(c) Assume that location Y in ADD Y instruction is 105 and it carries a value of 13d. By ignoring the black box determine the appropriate value in the white blank box of Table Q51(c). Steps initial FETCH RTN MAR← PC IR- ← MDR PC PC +1 ← DECODE decode IR EXECUTE AC MDR + AC Table Q51: PC 101 101 101 IR MAR 101 101 101 101 MDR ADD y ADD y 2 ADD y ADD y AC 2 2 2

(c) Assume that location Y in ADD Y instruction is 105 and it carries a value of 13d. By ignoring the black box determine the appropriate value in the white blank box of Table Q51(c). Steps initial FETCH RTN MAR← PC IR- ← MDR PC PC +1 ← DECODE decode IR EXECUTE AC MDR + AC Table Q51: PC 101 101 101 IR MAR 101 101 101 101 MDR ADD y ADD y 2 ADD y ADD y AC 2 2 2

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Similar questions

BX=FFFF, after instruction INC BX is executed, CF ||
The instruction LH is a/an- R-format instruction |-format instruction J-format instruction Save
The instruction used to fill DX with the its sign bit is: * CWD SAR DX, 1 SAR DX, SF SHR DX, CL SHR DX, SF SAR DX, 10 SAR DX, [SF] SAR DX, 16
(d) The table below shows the ALUcontrol signal of the datapath we discussed in class. Instruction Funct ALU Орсode ALUop ALU action operation field control Iw 00 load word XXXXXX add 0010 Sw 00 store word XXXXXX add 0010 beq 01 branch equal subtract 0110 XXXXXX R-type 10 add 100000 add 0010 R-type 10 subtract 100010 subtract 0110 R-type 10 AND 100100 AND 0000 R-type 10 OR 100101 OR 0001 R-type 10 set on less than 101010 set on less than 0111 You want to add the bne instruction into the datapath, which already includes the required hardware for the instruction. Write out the ALUop for bne and how you can determine whether the bne results in the branch to be taken.
Computer Science Consider the following comparison instruction:TST R0, R1, ASR #1 ; R0 = 0x12345678 and R1 = 0xDB97530F(i) Appraise the value of the condition flags (N, Z, C, V) after the execution of the instruction. Use the values of R0 and R1 provided in the instruction comment.(ii) The conditional branches are BHS, BLO, BLT and BPL. From the condition flag bits appraised in Question 2(b)(i), determine which of the above conditional branches will be executed.
Question 2 Let's assume %rcx = 1F5 and %rax= C3F (Hexadecimal representation). What is the value in %rcx after the following instruction: OR %rax, %rcx Provide answer in hexadecimal representation. Acceptable answer format: 3FD or 3fd or (3fd)16 or (3FD)16 Question 4 Let's assume %rsi = (2DE) 16 and %rdx= (FC2) 16 (Hexadecimal representation). What is the value in %rdx after the following instruction: AND %rsi, %rdx Provide answer in hexadecimal representation. Acceptable answer format: 3FD or 3fd or (3fd)16 or (3FD)16 Question 5 What is the two's complement of (11000000)2? Question 5 options: Question 6 What is the decimal value of the signed integer (11110100) 2?
Find the pyhsical destination adress of last instruction below. MOV BX,0AAH MOV AX,1BBH MOV DS,AX MOV[BX],AX
ASSEMBLY The ROR instruction is only suitable for signed integers. True False
4. Which segment will be accessed for the instruction MOV [BX],AH.
ASSEMBLY The XOR instruction inverts each bit in a destination operand. True False
The instruction used to copy two bytes from the stack to the Flags Register is: SAHF CMC PUSHF LAHF POPF STC The instruction that can be used to exchange between BL and BH is: * ROL BX, 4 ROL BL, BH ROR BX, 16 ROR BH, BL ROR BX, 8 RCR BX, 8 RCR BL BH To divide the signed number in AX by 2 using shift operations, which instruction should be used: * SAL AX, 1 SHL AX, 2 SAL AX, 2 SHL AX, 1 SHR AX, 1 SHR AX, 2 SAR AX, 1 SAR AX, 2
Q): For the circuit in Figure. write a sequence of instruction to poll switch at 16 of 74F244 that is connected to port 7. Include in the solution the steps required to get the address for the port 7 before writing polling instruction. 0286 UN ACK 19 ALE AD-AD MO DEN RO AD AD- CLK 747373 A3291 leth G 747245 Data but Tarecever bi-drections) DR 18 Ata Au 4 Demultiplexing A₂ A B C 747131 Input Output F₁ Addren decoder 0,0 P₁ Decoder 0-0- CLK 74F374 Cuput Patt DE 74F244 Input Pot Bufer Latch or buffer LED Voc Vbc Input/output