WHAT IS A SPREADSHEET A spreadsheet is used to carry out everything from simple addition to complex financial and statistical analyses. Spreadsheet programs can also help you create charts and graphs based on the data you’ve entered. Brand Names of Spreadsheet Software Microsoft Excel Microsoft Works Spreadsheet
Tuesday, April 7, 2015
Common Preventative Maintenance Techniques Used for Networks
Network Maintenance There are common preventive maintenance techniques that should continually be performed for a network to operate properly. In an organization, if one computer is malfunctioning, generally only that user is affected. But if the network is malfunctioning, many or all users are unable to work. Preventive
Network Cards
A NIC is required to connect to the network. The NIC may come preinstalled on a computer, or you might have to purchase one on your own. You must be able to upgrade, install, and configure components when a customer asks for increased speed or new functionality to
Network Installation Steps
Having a clear understanding of all the steps required to physically building a network improves the success of a project. You may need to install network cards, wireless and wired network devices, and configure network equipment. When installing a wireless network, you can use a wireless access point
OSI and TCP/IP Data Models
Reference Models An architectural model is a common frame of reference for explaining Internet communications and developing communication protocols. It separates the functions of protocols into manageable layers. Each layer performs a specific function in the process of communicating over a network. The TCP/IP model was created by
Install the Motherboard
The CPU, heat sink and fan assembly might be installed on the motherboard before the motherboard is placed in the computer case. This allows for extra room to see and maneuver components during installation. CPU Figure 1 shows a close-up of the CPU and the motherboard. The CPU
Open the Case and Install the Power Supply
Computer cases are produced in a variety of form factors. Form factors refer to the size and shape of the case. Prepare the workspace before opening the computer case. You want adequate lighting, good ventilation, and a comfortable room temperature. The workbench or table should be accessible from
Computer Assembly
Introduction Assembling computers is a large part of a technician’s job. As a technician, you must work in a logical, methodical manner when working with computer components. At times, you might have to determine whether a component for a customer’s computer needs to be upgraded or replaced. It
example of onscreen form
Particulars of Legal Guardian (if child is not in parents’ care) Please attach a photocopy of Certificate of Legal Guardianship. Name NRIC / FIN / Passport No. Date of birth (dd/mm/yyyy) Marital status r Single r Married r Separated r Divorced r Widowed Country of birth Race Citizenship
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