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Problem 1
a) Give three reasons why connecting peripherals directly to the system bus are not a good practice.
b) Name five categories in which the major functions on requirements for an I/O module fall.
c) Differentiate between RAID 0 and RAID 1.
d) Provide two advantages and one disadvantage of CD-ROM compared with traditional magnetic disks
Problem 2
a) An Operating System will be thought of as having two objectives or performing two functions. Name and provide a small description of these two functions.
b) Differentiate between "Setup Time" and "Scheduling".
c) Name five services typically given by an Operating System.
d) Briefly explain the following two hardware features:
(i) Privileged Instructions(ii) Memory Protection
Buses: Execution of 1 instruction need the following 3 steps to be performed by the CPU: I. Fetch the contents of the memory location pointed at by the computer syst
Define cache memory? A special very high speed memory known as a cache is sometimes used to increase the speed of processing by making current programs and data available to th
Q. Why we need number systems? Number system is used to signify information in quantitative form. Some of the general number systems are octal, decimal, hexadecimal and binary.
POSIX is the IEEE's Portable Operating System Interface for Computer Environments. The standard provides compliances criteria for operating system services and is designed to allow
How can I increase the number of rows or columns in a worksheet? Ans) In Excel, each workbook has 255 columns and 65,526 rows. These values are fixed and cannot be changed. If
Question 1 What is modulation? Explain why is modulation required? 2 Briefly explain about ASK, FSK and PSK 3 Explain about the Nyquist Bandwidth and Nyquist Theorem 4
Define Word/byte rotation and XOR bit masking encryption technique to make sure secured transactions on the net? Word/byte rotation and XOR bit masking: In this process t
Write a BASH/C shell script which takes name of one or more files as a command line argument, and prints the following information for each file: owner, number of words in the file
Define the term Intranet. Intranet: An Intranet is a type of information system that facilitates communication within the organizations among widely dispersed department
#questi on.. How it works explain
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