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No. The ALU is for Arithmetic and Logic.
Virtual memory requires several interesting pieces of hardware. The main one is an address translation unit. When the CPU sends the address of a byte that it wants to retrieve from RAM, the address translator changes the address from where the CPU 'thinks' the byte is, to the address of where it actually is.
The CPU also has to be able to execute 'exceptions' which are like interrupts. These happen when the CPU tries to access a page that is not currently in RAM.
There must be a storage device to hold all of the pages that are currently not in RAM. Usually this is a disk.
There has to be virtual memory software currently in RAM so that it can be executed as needed. It is responsible for handling exceptions, swapping pages between RAM and disk, and keeping the data in the address translator updated.
There are different architectures, and further details, but I think those are the basics.
What else can I help you with?
Which is NOT a type of memory stored in your system?
ALU
What activities is carried out by the ALU?
completion of all arithmetic activities.
What maintains the status of the last operation carried out by the ALU?
(1) Accumulator
What is part of the processor not part of memory or permanent storage device?
ALU
What are the functions of cu and alu?
The ALU (Arithmetic Logic Unit) performs arithmetic and logical operations on data such as addition, subtraction, AND, OR, and NOT operations. The CU (Control Unit) manages the execution of instructions, fetching them from memory, decoding them, and coordinating the ALU, memory, and input/output devices to carry out the instructions.
What activities are carried out by the arithmetic logic unit?
The arithmetic logic unit or ALU performs arithmetic, logic, and integer operations. ALU was created by mathematician John von Neumann in 1945.
Does the control unit send data from the memory to the ALU for processing?
Yes, the control unit manages the flow of data within the CPU, including sending data from memory to the Arithmetic Logic Unit (ALU) for processing. It retrieves instructions from memory and orchestrates the movement of data, ensuring that the ALU receives the necessary operands for computation. The control unit plays a crucial role in coordinating these operations to execute programs effectively.
Which unit of computer performs arithmetic and logical functions?
The ALU (arithmetic logic unit) An ALU loads data from input registres, an external Control Unit then tells the ALU what operation to perform on that data, and then the ALU stores its result into an output register. Other mechanisms move data between these registers and memory.
What are the 3 units in a computer?
the arithmetic logic unit (ALU), which performs arithmetic and logical operations, and the control unit (CU), which extracts instructions from memory and decodes and executes them, calling on the ALU when necessary.
What are the steps to properly and completely execute an instruction?
1 Fetch Instruction from Memory 2 Decode Instruction and Fetch Operands 3 Perform ALU Operations 4 Memory Access (for load/store)5 Store ALU result to register file 6Update PC
Different parts of the system unit or CPU?
diffent types of register, memory,ALU,timing and control unit
During I-time the ALU?
During I-time (Instruction time), the ALU (Arithmetic Logic Unit) performs calculations and logical operations as specified by the instructions fetched from memory. It processes data inputs, executes arithmetic operations like addition and subtraction, and evaluates logical conditions. The results from the ALU are then sent back to the CPU for further processing or stored in memory. This cycle is crucial for executing program instructions efficiently.
