Technology Computer System Pdf


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Learn the concept of a system in general and the computer system in parts or devices of the computer system like the electronic Integrated Circuits (ICs). Chapter 1. Computer System. Overview. Eighth Edition. By William Stallings. Operating. Systems: Internals and Design. Principles. The physical (electronic and mechanical) parts of a computer or information system. • Software. – The programs that control the operation of the computer system.

Computer System Pdf

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Hardware: Computer hardware is the collection of physical elements that constitutes a computer system. Computer hardware refers to the physical parts or . The fundamentals of computer systems design and organization are presented, and A general purpose computer system is a programmable machine that can . University of Texas at Austin CSH - Introduction to Computer Systems Fall Systems I. Introduction to Computer Systems. Don Fussell. Spring

Each user gets time of CPU as they use single system. These systems are also known as Multitasking Systems. The task can be from single user or from different users also. The time that each task gets to execute is called quantum.

After this time interval is over OS switches over to next task. Distributed Operating System — These types of operating system is a recent advancement in the world of computer technology and are being widely accepted all-over the world and, that too, with a great pace. Various autonomous interconnected computers communicate each other using a shared communication network.

Independent systems possess their own memory unit and CPU. These are referred as loosely coupled systems or distributed systems. The major benefit of working with these types of operating system is that it is always possible that one user can access the files or software which are not actually present on his system but on some other system connected within this network i.

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Advantages of Distributed Operating System: Failure of one will not affect the other network communication, as all systems are independent from each other Electronic mail increases the data exchange speed Since resources are being shared, computation is highly fast and durable Load on host computer reduces These systems are easily scalable as many systems can be easily added to the network Delay in data processing reduces Disadvantages of Distributed Operating System: Failure of the main network will stop the entire communication To establish distributed systems the language which are used are not well defined yet These types of systems are not readily available as they are very expensive.

Network Operating System — These systems run on a server and provide the capability to manage data, users, groups, security, applications, and other networking functions. These type of operating systems allow shared access of files, printers, security, applications, and other networking functions over a small private network.

The MROM cannot be programmed by the user. EPROM is erased by exposing it to ultra-violet light for a duration of up to 40 minutes. It can be erased and reprogrammed about ten thousand times. Both erasing and programming take about 4 to 10 milliseconds.

Secondary Storage External Storage Devices Floppy diskettes, hard disk, tapes and optical disks come under the category of external storage devices or ancillary storage devices.

These devices are very sensitive to environmental conditions humidity and temperature as well as to external magnetic fields and need to be stored carefully.

Information on a floppy disk is recorded in the magnetized states of particles of iron oxides evenly placed upon concentric circles known as tracks. It contains a stack of metal platters, each coated with iron oxide, that spin on a spindle and the entire unit is encased in a sealed chamber.

C Magnetic Tape This is plastic tape, usually made of Mylar that is coated with iron oxide, thereby enabling the introduction writing ; retention memory and reading of magnetically recorded information. The best use of tape storage is for data that you do not use very often. If a peripheral device is disconnected, the computer will still be able to work; only functions performed by this peripheral device will not be available.

Here are the most used types of peripheral devices: A Keyboard The most common and very popular input device which helps in inputting data to the computer. It consists of keys that are capable of inputting alphabets, numbers and special characters.

Operating System | Types of Operating Systems

You can also navigate using the keyboard and perform shortcut functions. B Mouse Mouse is the most popular pointing device and cursor-control device having a small palm size box with a round ball at its base which senses the movement of mouse and sends corresponding signals to CPU when the mouse buttons are pressed.

It forms images from tiny dots, called pixels that are arranged in a rectangular form. The sharpness of the image depends upon the number of pixels. D Printer Printer is an output device, which is used to print information on paper.

Impact Printers: The impact printers print the characters by striking them on the ribbon which is then pressed on the paper. Non-Impact Printers: Non-impact printers print the characters without using ribbon. These printers print a complete page at a time so they are also called as Page Printers. Laser Printers, Inkjet Printers. E Joy Stick It is a device used to move cursor position on a monitor screen.

F Scanner A scanner allows you to scan printed material and convert it into a file format that may be used within the PC. In the Setting menu, choose Basic Redirect everyone s folder to the same location In the Root Path, type the path of the shared folder with the format: Click Apply then choose Yes Double click redirection GPO In the Security Filtering section, click Add button Type Everyone Click Check Names button Click Close button C.

Updating Group Policy Server 1. How to fix You don t currently have permission to access this folder OR You have been denied permission to access this folder. Server 1. Right click the folder Ex. Documents, Desktop, Music etc. Click Security Tab 3.

Click Continue button 4. Check Replace owner on subcontainers and objects 6. Click Yes button 7. In the left side, Click Advance Sharing Settings 4. In the Public and Home or Network Sections enable the following: In your client-PC, Click Start 2. Right click Computer then choose Properties 3. In the left side, Click System Protection 4.

Basic Computer Hardware Notes in PDF

Click Computer Name tab 5. Change the Computer Description to the name of the user you created in the server Ex. Client1 6. Click Change button 7. Type the Computer Name base on the name of the user you created in the server Ex. Client1 8. Click Domain in the Member of frame 9.

Type the domain name you created in the server Ex. Click OK Page 23 http: Go to the Client-PC 2. Type cmd then press enter 4.

In the command prompt type: Go to the Server-PC 2. Type cmd and click OK 3. In the command prompt type net sess 4.

Press Enter key. Remote Desktop A. Install Remote Desktop Services Server 1. Check Remote Desktop Services in the list of Roles 7. Click Next button 8. Click Next button 9.

Check Remote Desktop Session host then click Next button Choose Configure later then click Next Button Restart your server computer. Page 24 http: Enabling Remote Desktop Server 1. In the left side, click System Protection 4. Click Remote tab 5. Select Allow connections from computers any versions of Remote Desktop less secure 6.

Click Apply and OK C. In the router s configuration screen, look for a place to turn on port forwarding port mapping 5. How to Access Remote Desktop in your Laptop 1. In the search box type: Remote Desktop 3. In the search results, click Remote Desktop Connection 4. Type the IP address of the server or computer you want to connect Ex. Click OK or press Enter key. Page 25 http: Make sure printer was installed properly 2.

Click Start button then click Devices and Printers. Right-click the printer you want to share and choose Printer Properties 4. On the opened box click Sharing tab. Check Share this printer checkbox to allow the printer to be shared on the network.

In Share Name field the default shared name of the printer can be change or let it by default. Finally click OK button to share the printer. Page 26 http: In the left side, click Create a system image, and then follow the steps in the wizard. If you're prompted for administrator password or confirmation, type the password or provide confirmation. Restart your computer using the computer's power button. When Advanced Boot Options screen prompted, use the arrow keys to select Repair your computer, and press Enter key.

Select a keyboard layout Ex. English-US , and then click Next.

Select a user name, type the password, and then click OK. If it is blank password, just simply click the OK button. Creating System Restore Point in Windows 7 1. Click the start button, then right-click Computer, and then choose Properties.

In the left side, click System protection. If you're prompted for an administrator password or confirmation, type the password or provide confirmation.

Click the System Protection tab, and then click Create. In the System Protection dialog box, type a description, and then click Create. Page 27 http: Restart your computer. Press and Hold F8 key 3. Click Recovery Options 6. Click OK button Optional: Enter your username and password if you have one 7.

Click and choose System Restore 8. Select or choose restore point you ve created then click OK. Click Finish button Click Restart button. Type the administrator account and password Ex. Administrator, pass: Css 5. Click Computer Name tab 6. Click Workgroup 7.

Type the workgroup name Ex. Click OK 9. Page 28 http: These are only the questions that I remembered during my Interview 1. How would you do this? Partition hard drive then Install Windows 7 and lastly, install Windows Server in the second partition 2.Hardware Introduction to Computers: Learning objectives What you will learn as you master the competency: You will learn common technical specifications.

Type the Ending IP address: Different symbols are used to draw each type of flowchart. Drum Plotter: The paper is placed over the drum that rotates back and forth. Also called speech-to-text.

It is made up of a group of memory locations built directly into the CPU called registers. Examples of hardware in a computer are the keyboard, the monitor, the mouse and the central processing unit.

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