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What is a data instruction register?
A Data Instruction Register (DIR) is a component within a computer's CPU that temporarily holds instructions fetched from memory before they are executed. It helps in decoding and executing the instruction by providing the necessary data to the control unit. The DIR plays a crucial role in the instruction cycle, ensuring that the CPU processes commands efficiently. By holding the instruction, it allows for a streamlined flow of data between memory and processing units.
What register points to the next instruction?
actually register holds the data..there are 6 register which are temporary registers..program counter holds the address of next instruction to be fetched..instruction register holds the currently executed data...
Does RAM only holds data temporarily?
Yes
What is the name of the memory chips that holds data temporarily?
Random Access Memory
How do the contents of the MAR and MDR registers changes during the fetch decode execute cycle?
During the fetch-decode-execute cycle, the Memory Address Register (MAR) holds the address of the memory location from which data is to be fetched or to which data is to be written. In the fetch phase, the MAR is loaded with the address of the next instruction to be executed. The Memory Data Register (MDR) then temporarily holds the data fetched from memory or the data to be written to memory. As the cycle progresses, the contents of the MAR and MDR are updated based on the memory operations required for executing the instruction.
What is computer circuitry that temporarily holds data waiting to processed known as?
The Ram - Random Access Memory temporarily holds programs and data while the computer is on and allows the computer to access that information randomly.
Data and program instructions are temporarily held in what while the processor is using them?
RAM or the processor cacheWhen the data and instructions reach the RAM they are operated on immediately.For data and instructions that the CPU is working on right at that time, these memory locations are called Registers. Many systems have dedicated registers just for EITHER data or instructions, while others have a set of registers which can be used for either, and still other CPUs have all three (data, instruction, and general-use registers).
What is the definition of fetch cycle?
Fetch cycle is defined as a part of instruction cycle in which data is fetched from the memory pointed by Holds the address of a memory block to be read from or written to) and stores the data in MDR( a two-way register that holds data fetched from memory (and ready for the CPU to process) or data waiting to be stored in memory) for further processing. Instruction cycle= Fetch cycle+ Execute cycle
Which area of the computer holds the data and instruction that are about to be used by the central processing unit?
MAIN MEMORY
What is the temporary storage location that holds a single instruction or data item?
The temporary storage location that holds a single instruction or data item is known as a register. Registers are small, high-speed storage locations within a computer's CPU that provide quick access to frequently used data and instructions during processing. They play a crucial role in the execution of instructions and the overall performance of the processor.
What memory holds data and instructions as the CPU processes them?
memory
Is ram erased when computer is turned off?
No,it does not because it is volatile memory.
