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 : 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 : What does MAR stand for? a) Main Address Register b) Memory Access Register c) Main Accessible Register d) Memory Address Register
Last Answer : Answer: d Explanation: MAR is a type of register which is responsible for the fetch operation. MAR is connected to the address bus and it specifies the address for the read and write operations
Description : In which register instruction is decoded prepared and ultimately executed: a. Instruction register b. Current register c. Both a and b d. None of these
Last Answer : a. Instruction register
Description : In register transfer the processor register as. a MAR b PC c IR d RI
Last Answer : d RI
Description : IR stands for: a) Instruction Register b) Internal Resource c) Information Register d) None of These
Last Answer : a) Instruction Register
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 : Which register is connected to the memory by way of the address bus: a. MAR b. MDR c. SAM d. None of these
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 : 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
Description : The load instruction is mostly used to designate a transfer from memory to a processor register known as_________ A. Accumulator B. Instruction Register C. Program counter D. Memory address Register
Last Answer : A. Accumulator
Description : The register which holds the address of the location to or from which data are to be transferred is known as_______ A. Instruction Register B. Control register C. Memory Address Register D. None of the Above
Last Answer : C. Memory Address Register
Description : The register which keeps track of the execution of a program and which contains the memory address of the instruction currently being executed is known as: a) Index Register b) Memory Address Register c) Program Counter d) None of The Above
Last Answer : c) Program Counter
Description : The ___________ contains the address of the next instruction to be executed. a) IR b) PC c) Accumulator d) System counter
Last Answer : Answer: b Explanation: PC stands for program counter (It contains the address of the next instruction to be executed)
Description : Opcode is the machine instruction obtained from decoding instruction stored in. a. Stack pointer b. Address pointer Cc. Instruction register d. Incrementer
Last Answer : Cc. Instruction register
Description : IR stands for: a. Intel register b. In counter register c. Index register d. Instruction register
Last Answer : d. Instruction register
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 register keeps tracks of the instructions in the program stored in memory? A. Address Register B. Index Register C. Program Counter D. None of the Above
Last Answer : C. Program Counter
Description : The contents of information are stored in _______: a) Memory Data Register b) Memory Address Register c) Memory Access Register d) Memory Arithmetic Register e) None of The Above
Last Answer : a) Memory Data Register
Description : The contents of information are stored in --- 1) Memory data register 2) Memory address register 3) Memory access register 4) Memory arithmetic register
Last Answer : 1) Memory data register
Description : Acontrol memory is__ stored in some area of memory: a. Control instraction b. Memory instruction c. Register instruction d. None of these
Last Answer : a. Control instraction
Description : The instruction fetch operation is initiated by loading the contents of program counter into the and sends _ request to memory: a. Memory register and read b. Memory register and write c. Data register and read d. Address register and read
Last Answer : d. Address register and read
Description : The instruction read from memory is then placed in the ___and contents of program counter is __ so that it contains the address of_ __ instruction in the program. a. Program counter, ... incremented and previous c. Instruction register, incremented and next d. Address register, decremented and next
Last Answer : c. Instruction register, incremented and next
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
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 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
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 register b. Memory data register c. Instruction registers d. Program counter
Last Answer : c. Instruction registers
Last Answer : c. Instruction register
Description : The advantage of ............... is that it can reference memory without paying the price of having a full memory address in the instruction. (A) Direct addressing (B) Indexed addressing (C) Register addressing (D) Register Indirect addressing
Last Answer : (D) Register Indirect addressing
Description : Decode is the step during which instruction is__ a. Initialized b. Incremented c. Decoded d. Bothb&c
Last Answer : c. Decoded
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
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 : 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 : Content of the program counter is added to the address part of the instruction in order to obtain the effective address is called_______ A. relative address mode. B. index addressing mode. C. register mode. D. implied mode.
Last Answer : A. relative address mode.
Description : A basic instruction that can be interpreted by computer generally has ________ A. An operand and an address B. decoder and an accumulator C. Sequence register and decoder D. None of the Above
Last Answer : A. An operand and an address
Description : In memory transfer location address is supplied by that puts this on address bus. a. ALU b. CPU Cc. MAR d. MDR
Last Answer : b. CPU
Description : The Supdt may prescribe the use, in any Head or Sub office of a beat instruction register ______ for the purpose of communication addressees instructions to the postman a) M 32 b) M 34 c) M 28 d) None of these
Last Answer : a) M 32
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
Description : The register which contains the data to be written into or readout of the addressed location is called: a) Index Register b) Memory Address Register c) Memory Data Register d) None of The Above
Last Answer : c) Memory Data Register
Description : MDR(Memory Data Register) holds the --- 1) Segment number 2) Address of a memory location 3) Number of transistors 4) none of these
Last Answer : 3) Number of transistors
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 : 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
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
Description : In a microprocessor, the address of the next instruction to be executed, is stored in A) Stack pointer B) Address latch C) Program counter D) General purpose register
Last Answer : In a microprocessor, the address of the next instruction to be executed, is stored in Program counter
Description : In arithmetic operation numbers of register and the circuits for addition at a. ALU b. MAR c. Both d. None
Last Answer : a. ALU