Explanation: In a Harvard architecture microprocessor, there are two memories, a program or instruction memory, usually a ROM, and a data memory, which is a RAM. Multiple choice questions on Microprocessor topic Microprocessor Basics. A directory of Objective Type Questions covering all the Computer Science subjects. Instruction Set of 8051 Microprocessor - MCQs with answers. Both A and R are correct and R is correct explanation of A B. Passing parameters using memory. c) machine language instruction. UNIVERSITY OF MUMBAI. The 8086 works directly with only 4 physical segments: a Code segment, a data segment, a stack segment, and an extra segment. MCQ on Microprocessor. Answer: (D). 45. False. Choose your option and check it with the given correct answer. Instruction type XCHG in 8085 Microprocessor. A. Microprocessor interview questions What is microprocessor 8085? Operation code field is present in : a) programming language instructi on. 3. Passing parameters using pointers. Name the default offset registers to access the data from stack segment register of 8086 microprocessor. This contains 10 Multiple Choice Questions for Electronics and Communication Engineering (ECE) Introduction To Microprocessor 8086 (mcq) to study with solutions a complete question bank. 16. Show all questions. Passing parameters using registers-. store 0110 0110 in AL. This set of Microprocessor Multiple Choice Questions & Answers (MCQs) focuses on “Assembler Directives and Operators”. d) none of the mentioned. Circuit A has more gates than circuit B. Salient Features of 80386DX 1. LEA − Used to load the address of operand into the provided register. An e-mail message can be sent to many recipients. 56000H. The solved questions answers in this Introduction To Microprocessor 8086 quiz give you a good mix of easy questions and tough questions. Shift and Rotate Instructions 4. It is developed by Intel using NMOS technology and introduced in 1976, March. Practice these MCQ questions and answers for preparation of various competitive and entrance exams. For 8086 microprocessor what are the instruction set and assembler directives. A. multiple B. single C. double D. triple ANSWER: B 2. Loop Instructions 5. all of the above. 1) A microprocessor is the heart of the microcomputer. In addition to the right choice, the explanation will also be displayed on the page. This technique is called as parameter passing. a. running b. ready c. blocked d. suspended Ans: a. 4.is always used before programs are executed . Select the correct about UNIX device driver (A). The directive ENDP indicates end of a procedure. Submitted by Monika Sharma, on September 01, 2019 . It executes “boot” microprogram which is sequence of microinstructions stored in ROM. The assembler directives given below are used by 8085 and 8086 assemblers: This directive is used for the purpose of allocating and initializing single or multiple data bytes. You have to select the right answer to a question. This page intentionally left blank . The $ is often used in ORG statements to tell the assembler to make some change in the location counter relative to its current value. 5. a. CZ Address. Dissembler does the opposite process. Data Copy / Transfer Instructions 2. Memory name AREA has three consecutive locations where 30H, 52H and 35H are to be stored. The 8085 (eight zero eight five) microprocessor is an 8-bit microprocessor. II. ... Assembler is a program that translates the mnemonics into corresponding machine codes. Multiple choice questions and answers (MCQ) based on the Procedures and Macros of the 8086 microprocessor with 4 choices, correct answer and explanation. 3 Clock Cycles. True B. Question 1: Which of the following assembler directives are used to define a Procedure in the 8086 microprocessor? JMP ABC (jump to abc level) 2. XCHG [5000H], AX; This instruction exchanges data between AX and a memory location [5000H] in the data 4 Clock Cycles. Assembler language (Computer program language) I. Irvine, Kip R. - Assembly language for intel-based computers. (A). A. Participants can hit the "View Answer" button to get the correct option along the four choices. Computer System Architecture and Organization objective questions and answers set contain 5 mcqs from chapter Assembly Language Programming. Branch Instructions 6. Which instruction indicates the transfer of program sequence to the address specified by 16 bit value if Z flag =0 ? 5.DQ (define quadword) :This directive is used to tell the assembler to declare a variable 4 words in length or to reserve 4 words of storage in memory . All procedures are defined in code segment. We have given the Assembly Language Answers to all the questions. b) assembly language instruction. d) All of the above. A “$” it often used to symbolically represent the current value of the location counter, the $ actually represents the next available byte location where the assembler can put a data or code byte. Each quiz multiple choice question has 4 options as possible answers. nature of a data structure (C). used to tell the assembler that the name of the logical segment should be used for a specified segment. Q1 . The four major ways of passing parameters to and from a procedure are: Passing parameters using registers. 8 What is the content of Stack Pointer ? Refer all subject MCQ’s all at one place for your preparation. This article lists 90+ Microcontrollers MCQs for engineering students.All the Microcontrollers Questions & Answers given below include a solution and link wherever possible to the relevant topic.. Title. all of the above. In this Microprocessor quiz have listed best questions. 2 Clock Cycles. Instructions to transfer the address. 8. MICROPROCESSOR (SEM 5 MCQ) The instruction, MOV AX, 0005H belongs to the address mode. a) processor. b) Performing computations. Jun 14,2021 - Test: Assembler Directives And Operators | 10 Questions MCQ Test has questions of Computer Science Engineering (CSE) preparation. … 3. 65. 1. There are seven addressing modes in 8086 processor. purpose of a data structure (B). ... 81. store 40H in AL. Microprocessor 8085 MCQ Questions and Answers. 2) A device, which enables a microcomputer to perform the first of the above-mentioned tasks is known as the input device. Assembly Language MCQ Quiz Answers. b. CNZ Address. store 42H in AL. Microprocessor MCQ Questions: Whether your freshers or experience these Microprocessor MCQ questions are for you to brush up your oops skills before an interview. 2. Both A and R are correct but R is not correct explanation of A C. A is correct R is wrong D. A is wrong R is correct. d) processor & assembler… This is used to delay the microprocessor Read or Write cycles until a slow peripheral device is ready to access the data. 54000H. As it is1-Byte instruction, so It occupies only 1-Byte in the memory. The NMI pin should remain high for atleast. Test instruction is the same as the AND instruction except that ite does not put the result anywhere. d. It executes “strap loader” microprogram which is sequence of microinstructions stored in ROM. Here you can also take Microprocessor mock test which is also known as Microprocessor online test. Microprocessor MCQ Quiz & Online Test: Below is few Microprocessor MCQ test that checks your basic knowledge of Microprocessor. 7. The ____ state means that the microprocessor is executing the instructions that make up this. Apr/May-2018, Nov/Dec-2017, Apr/May- 13 K2 5 2017,Nov-Dec 2016, Nov-Dec 2015 33. (Hint: Construct the truth table for the adder and the multiplier) Answer: A. The source program is a input of assembler that contains assembly language instructions. a) Receiving input. The output generated by assembler is the object code or machine code understandable by the computer. Assembler – The Assembler is used to translate the program written in Assembly language into machine code. Now, we will discuss all of them in detail with example assembly instructions. In addition to the right choice, the explanation will also be displayed on the page. store 0100 0001 in AL. c) Storing data & instructions. c) assembler. If not used, assembler assumes the procedure as near procedure. 1. And the microprocessor uses the stack to execute subroutines. This Microprocessor Test contains around 20 questions of multiple choice with 4 options. Microprocessor 8085. a) Keyboard. … Interestingly, the stack is a shared resource as it can be shared by the microprocessor and the programmer. 25000H. The result of the instruction MOV AL, 65 H is to _______. UNIT-2 8086 ASSEMBLY LANGUAGE PROGRAMMING ECE DEPARTMENT MICROPROCESSORS AND MICROCONTROLLERS Page 4 Ex: XCHG AL, CL XCHG DX, BX Other examples: 1. LES − Used to load ES register and other provided register from the memory. If you don’t know about internal register of 8086 microprocessor, read this article: 8086 Microprocessor Architecture. Dear Readers, Welcome to 8086 Microprocessor Objective Questions have been designed specially to get you acquainted with the nature of questions you may encounter during your Job interview for the subject of 8086 Microprocessor MCQs.These objective type 8086 Microprocessor Questions are very important for … With a neat block diagram, explain the architecture of 8086 Microprocessor. b) direct. Its general form is: Microprocessor and Programming Procedure and Macro in Assembly Language Program Computer Department, Jamia Polytechnic, Akkalkuwa 2 Procedure_name ENDP 149. Reason (R): ALE signal comes out of microprocessor 8085 and goes to memory chip. Participants can hit the "View Answer" button to get the correct option along the four choices. Arithmetic and Logical Instructions 3. The microcontrollers used in almost all electronic devices, it is composed of two terms micro and controller, whereas micro means very small in size, and controller means a device that … a) a-3, b-2, c-4, d-1. Assembler is a program for converting instructions written in low-level assembly code into relocatable machine code and generating along information for the loader. A microprocessor is a _______ chip integrating all the functions of a CPU of a computer. Eg: - JMP 2034H ( jump to location 2034H) there is no condition to jump. Best 8086 Microprocessor Objective Questions and Answers. B used to define space for variables C used to start a program D Used to give Command to Assembler Answer D Marks 1 Unit 4 Id Question The instruction mov ax, [bx] is an example of A Indirect addressing B Indexed addressing C Direct addressing D Based addressing Answer D Marks 1 Unit 4 Id The assembler directives which are the hints using some predefined alphabetical strings are given to. Assembler Directives of 8085. OUT − Used to send out a byte or word from the accumulator to the provided port. Give examples of one byte, two byte and three byte instructions. Assembly Language MCQ Quiz Answers. The stack is a reserved area of the memory in RAM where we can store temporary information. b) a-2, b-3, c-1, d-4. It generates instructions by evaluating the mnemonics (symbols) in operation field and find the value of symbol and literals to produce machine code. Interpreter – Match the following. lifetime of a data structure (D). a) register. Jump Instruction, JMP, JC, JNC, JP, JM, JZ, JNZ, JPE, JPO. We have given the Assembly Language Answers to all the questions. A. Passing parameters using stack. 6. a) DB 1) used to direct the assembler to reserve only 10-bytes b) DT 2) used to direct the assembler to reserve only 4 words c) DW 3) used to direct the assembler to reserve byte or bytes d) DQ 4) used to direct the assembler to reserve words. The programmer can use the stack to store data. In 8085 Instruction set, there is one mnemonic XCHG, which stands for eXCHanGe. DEPARTMENT OF COMPUTER ENGINEERING. Multiple Choice Questions on 8086 Microprocessor 1. December 25, 2020 by Amit Mahto. Instruction set and assembler directives of 8086 Microprocessor. Like the CMP instruction , it is used only to set the flags. 1 / 40. What is the use of TEST instruction in 8086? Microprocessor is a/an _______ circuit that functions as the CPU of the compute A. electronic B. mechanic C. integrating D. processing ANSWER: A 3. Circuit B has more gates than circuit A. C. Circuit A has the same number of gates as circuit B. Select from the follwoing that can be used as a criterion for Division of data structures used in language processing. 59:57. The 8086 instructions are categorized into the following main types. This instruction uses implied addressing mode. 1 Clock Cycles. a simle two pass assembler does which of the following in the first class a.It allocates space for the literals b.It computes the total length of the program c.It builds the symbol table for the symbols and their values 6.DT (define ten bytes):It is used to inform the assembler to define a variable which is 10 bytes in length or to reserve 10 bytes of storage in memory. Answer: c. Explanation: Machine language ins truction format has one or more fields. February 28, 2021. Circuit A is a 1-bit adder; circuit B is a 1 bit multiplier. This is an instruction to exchange contents of HL register pair with DE register pair. B. b) memory. LDS − Used to load DS register and other provided register from the memory. d. CPO Address. Control memory is part of ______ that has addressable storage registers and used as temporary storage for data: a. JMP: - (unconditionally jump) The program sequence is transferred to the memory location specified by the16-bit address given in the operand. Microprocessor Mcqs. The EXTRN directive is used to inform the assembler that the names or labels following the directive are in some other assembly module. 1. Unstructured (C). QA76.8.I77 2011 005.265--dc22 2009049014 ISBN-13: 978-0-13-602212-1 ISBN-10: 0-13-602212-X 10987654321. Questions. This test is Rated positive by 91% students preparing for Computer Science Engineering (CSE).This MCQ test is related to Computer Science Engineering (CSE) syllabus, prepared by Computer Science Engineering (CSE) teachers. The 80386DX is a processor that supports a) 8-bit data operand b) 16-bit data operand c) 32-bit data operand d) all of the mentioned Answer: d Explanation: The 80386DX is a 32-bit processor that supports, 8-bit/16-bit/32-bit data operands. The ___ state means that some other task is in the running state but that this task th e things that it could do if the microprocessor becomes available. 17. 44. Introduction of Assembler. To Jack and Candy Irvine. v Contents
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