Before using this website, you must read our disclaimer here. Internet security is a branch of computer security, Its objective […]
Category: Data Processing
Free Data Processing online learning lesson notes and videos for Secondary school and High school students. The lesson notes, videos and interactive slideshows are built on curriculum that is designed to meet national and international O’ Level standard for Senior High School or Senior Secondary school students (SS1, SS2, SS3 or SHS1, SH2, SH3) and Grade 9, Grade 10, Grade 11 and Grade 12 students.
Free online lesson notes and videos for the following exam preparations: WAEC, JAMB, Cambridge O’Level, NECO, GCE, British IGSCE, KCSCE, United States and Canada High School Exam preparations, etc.
You can also use the search box to search for any specific lesson or topic.
Networking Networking is the practice of linking two or more computing devices together for the purpose of sharing data. Networks […]
Parallel database A parallel database system seeks to improve performance through parallelization of various operations, such as loading data, building […]
DEFINITION Crash recovery is the process by which the database is moved back to a consistent and usable state. This […]
DEFINITION An Index is a copy of database table that has been reduced to certain fields and the copy is […]