1.1 and 1.2 Computer Science Quiz

Which of these is NOT an embedded system?

• Thermostat

• Sat Nav

• Xbox

• Washing Machine

Which register stores the address of the NEXT instruction to fetched from memory?

• Program Counter (PC)

• Memory Address Register (MAR)

• Memory Data Register (MDR)

• Accumulator (ACC)

Which register stores the address of the CURRENT instruction being fetched from memory?

• Program Counter (PC)

• Memory Address Register (MAR)

• Memory Data Register (MDR)

• Accumulator (ACC)

Which register stores the DATA from the address of the current instruction?

• Program Counter (PC)

• Memory Address Register (MAR)

• Memory Data Register (MDR)

• Accumulator (ACC)

Which register stores the RESULT of calculations from the ALU?

• Program Counter (PC)

• Memory Address Register (MAR)

• Memory Data Register (MDR)

• Accumulator (ACC)

Which of these is a component?

• Program Counter (PC)

• Control Unit (CU)

• Memory Data Register (MDR)

• Accumulator (ACC)

Which of these is a register?

• Input

• Control Unit (CU)

• Arithmetic Logic Unit (ALU)

• Accumulator (ACC)

What performs mathematical calculations and logical operations?

• Memory Data Register (MDR)

• Control Unit (CU)

• Arithmetic Logic Unit (ALU)

• Accumulator (ACC)

Which of these is NOT a type of storage technology?

• Magnetic

• Sold State

• Optical

• USB

Which of these is TRUE about ROM?

• It has large capacity

• It is volatile

• It contains the BIOS

• It is fast