MARIE Instruction Format Quiz

What is the purpose of a hardwired control unit in a computer system?

How do microprogrammed control units differ from hardwired control units?

In a computer system, what keeps all the components synchronized?

How are programs typically run on computers?

What is the key function of the control unit in a computer system?

How are machine instructions decoded in a hardwired control unit?

What is a key tradeoff to consider when choosing between stack, accumulator, and general purpose register architectures?

In an accumulator architecture, what is the main disadvantage regarding operands?

What distinguishes a general purpose register architecture from an accumulator architecture in terms of efficiency?

Which type of system is most common today according to the text?

How do stack machines handle LOAD and STORE instructions differently?

What do PUSH and POP operations primarily involve in stack architectures?

In the RTL for CLEAR: AC 0, what is the purpose of this instruction?

In the loop section of Example 4.2, what is the purpose of the instruction LOAD Ctr?

In Example 4.3, what is the purpose of the SKIPCOND 400 instruction?

In Example 4.4, what is the purpose of the program?

In the loop section of Example 4.2, what is the purpose of the instruction LOAD Sum ADDI Next STORE Sum?

In Example 4.3, what is the purpose of the instruction LOAD Y Subt X STORE Y?

What is the purpose of the MAR register in the MARIE architecture?

In the LOAD instruction RTL, what is the purpose of the first microoperation: MAR X?

In the ADD instruction RTL, what is the purpose of the second microoperation: MBR M[MAR]?

Which of the following statements about the MARIE ISA is correct?

What is the purpose of the register transfer language (RTL) in the context of the MARIE architecture?

If we have a 16-bit instruction format and want to allow for a variable length opcode, which of the following is the maximum number of distinct opcodes we can encode?

In the example given, what is the total number of bits required to encode the instruction set with 3 instructions having two 3-bit operands, 2 instructions with one 4-bit operand, and 4 instructions with one 3-bit operand?

Which of the following is NOT a broad category of instructions mentioned in the text?

What does the term 'effective address' refer to in the context of addressing modes?

If an instruction has two 3-bit operands and a 2-bit opcode, what is the minimum instruction length (in bits) required to encode this instruction?

In the example encoding shown, which opcode corresponds to an instruction with one 4-bit operand?