Random CS Flashcards
What are the 3 main Boolean operating systems?
AND, OR, NOT
In Boolean operating system terms; What does the “AND” do?
All specific requirements must be met before returning as “True”
In Boolean operating system terms; What does the “OR” do?
As long as one out of two conditions are met the value returns as “True”.
In Boolean operating system terms; What does the “NOT” do?
If any or no conditions are met the returning value will always be “False”
What shape is the “AND” logic gate?
Like a capital D shape
what is an open source software?
A software that can be changed by anyone due to a source code
What is proprietary software?
Proprietary software remains the property of its owner/creator and is used by special user/organisations
and it cannot be used by outsiders and it is copyrighted
What is System Software?
System software is a type of computer program that is designed to run a computer’s hardware and application programs.
What is meant by utility software?
software programs that add functionality to your computer or help your computer perform better
What is the job of the operating system?
(1) manage the computer’s resources, such as the central processing unit (2) establish a user interface, and (3) execute and provide services for applications software
Why is the cache so small?
as it does not need to hold that much data
What does the term ‘volatile’ mean?
it does not wipe its data after the computer is turned off
What is an embedded system?
An embedded system is a combination of computer hardware and software, designed for a specific function or functions within a larger system.
What is a control system?
A control system manages, commands, directs, or regulates the behaviour of other devices or systems using control loops.
Why is the ROM required in a computer?
ROM is memory that cannot be changed by a program or user. ROM keeps its memory even after the computer is turned off
Why might a Solid State Drive be a better choice over a Hard Disk Drive?
h provides better performance and reliability over an HDD.
What is cloud storage?
Cloud storage is a model of computer data storage in which the digital data is stored in logical pools. The physical storage spans multiple servers, and the physical environment is typically owned and managed by a hosting company.
.Give an advantage of cloud storage.
Cloud Storage Can Save Costs. Economies of scale.
