In 8085 name the 16 bit registers? a) Stack pointer b) Program counter c) a & b

In 8085 name the 16 bit registers?
a) Stack pointer b) Program counter c) a & b
by

1 Answer

Answer :

c) a & b
by

Related questions

Describe the functions of stack pointer and program counter of 8085.

Description : Describe the functions of stack pointer and program counter of 8085. 

Last Answer : Stack pointer: 1. It is a 16 bit register which is used to store the address of topmost filled memory location of stack memory. 2. SP always points current top of stack. 3. If data is ... of memory and in 8085 the address of memory is 16 bit. Hence program counter is 16 bit register.

List the 16 – bit registers of 8085 microprocessor.

Description : List the 16 – bit registers of 8085 microprocessor.

Last Answer : Stack pointer (SP) and Program counter (PC).

When the RET instruction at the end of subroutine is executed, a. the information where the stack is iniatialized is transferred to the stack pointer b. the memory address of the RET instruction is transferred to the program counter c. two data bytes stored in the top two locations of the stack are transferred to the program counter d. two data bytes stored in the top two locations of the stack are transferred to the stack pointer

Description : When the RET instruction at the end of subroutine is executed, a. the information where the stack is iniatialized is transferred to the stack pointer b. the memory address of the RET instruction is ... two data bytes stored in the top two locations of the stack are transferred to the stack pointer

Last Answer : c. two data bytes stored in the top two locations of the stack are transferred to the program counter

When a subroutine is called, the address of the instruction following the CALL instructions stored in/on the a. stack pointer b. accumulator c. program counter d. stack

Description : When a subroutine is called, the address of the instruction following the CALL instructions stored in/on the a. stack pointer b. accumulator c. program counter d. stack

Last Answer : d. stack

The subprogram finish the return instruction recovers the return address from the: a. Queue b. Stack c. Program counter d. Pointer

Description : The subprogram finish the return instruction recovers the return address from the: a. Queue b. Stack c. Program counter d. Pointer

Last Answer : b. Stack

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

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.

The stack pointer in the 8085 microprocessor is a: a) 16 bit register that points to stack memory locations b) 16 bit accumulator c) Memory location in the stack d) None of The Above

Description : The stack pointer in the 8085 microprocessor is a: a) 16 bit register that points to stack memory locations b) 16 bit accumulator c) Memory location in the stack d) None of The Above

Last Answer : a) 16 bit register that points to stack memory locations

In 8087, _______ many register stack are there? And of _____ registers. These registers are used as _________ stack. a) 7, 40 bit, FIFO. b) 8, 60 bit, LILO. c) 8, 80 bit, LIFO d) 7, 80 bit, FILO.

Description : In 8087, _______ many register stack are there? And of _____ registers. These registers are used as _________ stack. a) 7, 40 bit, FIFO. b) 8, 60 bit, LILO. c) 8, 80 bit, LIFO d) 7, 80 bit, FILO.

Last Answer : b) 8, 60 bit, LILO.

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

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

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

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

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

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

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

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

The processor uses the stack to keep track of where the items are stored on it this by using the: a. Stack pointer register b. Queue pointer register c. Both a & b d. None of these

Description : The processor uses the stack to keep track of where the items are stored on it this by using the: a. Stack pointer register b. Queue pointer register c. Both a & b d. None of these

Last Answer : a. Stack pointer register

State the functions of temporary registers of 8085 microprocessor.

Description : State the functions of temporary registers of 8085 microprocessor.

Last Answer : Temp Register (8 bits) is also called as operand register as it is used by μp for storing one of the operands during an operation and also for storing the result of any execution temproary.

Which is 16 Bit microprocessor: a. 8088 b. 8086 c. 8085 d. All of these

Description : Which is 16 Bit microprocessor: a. 8088 b. 8086 c. 8085 d. All of these

Last Answer : d. All of these

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

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

Which stack is used in 8085? a) FIFO b) LIFO c) FILO

Description : Which stack is used in 8085? a) FIFO b) LIFO c) FILO

Last Answer : b) LIFO

When subroutine is called contents of program counter is location address of __ instruction following call instruction is stored on _ __and program execution is transferred to __ address. a. Non executable, pointer and subroutine b. Executable, Stack and Main program Cc. Executable, Queue and Subroutine d. Executable, Stack and Subroutine

Description : When subroutine is called contents of program counter is location address of __ instruction following call instruction is stored on _ __and program execution is transferred to __ address. a. Non ... , Stack and Main program Cc. Executable, Queue and Subroutine d. Executable, Stack and Subroutine

Last Answer : d. Executable, Stack and Subroutine

In microprocessor the next instruction to be executed is stored in a) Program Counter b) Stack Pointer c) Memory Pointer d) Accumulator

Description : In microprocessor the next instruction to be executed is stored in a) Program Counter b) Stack Pointer c) Memory Pointer d) Accumulator

Last Answer : Ans: Program Counter

Why 8085 processor is called an 8 bit processor? a) Because 8085 processor has 8 bit ALU. b) Because 8085 processor has 8 bit data bus. c) a & b. Why 8085 processor is called an 8 bit processor? a) Because 8085 processor has 8 bit ALU. b) Because 8085 processor has 8 bit data bus. c) a & b.

Description : Why 8085 processor is called an 8 bit processor? a) Because 8085 processor has 8 bit ALU. b) Because 8085 processor has 8 bit data bus. c) a & b.

Last Answer : a) Because 8085 processor has 8 bit ALU.

SP stand for: a. Stack pointer b. Stack pop c. Stack push d. None of these

Description : SP stand for: a. Stack pointer b. Stack pop c. Stack push d. None of these

Last Answer : a. Stack pointer

SP stands for: a. Status pointer b. Stack pointer c. a and b d. None of these

Description : SP stands for: a. Status pointer b. Stack pointer c. a and b d. None of these

Last Answer : b. Stack pointer

The _stack can be 4-word memory addressed by 2 bits from an up/down counter known as the stack pointer: a. FIFO b. PIPO c. SISO d. LIFO

Description : The _stack can be 4-word memory addressed by 2 bits from an up/down counter known as the stack pointer: a. FIFO b. PIPO c. SISO d. LIFO

Last Answer : d. LIFO

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

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

Which bit of TMOD will exactly configure timer / counter as a timer or counter. i) TMOD.6 of C/T for timer 1 ii) TMOD.6 of C/T for timer 0 iii) TMOD.2 of C/T for timer 0 iv) TMOD.2 of C/T for timer 1 a) i, ii b) ii, iv c) i, iii d) iii, iv

Description : Which bit of TMOD will exactly configure timer / counter as a timer or counter. i) TMOD.6 of C/T for timer 1 ii) TMOD.6 of C/T for timer 0 iii) TMOD.2 of C/T for timer 0 iv) TMOD.2 of C/T for timer 1 a) i, ii b) ii, iv c) i, iii d) iii, iv

Last Answer : a) i, ii

What is Microprocessor? Give the power supply & clock frequency of 8085

Description : What is Microprocessor? Give the power supply & clock frequency of 8085

Last Answer : A microprocessor is a multipurpose, programmable logic device that reads binary instructions from a storage device called memory accepts binary data as input and processes data according ... provides result as output. The power supply of 8085 is +5V and clock frequency in 3MHz.

Which interrupt is not level sensitive in 8085? a) RST6.5 is a raising edge-trigging interrupt. b) RST7.5 is a raising edge-trigging interrupt. c) a & b.

Description : Which interrupt is not level sensitive in 8085? a) RST6.5 is a raising edge-trigging interrupt. b) RST7.5 is a raising edge-trigging interrupt. c) a & b.

Last Answer : b) RST7.5 is a raising edge-trigging interrupt.

The structure of the stack is _______ type structure: a. First in last out b. Last in last out c. Both a & b d. None of these

Description : The structure of the stack is _______ type structure: a. First in last out b. Last in last out c. Both a & b d. None of these

Last Answer : a. First in last out

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

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

PC stands for: a. Program counter b. Points counter c. Paragraph counter d. Paint counter

Description : PC stands for: a. Program counter b. Points counter c. Paragraph counter d. Paint counter

Last Answer : a. Program counter

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

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 : Answer : D

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

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 : Answer : C

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

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 : Program counter

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

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 : Instruction register

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

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

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

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

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

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

The ALU of a computer normally contains a number of high speed storage element called a. Semiconductor memory b. Registers c. Hard disks d. Magnetic disk

Description : The ALU of a computer normally contains a number of high speed storage element called a. Semiconductor memory b. Registers c. Hard disks d. Magnetic disk

Last Answer : b. Registers

Which of the following are the two main components of the CPU? a. Control unit and registers b. Registers and main memory c. Control Unit and ALU d. ALU and bus

Description : Which of the following are the two main components of the CPU? a. Control unit and registers b. Registers and main memory c. Control Unit and ALU d. ALU and bus

Last Answer : c. Control Unit and ALU

What Are The Boons And Banes Of Having More General Purpose Registers In A Microprocessor.?

Description : What Are The Boons And Banes Of Having More General Purpose Registers In A Microprocessor.?

Last Answer : Answer :If there are more general purpose registers the program writing process is more flexible and convenient. The number of bits that would be required to detect the registers would increase with more ... on the chip. This can create problems in adding / implementing other functions on the chip.

Describe the functions of General purpose registers of 8086 microprocessor.

Description : Describe the functions of General purpose registers of 8086 microprocessor.

Last Answer : (i) General Purpose Registers of 8086 1. AX (Accumulator) - Used to store the result for arithmetic / logical operations All I/O data transfer using IN & OUT instructions use A ... Index - acts as the destination for string movement instructions Used to hold offset address of Extra segment.

When a program is being executed in an 8085 microprocessor, its Program Counter contains

Description : When a program is being executed in an 8085 microprocessor, its Program Counter contains  (A) the number of instructions in the current program that have already been executed (B) the total number ... is being currently executed (D) the memory address of the instruction that is to be executed next

Last Answer : When a program is being executed in an 8085 microprocessor, its Program Counter contains the memory address of the instruction that is to be executed next

Which processor provided 1 MB memory: a. 16-bit 8086 and 8088 b. 32-bit 8086 and 8088 c. 64-bit 8086 and 8088 d. 8-bit 8086 and 8088

Description : Which processor provided 1 MB memory: a. 16-bit 8086 and 8088 b. 32-bit 8086 and 8088 c. 64-bit 8086 and 8088 d. 8-bit 8086 and 8088

Last Answer : a. 16-bit 8086 and 8088

Calculator are based on______ microprocessor: a. 4 bit b. 16 bit c. 32 bit d. 64 bit

Description : Calculator are based on______ microprocessor: a. 4 bit b. 16 bit c. 32 bit d. 64 bit

Last Answer : a. 4 bit

How many bit microprocessor still survives in low-end application such as microwave ovens and small control system: a. 4 bit b. 16 bit c. 32 bit d. 64 bit

Description : How many bit microprocessor still survives in low-end application such as microwave ovens and small control system: a. 4 bit b. 16 bit c. 32 bit d. 64 bit

Last Answer : a. 4 bit

How many bit MC6800 microprocessor: a. 4-bit b. 8-bit c. 16-bit d. 32-bit

Description : How many bit MC6800 microprocessor: a. 4-bit b. 8-bit c. 16-bit d. 32-bit

Last Answer : b. 8-bit

How many bit microprocessor in the era marked beginning of fourth generation: a. 4 bit b. 8 bit c. 16 bit d. 32 bit

Description : How many bit microprocessor in the era marked beginning of fourth generation: a. 4 bit b. 8 bit c. 16 bit d. 32 bit

Last Answer : d. 32 bit

Third generation microprocessor is dominated by____ microprocessor: a. 8 bit b. 4 bit c. 16 bit d. 64 bit

Description : Third generation microprocessor is dominated by____ microprocessor: a. 8 bit b. 4 bit c. 16 bit d. 64 bit

Last Answer : c. 16 bit

The beginning of very efficient____ microprocessor in second generation: a. 4-bit b. 8-bit c. 16-bit d. 64-bit

Description : The beginning of very efficient____ microprocessor in second generation: a. 4-bit b. 8-bit c. 16-bit d. 64-bit

Last Answer : b. 8-bit

For a memory with a 16-bit address space, the addressability is a. 16 bits b. 8 bits c. 2^16 bits d. Cannot be determined

Description : For a memory with a 16-bit address space, the addressability is a. 16 bits b. 8 bits c. 2^16 bits d. Cannot be determined

Last Answer : d. Cannot be determined