It is the act of detecting a fault (troubleshooting) and then repairing or correcting the fault which then restores a system to a proper working condition. This ensures that the system begins to operate at a specified availability and performance over a specified time and life.
The computer system environment is where the computer system is located or placed. The following should be provided when planning for computer environment for efficiency. Air conditioner Burglary proofs Ceiling or standing fan Curtain materials Burglary light Tables and chairs Carpet or rugged floor Un-interruptible power supply (UPS) Electronic Voltage Stabilizer (EVS) Dust cleaners Security …
It is very necessary that before the output of a processed data is given, it is tested to avoid giving wrong information. This is why the error-free information is introduced. To ensure an error-free result, the following has to be done: Data Control: It ensures that the right data is put in. Data Verification: Ensures …
There are five main steps in turning data into meaningful information. These are: A. Origination: It is also called data collection. It is putting together the original data and organizing method for handling the source document, which includes verification. B. Preparation: Once the data has been verified, the source document is sorted. Sorting is the …
It is the term given to the collecting of raw data (facts) and working on it to become information. Different methods of collecting data are: a. Manual method — using human hand b. Mechanical method — using machine without electricity. c. Electronic method — using a computer.
It refers to the basic raw facts and figures about any activity, which have been recorded. Examples of data are: the number of boys in a class, the results of premiership match played etc.