These are threads that are visible to the programmer and are unknown to the kernel. Kernel-level threads Multi-level threads User-level threads Single-level threads In computer orgranization, all intergrated devices and low speed devices are placed in a single chip called_________________ In computer orgranization, high speed devices are placed in a single chip called _________________. Computer system components that provides basic computing resources.

Used for high-speed I/O devices able to transmit information at close to memory speeds without CPU intervention. DMA Handheld Systems Hardware I/O Devices Kernel A common problem for all types of file systems. Collision Over Allocation Internal Fragmentation External Fragmentation The interval from the time of submission of a process to the time of completion. Waiting time Throughput Turnaround time Response time

A file allocation methods that solves the problem of contiguous allocation that contains a pointer to the first and last blocks of the file. Data fetched from the memory and moved into the CPU traverses via ________.