Week 11 – Operating Systems
Operating System
Software for basic computer activities including task scheduling
and peripheral control.
Central Processing Unit
(CPU)
It is a crucial component of any digital computer system, usually
made up of the control, arithmetic-logic, and main memory units.
Memory
This is a device that can be used to permanently or temporarily
store programmes (sequences of instructions) or data.
Disk
It is a computer's hard drive or floppy disc, or other data storage
device.
Network
A set of two or more computers linked to each other to exchange
data electronically.
File Systems
It’s a technique and data structure the operating system employs to
manage the storage and retrieval of data.
Programming
Simplification
Enables programmes to function with various devices without
requiring prior knowledge of them.
Windows OS
Microsoft's operating system created specifically for personal
computers (PCs).
Mac OS
The MacIntosh family of personal computers and workstations
from Apple Computer's operating system.
Cent OS
Community Enterprise Operating System is what Cent stands for. It
is an open-source and free Linux distribution that offers an
operating system.
iOS
It's an operating system used for the Apple devices like iPhone,
iPad etc.
Start Menu
The main place in Windows where you may find files and
directories and where your installed programmes are located.
accessed by selecting Start on the Windows desktop screen's lowerleft corner.
Task Manager
An operating system feature that's present in all Microsoft
Windows versions and lets you see every task (process) and the
computer's overall performance.
Non-responsive Programs
Windows' method of alerting you when a programme may be
malfunctioning.
Computer Sleeping
A computer can go into sleep mode, also known as standby or
suspension mode, to save power when it's not in use.
Administrator Account
A database account with administrative task capabilities activated
in Enterprise Manager
User Account
It is a person's digital identity is generated by a computer or other
computing device.
Files
A computer's shared storage unit, where all data and programmes
are "written" and "read" from files.
Special Characters
It is a character that is neither numeric nor alphabetic. Symbols and
punctuation marks are examples of special characters.
Filename Extensions
A group of characters that are appended to a filename, typically
followed by a full stop and serving as a format indicator. As an
illustration, docx, html, xlsx, etc.
External Drives
A wirelessly connectable or USB-portable portable storage device
for computers.
Windows Explorer
Windows's file management programme. Users can search for files
and related components, as well as manage files, folders, and
network connections.
Zip Files
A compressed computer file used for transport or storage.