Digital Systems Quiz

What is a microoperation?

• A method for transferring data between computers

• A type of programming language

• An elementary operation on data stored in registers

• A complex operation performed on data

What does the register transfer language describe?

• The programming languages used in digital systems

• The physical layout of a computer

• The types of digital components used in computers

• The sequence of operations performed on data in registers

Which of the following is NOT a type of microoperation?

• Shift

• Transfer

• Execute

• Load

What is the purpose of a bus system in a digital computer?

• To execute arithmetic operations

• To transfer information between multiple registers efficiently

• To connect the CPU to the power supply

• To store data permanently

What does the control function in register transfer notation signify?

• The type of data being transferred

• The timing of the transfer operation

• The size of the registers involved

• The condition under which the transfer occurs

Which register is typically used to hold the address for the memory unit?

• Instruction Register (IR)

• Program Counter (PC)

• Memory Address Register (MAR)

• Data Register (DR)

What is the result of an arithmetic shift-left operation?

• Divides the number by 2

• Inverts the bits of the number

• Multiplies the number by 2

• Leaves the number unchanged

What does the symbol 'R1 <- R2 + R3' represent?

• R1 is transferred to R2

• R1 is loaded with the sum of R2 and R3

• R1 is incremented by R2

• R1 is cleared

Which of the following operations is performed by a binary adder?

• Subtraction

• Division

• Multiplication

• Addition

What is the primary function of the arithmetic logic unit (ALU)?

• To control input and output devices

• To perform arithmetic and logic operations

• To store data

• To manage memory