What is COM?

Correct Answer: There are four important files in order to make a bootable Windows XP operating system These are Ntldr, Ntdetect, Bootini and Ntfssys

Correct Answer: Creating partition may serve different purposes The common reason is that a separate partition can be used to store data files so that when Windows needs to be reinstalled, the main partition can be formatted without fear of loosing data, which are stored on the other partition

Correct Answer: The server version of a Windows operating system is designed to provide more optimized networking services over a network It can manage domains better and it includes more security feature and data backup support Workstation versions act merely as clients and therefore do not need to have as much resources when compared to the server versions

Correct Answer: Windows XP supports four major file systems: FAT12, FAT16, FAT32 and NTFS This means that Windows XP can be installed on these file systems The use of NTFS is preferred especially when using a bigger hard drive space

Correct Answer: Microsoft classifies such threats into 4 indicators, which are low, moderate, important, and critical Such indicators are available as reference under the Microsoft bulletin

Correct Answer: Arrays can store data in a fix allotted space The use of linked list allows more flexibility because space is dynamically allocated as needed

Correct Answer: Dual boot system allows you to install and maintain two operating systems on a single PC The purpose for this is to maintain compatibility between older and newer software For example, there maybe programs that only work under Windows 98, therefore having a dual boot system between Windows 98 and another version like Windows XP is a good choice

Correct Answer: A 32 bit processor is faster than a 64 bit processor, 64 bit processors are very commonly used that you can find it easily in any home pc but the main difference is the hardware you are having on your machine For 32 bits there isn't any need of any wide main bus to carry 32 bits at a time but for 64 bits its must that you should have a wider bus to carry 64bits

Correct Answer: UDP (User Datagram Protocol) is a communications protocol that offers a limited amount of service when messages are exchanged between computers in a network that uses the Internet Protocol (IP)

Correct Answer: The main types of system calls are as follows: Process Control: These types of system calls are used to control the processes Some examples are end, abort, load, execute, create process, terminate process etc File Management: These types of system calls are used to manage files Some examples are Create file, delete file, open, close, read, write etc Device Management: These types of system calls are used to manage devices Some examples are Request device, release device, read, write, get device attributes etc Information Maintenance: These types of system calls are used to set system data and get process information Some examples are time, OS parameters, id, time used etc Communications: These types of system calls are used to establish a connection Some examples are send message, received messages, terminate etc