It 105 gmu - Study guides, Class notes & Summaries

IT 105 Final GMU Latest Update with Verified Solutions DMA instructions Application program requests I/O service from operating system Interrupt to CPU upon completion of DMA Privileged programmed I/O instructions executed by the operating system kernel or a privileged process, that require direct access to hardware or other privileged resources, such as setting up memory mappings, accessing I/O devices, etc. Programmed I/O is used to send: 1. Location of data on I/O device ...

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IT 105 Final Exam GMU Latest Version Graded A+ 0 to 127, with a default subnet mask of 255.0.0.0. Class A address 192-223, with a default subnet mask of 255.255.255.0. Class C 5 to 50 km, private/public, City networks, MAN A basic computer network can be described as two or more computers that are linked together. A combination of two or more basic network topologies Hybrid a computer technology that uses VR headsets, in combination with interactive hardware and software,...

GMU IT 105 Final Exam; Questions & Answers 100% Solved The OSI model defines four layers used by computer systems to communicate over a network Correct answer-False Random access files are the same as relative access files. Correct answer-True In computer hardware, a port is simply a connector at the end of a bus into which a device can be plugged Correct answer-True The operating system provides I/O support services that can be used by every program. Correct answer-True

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GMU IT 105 Final Exam; Questions & Answers 100% Solved How many layer does the TCP/IP model have? Correct answer-4 IPv6 is how many bits long? Correct answer-128 UDP provides sequencing, error control and flow control just like TCP Correct answerFalse What are examples of standard paired cables? Correct answer-CAT 2, CAT 3, CAT 5 Which technology uses software and hardware to automatically collect and analyze data about a device's surroundings, to present relevant, actionable informa...

IT 105 GMU MIDTERM REVIEW with Complete Solutions | Already Passes Serial processing - Processing data one instruction at a time, completing one instruction before beginning another Pipeline processing - A technology that allows a processor to begin executing an instruction before completing the previous instruction Parallel processing - The simultaneous use of more than one processor to execute a program CPU cache - A high-speed memory providing the CPU rapid access to data that would ...

GMU IT 105 Final Exam Questions and Answers Already Passed A basic computer network can be described as two or more computers that are linked together a computer worm is a standalone malware computer program that replicates itself in order to spread to other computers true A program that performs a useful task while simultaneously allowing destructive acts is a Trojan horse a router is a hardware component used to interconnect networks true An intentionally disruptive progra...