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 : Answer : C
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 : Registers which are partially visible to users and used to hold conditional codes (bits set by the CPU hardware as the result of operations), are known as A) PC B) Flags C) Memory Address Registers D) General Purpose Registers
Last Answer : Answer : B
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 : 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 : 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 : 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
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 : 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 : Which are the flags of status register: a. Over flow flag b. Carry flag c. Half carry flag d. Zero flag e. Interrupt flag f. Negative flag g. All of these
Last Answer : g. All of these
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.
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 : Which register is connected to the memory by way of the address bus: a. MAR b. MDR c. SAM d. None of these
Last Answer : a. MAR
Description : MAR stands for: a. Memory address register b. Memory address recode c. Micro address register d. None of these
Last Answer : a. Memory address 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 counter
Last Answer : Answer : D
Description : The contents of information are stored in A) Memory data register B) Memory address register C) Memory arithmetic registers D) Memory access register
Last Answer : Answer : A
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)
Last Answer : Program counter
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.
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.
Description : The ALU gives the output of the operations and the output is stored in the ________ a) Memory Devices b) Registers c) Flags d) Output Unit
Last Answer : Answer: b Explanation: Any output generated by the ALU gets stored in the registers. The registers are the temporary memory locations within the processor that are connected by signal paths to the CPU
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
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
Description : In memory read the operation puts memory address on to a register known as : a. PC b. ALU ce. MAR d. — Allof these
Last Answer : ce. MAR
Description : Name of typical dedicated register is: a. PC b. IR c. SP d. All of these
Last Answer : d. All of these
Description : The branch logic that provides decision making capabilities in the control unit is known as a. controlled transfer b. conditional transfer c. unconditional transfer d. none of above
Last Answer : c. unconditional transfer
Description : What is the address range of SFR Register bank? a) 00H-77H b) 40H-80H c) 80H-7FH d) 80H-FFH
Last Answer : c) 80H-7FH
Last Answer : d) 80H-FFH
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 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 : 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 : 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 : CD-ROM is a a. Semiconductor memory b. Memory register c. Magnetic memory d. None of above
Last Answer : d. None of above
Description : MDR stands for: a. Memory data register b. Memory data recode c. Micro data register d. None of these
Last Answer : a. Memory data register
Description : Which register is used to communicate with memory: a. MAR b. MDR c. Both A and B d. None of these
Last Answer : c. Both A and B
Description : Which latch is mostly used creating memory register: a. SR-Latch b. JK-Latch c. D-Latch d. T-Latch
Last Answer : c. D-Latch
Description : A set of register which contain are: a. data b. memory addresses c. result d. all of these
Last Answer : d. all of these
Description : What is the store by register: a. data b. operands c. memory d. None of these
Last Answer : a. data
Description : The register section is related to______ of the computer: a. Processing b. ALU c. Main memory d. None of these
Last Answer : c. Main memory
Description : The microprocessor can read/write 16 bit data from or to ________ A. memory B. I /O device C. processor D. register
Last Answer : The microprocessor can read/write 16 bit data from or to memory
Description : A physical connection between the microprocessor memory and other parts of the m9crocomputer is known as a. Path b. Address bus c. Route d. All of the above
Last Answer : b. Address bus
Description : In 8086 the overflow flag is set when a) The sum is more than 16 bits b) Signed numbers go out of their range after an arithmetic operation c) Carry and sign flags are set
Last Answer : b) Signed numbers go out of their range after an arithmetic operation
Description : State the use of OF and DF flags of 8086 microprocessor.
Last Answer : Overflow Flag: This flag is set if an overflow occurs, i.e. if the result of a signed operation is large enough to be accommodated in destination register. Direction Flag: It selects either increment or decrement mode for DI &/or SI register during string instructions.