unit

Which of these is not a bus within the computer?

• I/O Bus
• Address Bus
• Data Bus
• Control

Which of these buses is bi-directional?

• Data Bus
• Control Bus
• Address Bus
• Cache Bus

The small high speed storage areas within the memory and processor are known as..?

• Registers
• Addresses
• Cache
• Buses

The MDR, MAR, PC & CIR are all examples of..?

• Registers
• Addresses
• Buses
• Control Units

Which of the following is not a register?

• CU
• MAR
• MDR
• PC

Program counter holds the address of next instruction.

instruction register holds_________

• the address of current instruction

• the instruction

• address of next instruction

• none of these