Instruction formats and addressing modes

What RISC-V format corresponds the image?

• R-type

• I-Type

• S-Type

• U-Type

The pseudo-instruction mv reg2, reg1 what is equivalent to

• add reg2, zero, reg1

• and reg2, zero, reg1

• sub reg1, zero, reg2

• or reg1, zero, reg2

The instruction li a0 0x25 what type of addressing mode is?

• Immediate

• Implicit

• Direct

• Indirect

• Relative

What instruction load in R1 the word stored in address (IEEE 694)

What is a NO a disadvantage of Direct addressing with operand in memory?

• memory access time is larger than register access time

• large fields involve large instructions

• capacity is smaller than register file

• All statements are true

what is the value for end_while label in the instruction bge t1 t0 end_while?

what is the value for end loop1 label in beq x0 x0 loop1?

• -28

• -24

• 40

• 21

What instruction allocate a new word in the stack memory and save the value of register t0?

• push t0

• pop t0

• sw t0, 0(sp)

• lw t0, 0(sp)

What type of addressing mode bne t0 t1 label

• Direct to memory

• Indirect to register

• Relative to PC

• Implicit

A computer with an instruction set of 120 , how many bits need to store the operation code

• 7

• 6

• 8

• 5