Explain SIMD array processor along with its architectural diagram ?
A SIMD (Single Instruction Multiple Data) array processor is a type of computer processor that can execute a single instruction on multiple data elements simultaneously. … Read more
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What is Paging? Explain how paging can be implemented in CPU to access virtual memory.
Paging is a memory management technique used by operating systems to allow processes to access more memory than is physically available. In paging, the memory … Read more
What is Associative memory? Explain the concept of address space and memory space in Virtual memory.
Associative memory Associative memory is a type of computer memory that allows data to be accessed based on its content rather than its address. In … Read more
Draw and explain the memory hierarchy in a digital computer. What are advantages of cache memory over main memory?
The memory hierarchy in a digital computer refers to the different types of memory that are used to store data and instructions. The memory hierarchy … Read more
Explain how a stack organized computer executes instructions? What is Stack?
A stack organized computer is a type of computer architecture in which the memory is organized as a stack. In this architecture, the stack is … Read more
Explain hardwired microprogrammed control unit ? What is address sequencer circuit ?
A microprogrammed control unit (MCU) is a digital circuit that controls the operations of a computer’s central processing unit (CPU). There are two main types … Read more
If cache access time is lOOns, main memory access time is 1000 ns and the hit ratio is 0.9. Find the average access time and also define hit ratio.
Hit ratio Hit ratio is a measure of how often a requested data item is found in a cache. It is defined as the ratio … Read more
Explain signed magnitude, signed l’s complement and signed 2’s complement representation of numbers. Find the range of numbers in all three representations for 8 bit register.
Signed magnitude, signed 1’s complement, and signed 2’s complement are three methods of representing signed numbers in binary form. Signed magnitude Signed magnitude representation represents … Read more
Differentiate between Serial and parallel data transfer ?
Serial and parallel data transfer are two different methods of transmitting data from one device to another. Serial data transfer involves sending data one bit … Read more
Explain different modes of data transfer between the central computer and I/O device ?
In a computer system, there are several modes of data transfer between the central processing unit (CPU) and input/output (I/O) devices. These modes of transfer … Read more