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Input/Output Services:
Every operating system, large or small, provides input/output services for each device in the system. The operating system includes I/O device driver programs for each device installed on the system. These drivers provide services to the file management system and are also available, through the API, to other programs for their use. The I/O device drivers accept I/O requests and perform the actual data transfers between the hardware and specified areas of memory.
Devices drivers for newly installed devices are added and integrated into the operating systems. In Windows, this capability is known as plug-and-play.
Cathode Ray Tube Monitors (CRT): Monitors display what is going on in your computer. They can run at various resolutions. It is the part of computer which looks like a TV set.
If you have to consider the installation of communications packages, the same questions have to be asked. (a) Does the software and the modem support the necessary transmission
Sequential-access memory device: A Sequential-access memory device reads data in sequence. In other words, information on a serial device can only be retrieved in the same s
a cloth merchant A cloth showroom has announced the following seasonal discounts on purchase of items: Purchase amount Discount Mill items Handloom items 0-100 - 5% 101-200 5% 7.5%
Write a C++ program that declares three integers and three strings. The program prompts the user for three characters and three integers and prints them all on one line.
Briefly explain who a hacker is and what the activities of a hacker are?k question #Minimum 100 words accepted#
An E-Mail Account: Inbox: Inbox is the main folder in your email account. It contains all the e-mails that have arrived in your e-mail account. You can click on inbox to see t
QUESTION (a) Write a program to swap two names between two variables for examples: N1 = "Mary Anne" N2 = "Queen Mary". The program should make use of an appropriate Fu
Question 1 List and explain the ways used to close an MS Word document Question 2 What is MS-Excel? List the steps involved in starting Microsoft Excel Question 3 What i
100 animals and their respiratory organs
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