quiz6

1. Define system software and identify the two types of system software.

-  System software refers to the files and programs that make up your computer's operating system. 
      
          2 Types Of System Software
                    >Operating System

                >Utility Program
2. Briefly describe various server operating systems: Windows Server, UNIX,Linux, Solaris, and NetWare.

     Windows Server is a brand name for a group of server operating systems released by Microsoft Corporation. 

     Unix  is amultitasking, multi-user computer operating system originally developed in 1969 by a group of AT&T employees at Bell Labs. 

     Linux refers to the family of Unix-like computer operating systems using the Linux kernel. 
    
     Solaris is a Unix operating system originally developed by Sun Microsystems.

     NetWare is a network operating system developed by Novell, Inc.

3. Summarize the features of several embedded operating systems: Windows Embedded CE, Windows Mobile, Palm OS, iPhone OS, BlackBerry, Google Android, Embedded Linux, and Symbian OS.

    Microsoft Windows CEis an operating system developed  by Microsoft for embedded systems.

      Features Windows Mobile

• Today screen shows the current date, owner information, upcoming appointments, e-mail messages, and tasks. (Home screen in later WM6.5 builds)
• The taskbar shows the current time and the audio volume.
• Office Mobile, a suite of Mobile versions of Microsoft Office applications, including Outlook Mobile.
• Internet Explorer Mobile, an Internet browser developed by Microsoft for Pocket PC and Handheld PC that comes loaded by default with Windows Mobile and Windows CE for Handheld PC.
• Windows Media Player for Windows Mobile.
• Client for PPTP VPNs.
• Internet Connection Sharing (ICS), which in mobile phones allows the phone to make its Internet connection available to computers via USB and Bluetooth.
• File system similar to that of Windows 9x/Windows NT, with support for many of the same file types.
• Ability to multitask.

- Palm OS  is designed for ease of use with a touchscreen-based graphical user interface.

Features:

• Simple, single-tasking environment to allow launching of full screen applications with a basic, common GUI set
• Monochrome or color screens with resolutions up to 480x320 pixel
• Handwriting recognition input system called Graffiti 2
• HotSync technology for data synchronization with desktop computers
• Sound playback and record capabilities
• Simple security model: Device can be locked by password, arbitrary application records can be made private
• TCP/IP network access
• Serial port/USB, infrared, Bluetooth and Wi-Fi connections
• Expansion memory card support
• Defined standard data format for personal information management applications to store calendar, address, task and note entries, accessible by third-party applications.

- iPhone OS Features:

• Multitasking
• Fast App Switching
• Local Notification
• App Folders
• New App E-mail
• iBooks

- Blackberry Features:

• Multi-touch Interface
• Webkit Browser
• Home Screen
• Universal Search
• Context Sensitive Menus
• Social Tools

Google Android Features:

• Handset layouts
• Storage
• Connectivity
• Messaging
• Multiple language support
• Web browser
• Java support
• Media support
• Streaming media support
• Additional hardware support
• Multi-touch
• Bluetooth
• Video calling
• Multitasking
• Tethering
• Screen Capture

4. Explain the purpose of several utility programs: file manager, search utility, image viewer, uninstaller, disk cleanup, disk defragmenter, backup and restore utilities, screen saver,

 personal firewall, antivirus programs, spyware and adware removers, Internet filters, file compression, media player, disc burning, and personal computer maintenance.

• File Manager - is a computer program that provides a user interface to work with file systems.
• Image Viewer - is a compuer program that can display stored graphical image; it can often handle various graphics file formats.
• Uninstaller - also called a deinstaller is a utility software designed to remove other software or parts of it from a computer. It is the opposite of an installs.
• Disk cleanup - is a computer maintenance utility included in Microsoft Windows designed to free up disk space on a computer's hard drive.
• Disk defragmenter - is a process that reduces the amount of fragmentation in file systems.
• Backup Utility - allows users to copy files to another storage medium.
• Restore Utility - reverses the process and returns backed up files to their original form
• Screen Saver - causes a display device’s screen to show a moving image or blank screen if no activity occurs for a specified time
• Personal Firewall - detects and protects a personal computer from unauthorized intrusions
• Anti Virus Program - protects a computer against viruses
• Spyware removers - detects and deletes spyware and other similar programs
• Adware remover-  is a program that detects and deletes adware
• Internet Filters - are programs that remove or block certain items from being displayed
• File Compression - shrinks the size of a file(s), compressing files frees up room on the storage media.
• Media Player - allows you to view images and animation, listen to audio, and watch video files on your computer
• Disc Burning - writes text, graphics, audio, and video files on a recordable or rewritable optical disc.
• Personal Computer Maintenance - identifies and fixes operating system problems, detects and repairs disk problems, and includes the capability of improving a computer’s performance.