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Instruction formats and addressing modes

Authored by Carlos Tessier

Computers

University

Used 4+ times

Instruction formats and addressing modes
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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

What RISC-V format corresponds the image?

R-type

I-Type

S-Type

U-Type

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

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

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

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

Immediate

Implicit

Direct

Indirect

Relative

4.

FILL IN THE BLANK QUESTION

1 min • 10 pts

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

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

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

6.

FILL IN THE BLANK QUESTION

1 min • 10 pts

Media Image

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

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

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

-28

-24

40

21

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