DATABASE SECURITY
DEFINITION OF DATA SECURITY Data security is the practice of keeping data protected from corruption and unauthorized access. The focus… Read More »DATABASE SECURITY
Data Processing/Information Processing
MAINTENANCE OF COMPUTER II
Maintenance is highly essential in order to prolong its contributing functionality. SOFTWARE MAINTENANCE The maintenance of programs inside the computer… Read More »MAINTENANCE OF COMPUTER II
MAINTENANCE OF COMPUTER HARDWARE I
Maintenance of computer hardware is a way of taking care, repairing and replacing broken and failing computer hardware. Maintenance is… Read More »MAINTENANCE OF COMPUTER HARDWARE I
DENSE VERSUS SPARSE INDEXES
DENSE INDEX This is said to be dense if it contains (at least) one data entry for every search key… Read More »DENSE VERSUS SPARSE INDEXES
INDEXES
INDEXES An Index is a copy of database table that has been reduced to certain fields and the copy is… Read More »INDEXES
SS 3 Data Processing Revision
DEFINITION OF DATA MODEL Is the process of structuring and organizing data. TYPES OF DATA MODELS (1) Flat (2)… Read More »SS 3 Data Processing Revision
APPLICATION SOFTWARE – Full Explanation
Application Software These refer to the program used to solve a particular type of problem or variety of similar problems.… Read More »APPLICATION SOFTWARE – Full Explanation
ART OF INFORMATION PROCESSING – COMPREHENSIVE EXPLANATION
ART OF INFORMATION PROCESSING – CPMPREHENSIVE Art of Information processing can be defined as a series of actions or operations… Read More »ART OF INFORMATION PROCESSING – COMPREHENSIVE EXPLANATION
COMPUTER HARDWARE & SOFTWARE
COMPUTER HARDWARE & SOFTWARE HARDWARE Computer hardware is generally used to describe all the electronic and mechanical elements of a… Read More »COMPUTER HARDWARE & SOFTWARE
OVERVIEW OF COMPUTER SYSTEM
DEFINITION OF COMPUTER Computer can be defined as a programmable machine which can accept data through an input device, process… Read More »OVERVIEW OF COMPUTER SYSTEM