Systems Architecture
7th Edition
ISBN: 9781305080195
Author: Stephen D. Burd
Publisher: Cengage Learning
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Textbook Question
Chapter 4, Problem 21VE
The components of an instruction are its _____ and one or more _____.
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Memory addressing mode means _____.
a. the address of the data for the instruction is stored in memory.
b. the data for the instruction is stored in memory.
c. the data for the instruction is stored in the MAR.
38.
_________ register keeps tracks of the instructions stored in program stored in memory.
a.
AR (Address Register)
b.
XR (Index Register)
c.
PC (Program Counter)
d.
AC (Accumulator)
9. The instruction that subtracts 1 from the contents of the specified register/memory location
is:
A. INC
B. SUBB
C. SUB
D. DEC
Chapter 4 Solutions
Systems Architecture
Ch. 4 - Prob. 1VECh. 4 - ________________ generates heat in electrical...Ch. 4 - Prob. 3VECh. 4 - Prob. 4VECh. 4 - Prob. 5VECh. 4 - One _________________ is one cycle per second.
Ch. 4 - Prob. 7VECh. 4 - When an instruction is first fetched from memory,...Ch. 4 - Prob. 9VECh. 4 - Prob. 10VE
Ch. 4 - Prob. 11VECh. 4 - Prob. 12VECh. 4 - The contents of a memory location are copied to a...Ch. 4 - Prob. 14VECh. 4 - A(n) ________________ instruction always alters...Ch. 4 - Prob. 16VECh. 4 - A(n) ____________________ instruction copies data...Ch. 4 - The CPU incurs one or more _________________ when...Ch. 4 - The CPU incurs one or more _____ when its idle,...Ch. 4 - In many CPUs, a register called the _____ stores...Ch. 4 - The components of an instruction are its _____ and...Ch. 4 - Two 1-bit values generate a 1 result value when...Ch. 4 - A(n) _____ operation transforms a 0 bit value to 1...Ch. 4 - _____ predicts that transistor density will double...Ch. 4 - A(n) _____ is a measure of CPU or computer system...Ch. 4 - _____ is a CPU design technique in which...Ch. 4 - Describe the operation of a MOVE instruction. Why...Ch. 4 - Prob. 2RQCh. 4 - Prob. 3RQCh. 4 - Prob. 4RQCh. 4 - Prob. 5RQCh. 4 - Prob. 7RQCh. 4 - Prob. 8RQCh. 4 - Prob. 9RQCh. 4 - How does pipelining improve CPU efficiency? What’s...Ch. 4 - Prob. 11RQCh. 4 - Develop a program consisting of primitive CPU...Ch. 4 - If a microprocessor has a cycle time of 0.5...Ch. 4 - Processor R is a 64-bit RISC processor with a 2...Ch. 4 - Prob. 4PECh. 4 - Prob. 1RPCh. 4 - Prob. 2RPCh. 4 - Prob. 3RP
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- 8). The addressing mode of the operand address in the register is called _______ addressing.arrow_forwardIt is the job of this function to count the amount of CPU instructions required by each statement at the source level.arrow_forwardIn counter-controlled iteration, a(n)___________ is used to count the number of times a group of instructions should be repeated.arrow_forward
- d. traditional The major CPU structure component is which is responsible of Select one: ut of 2 a. Control unit, controls the CPU operation OF b. Registers, long term storage C. ALU, performs Arithmetic operation only d. All Optionsarrow_forwardObjective Learn the basic structure of an assembly program, Data Memory Map how to read the 8-bit instruction setreference and Address Offset Data become familiar with a few commands. Ob00001000 1 Ob10010011 Ob00000101 2 Lab 3 4 Task 1: Walk through the assembly program below and fill out the data memory map (right). If a value changes during the program, you only need to 7 record the final value. Unless otherwise stated all 8. memory locations contain a value of 0. 10 11 12 :Program for task 1 :Definitions 13 14 .EQU myData=0x21 .DEF config=R4 15 Ob10100101 Ob10111001 16 17 :Main 18 .CSEG 19 .ORG Ox0000 20 LDI R16, Ob00001000 MOV RO, R16 21 22 LDI R16, Ob10010011 MOV R1, R16 23 24 LDI R16, Ob01010101 ANDI R16,Ob00001111 25 26 MOV R2, R16 ORI R16, Ob10100101 LDI R17,20 ADD R17, R16 27 28 29 MOV R3, R16 30 MOV config, R17 OUT O, R3 31 32 CBI 0,1 IN R5,0 STS myData, RO SBI 1, 6 SBI 1,7 LDS R6, myData 33 1. 34 2 35 3 36 4 37 5 38 6.arrow_forward37. Describe the operation that is performed by the following instruction sequence. MOV BL, [CONTROL_FLAGS] AND BL, 08H XOR BL, 08H MOV [CONTROL_FLAGS], BLarrow_forward
- The difference between internal and external memory is an essential aspect in the comparison between the two kinds of memory.arrow_forwardJP label instruction belongs to _____. a. Register addressing b. Direct addressing c. Relative addressing d. Register Indirect addressingarrow_forwardThe main and secondary memory distinctions should be noted.arrow_forward
- The two parts of a microprocessor instructions are called the operation and the ______.arrow_forward59. The number of instructions being executed defines the a. Instruction count b. Hit time c. Clock rate d. All abovearrow_forward18.The instruction that is used for finding out the codes in case of code conversion problems isa) XCHGb) XLATc) XORd) JCXZarrow_forward
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