Description : IR stands for: a. Intel register b. In counter register c. Index register d. Instruction register
Last Answer : d. Instruction register
Description : How many parts of dedicated register: a. 2 b. 4 c. 5 d. 6
Last Answer : c. 5
Description : Which register is a temporary storage location: a. general purpose register b. dedicated register c. A and B d. none of these
Last Answer : c. A and B
Description : There are primarily two types of register: a. general purpose register b. dedicated register c. A and B d. none of these
Description : In Microprocessor one of the operands holds a special register called: a. Calculator b. Dedicated c. Accumulator d. None of these
Last Answer : c. Accumulator
Description : In 8051,After reset the SP register is initialized to address________. a. 8H b) 9H c) 7H
Last Answer : c) 7H
Description : After reset, SP register is initialized to address________. a) 8H b) 9H c) 7H d) 6H
Description : The SP is of ___ wide register. And this may be defined anywhere in the ______. a) 8 byte, on-chip 128 byte RAM. b) 8 bit, on chip 256 byte RAM. c) 16 bit,
Last Answer : a) 8 byte, on-chip 128 byte RAM.
Description : ROM d) 8 bit, on chip 128 byte RAM. 3. After reset, SP register is initialized to address________. a) 8H b) 9H c) 7H d) 6H
Description : What is the size of SP register in 8085 microprocessor? A) 16 bits B) 8 bits C) 64 bits D) 48 bits
Last Answer : What is the size of SP register in 8085 microprocessor? A) 16 bits B) 8 bits C) 64 bits D) 48 bits
Description : The register that includes the address of the memory unit is termed asthe _ a. MAR b PC Cc. IR d. None of these
Last Answer : a. MAR
Description : In register transfer the processor register as. a MAR b PC c IR d RI
Last Answer : d RI
Description : Registers, which are partially visible to users and used to hold conditional, are known as a. PC b. Memory address registers c. General purpose register d. Flags
Last Answer : c. General purpose register
Description : Which of the following registers is loaded with the contents of the memory location pointed by the PC? a. Memory address register b. Memory data register c. Instruction registers d. Program counter
Last Answer : c. Instruction registers
Description : Which of the following registers is loaded with the contents of the memory location pointed by the PC? a. Memory address registers b. Memory data registers c. Instruction register d. Program counter
Last Answer : c. Instruction register
Description : _____ is the condition: a. CD b. IR c. Both a and b d. None of these
Last Answer : a. CD
Description : What is meant by a dedicated computer? a. which is used by one person only b. which is assigned to one and only one task c. which does one kind of software d. which is meant for application software only
Last Answer : d. which is meant for application software only
Description : Most of the inexpensive personal computer does not have any disk or diskette drive. What is the name of such computes? a. Home computers b. Diskless computers c. Dedicated computer d. General computer
Last Answer : a. Home computers
Description : Which of the following is used only for data entry and storage, and never for processing? a. Mouse b. Dumb terminal c. Micro computer d. Dedicated data entry system
Last Answer : b. Dumb terminal
Description : What is meant by a dedicated computer? a. Which is used by one person only b. Which is assigned one and only one task c. Which uses one kind of software d. Which is meant for application software
Last Answer : d. Which is meant for application software
Description : Most of the inexpensive personal computers do not have any disk or diskette drive. What is the name of such computes? a. Home computers b. Diskless computers c. Dedicated computers d. General purpose computers
Description : SP stand for: a. Stack pointer b. Stack pop c. Stack push d. None of these
Last Answer : a. Stack pointer
Description : SP stands for: a. Status pointer b. Stack pointer c. a and b d. None of these
Last Answer : b. Stack pointer
Description : SP of 8051 is of ___ wide and it is loaded with the default value of ___ after reset. a) 2 byte, 08H b) 8 bit, 07H c) 1 byte, 09H d) 8 bit, 06H
Last Answer : d) 8 bit, 06H
Description : Which of the following is of bit operations? i) SP ii) P2 iii) TMOD iv) SBUF v) IP a) ii, v only b) ii, iv, v only c) i, v only d) iii, ii only
Last Answer : c) i, v only
Description : What is the output of the following code PUSH AL a) Decrement SP by 2 & push a word to stack b) Increment SP by 2 & push a word to stack c) Decrement SP by 2 & push a AL to stack d) Illegal
Last Answer : b) Increment SP by 2 & push a word to stack
Last Answer : a) ii, v only
Description : The decoded instruction is stored in ______ (A) Register (B) Memory Address Register(MAR) (C) Instruction Register(IR) (D) None of the Above
Last Answer : (C) Instruction Register(IR)
Description : Which registers can interact with secondary memory? (A) Register (B) Memory Address Register(MAR) (C) Instruction Register(IR) (D) None of the Above
Last Answer : (B) Memory Address Register(MAR)
Description : Which register holds the item that is to be written into the stack or read out of the stack: a. SR b. IR Cc. RR d DR
Last Answer : d DR
Description : In register stack the top item is read from the stack into: a. SR b. IR Cc. RR d. DR
Last Answer : d. DR
Description : IR stands for: a) Instruction Register b) Internal Resource c) Information Register d) None of These
Last Answer : a) Instruction Register
Description : List the allowed register pairs of 8085.
Last Answer : • B-C register pair • D-E register pair • H-L register pair
Description : Which is an integral part of any microcomputer system and its primary purpose is to hold program and data: a. Memory unit b. Register unit c. A and B d. None of these
Last Answer : a. Memory unit
Description : Which is the components of microprocessor: a. Register unit b. Arithmetic and logical unit c. Timing and control unit d. All of these
Last Answer : d. All of these
Description : In immediate addressing the operand is placed a. in the CPU register b. after OP code in the instruction c. in memory d. in stack
Last Answer : b. after OP code in the instruction
Description : The most common addressing techiniques employed by a CPU is a. immediate b. direct c. indirect d. register e. all of the above
Last Answer : e. all of the above
Description : A stack pointer is a. a 16-bit register in the microprocessor that indicate the beginning of the stack memory. b. a register that decodes and executes 16-bit arithmetic expression. c. The first memory location where a subroutine address is stored. d. a register in which flag bits are stored
Last Answer : a. a 16-bit register in the microprocessor that indicate the beginning of the stack memory.
Description : A stack is a. an 8-bit register in the microprocessor b. a 16-bit register in the microprocessor c. a set of memory locations in R/WM reserved for storing information temporarily during the execution of computer
Last Answer : c. a set of memory locations in R/WM reserved for storing information temporarily during the execution of computer
Description : Which of the following registers is used to keep track of address of the memory location where the next instruction is located? a. Memory Address Register b. Memory Data Register c. Instruction Register d. Program Register
Last Answer : d. Program Register
Description : A structure that stores a number of bits taken "together as a unit" is a a. gate b. mux c. decoder d. register
Last Answer : d. register
Description : In an 8085 microprocessor, the instruction CMP B has been executed while the contentsof accumulator is less than that of register B. As a result carry flag and zero flag will berespectively (A) set, reset (B) reset, set (C) reset, reset (D) set, set
Last Answer : (A) set, reset
Description : Which of the following registers is used to keep track of address of the memory location where the next instruction is located? a. Memory address register b. Memory data register c. Instruction register d. Program counter
Last Answer : d. Program counter
Description : CD-ROM a. Is a `semiconductor memory b. Memory register c. Magnetic memory d. None of the above
Last Answer : d. None of the above
Description : Interface electronic circuit is used to interconnect I/O devices to a computer’s CPU or a. ALU b. Memory c. Buffer d. Register
Last Answer : b. Memory
Description : A type of core store that has a lower access time than the devices used for working store in the same processor is known as a. Core memory b. Buffer c. Fast core d. Address register
Last Answer : d. Address register
Description : A set of information that defines the status of resources allocated to a process is a. Process control b. ALU c. Register Unit d. Process description
Last Answer : d. Process description
Description : The terminal device that functions as a cash register, computer terminal, and OCR reader is the: a. Data collection terminal b. OCR register terminal c. Video Display terminal d. POS terminal
Last Answer : d. POS terminal
Description : CD-ROM is a a. Semiconductor memory b. Memory register c. Magnetic memory d. None of above
Last Answer : d. None of above