C0C1 (week 3-5) Flashcards
is a character that is either a letter or a number.
alphanumeric
is an application that scans a computer’s disks and
memory for viruses and removes any that are found.
anti-virus application
base 2 is a numeric system that only uses two digits – 0 and 1. A
single binary digit can only represent True (1) or False (0) in Boolean logic.
Binary
is the person who actually uses a particular product.
end user
also known as fetch-decode-execute cycle is the cycle that
the central processing unit follows from boot-up until the computer has shut down
in order to process instructions.
instruction cycle
is the base of a system of numeration.
radix
is a computer
program that provides instructions and data to execute a user’s commands.
Software
This is the software on a computer that is designed to control and work
with computer hardware. Also known as low-level software
system software
are
complex pieces of
software, often requiring many years and many people to develop them.
the most important software without which you cannot work on a computer system.
It is software that lets you communicate with the computer.
operating system
It is
software that translates or converts a program written in a computer language
into the machine language so that it can be understood by a computer.
language processor
It is designed to perform maintenance or housekeeping work on a computer
system in order to ensure its smooth functioning.
utility software
It is a computer maintenance utility included in Microsoft
Windows designed to free up disk space on a computer’s hard drive.
disk cleanup
It is a set of programs that are designed to prevent,
search for, detect, and remove software viruses, and other malicious
software. Few examples of antivirus software are Norton, Quick
Heal, AVG, Avira and McAfee.
anti virus software
This software is designed for a specific task and is also known as “end
user” software. Application software or “apps” are what you engage with the most.
These types of computer software are productive programs that help you perform
tasks. Some example includes MS Word, Photoshop, Viber, VLC player, etc.
application software
data transferred to or from the processor to memory
processor-memory
data transferred to or from a peripheral device by
transferring between the processor and an I/O module
processor-i/o
the processor performs some arithmetic or logic operation
on data 19
data processing
an instruction may specify that the sequence of execution be
altered. An instruction execution may involve a combination of these actions.
control
in computer ideology is regarded as the method or
system of numbering and representing of digits in the computer ‘inner’ system.
number system
Only has two digits – 0 and 1.
● Every number (value) is represented with 0 and 1.
binary number system
It has only eight (8) digits from 0 to 7.
● Every number (value) is represented with 0,1,2,3,4,5,6, and 7.
octal number system
It has only ten (10) digits from 0 to 9.
● Every number (value) is represented with 0,1,2,3,4,5,6,7,8, and 9.
decimal number system
It has sixteen (16) alphanumeric values from 0 to 9 and A to F.
● Every number (value) represents with 0,1,2,3,4,5,6,7,8,9,A,B,C,D, E, and
F.
hexadecimal number system
is a framework that describes the activities
performed at each stage of a software development project.
SDLC (Software Development Life Cycle) It is also called Software
Development Process.