Com Flashcards
the old and single user. though it is not used by many people at present, it is better to study __ w/ a view to understand how the files are created.
DOS/ DISK OPERATING SYSTEM
it is an operating system that runs from a disk drive. the term can also refer to a particular family of disk operating system most commonly known as ___
MS-DOS or Microsoft DOS
is a graphical user interface (GUI). designed to provide users with user-friendly interface to interact w/ their computers.
WINDOWS OPERATING SYSTEM
used to change the current directory
cd
used to clear the screen of any text or commands that were previously entered
cls
display a list of files and directories in the current directory
dir
used to move a file from one location to another
move
displays the current network configuration of your computer and another device on the network
ipconfig
used to test the connection between your computer and measures the response time
ping
developed by apple Inc. for its mac line of personal computers and workstations
Macintosh Operating System / MacOS
it is a powerful and flexible open-source software platform. it is free and available to public view, it is also customizable
linux operating system / LOS
helps to run other application software on mobiles devices. it is the same kind software as windows and linux but now they are light and simple to some extent
mobile operating system / MOS
most common operating system. google is the developer of ___.
Android OS
samsung is the launcher of this operating system. it includes features like 3-D, graphics, application installation, multipoint touch etc.
BADA
the developer of this operating system is Research in Motion or RIM. It is useful for corporate officers.
Blackberry OS
it is designed to run on apple devices such as iphone, ipad, tablet, etc. it contains apple store, it has a strong security features.
Apple iOS
the developer is of this is Microsoft. it is designed for pocket PCs and smartphones.
Windows Mobile operating system
nokia was the first use of this OS on its mobile phones. it provides high level integration with communication. this OS is based on jave language.
Symbian OS
an electronic device that accepts, process, stores, and outputs data at high speed according to programmed instructions.
computer
means all computers are powered by electricity
electronic
computers follow a set of rules in order to operate
programmable
store huge amount of data for future use (electronic cabinet)
storage
computers are able to get or return whenever it has stored
retrieve
transform or manipulate data
process
raw, unprocessed facts (collection of text, numbers, image, audio and video)
data
processed data (it conveys meaning and is useful to people)
information
the procedure of feeding or entering data into computer systems
input
the transforming data into something useful. this function is done through programs
process
written instructions that tell computer on how to manipulate and transform the data it was given to
programs
the result of the processing functions
output
computers save data and output for later use
storage
which means that wrong data entered into the computer will result in wrong information produced
Garbage In Garbage Out (GIGO)
ABACUS was invented in ____
ancient time
it was the man’s first recorded adding machine
abacus
it allows multiplication and division to be reduced to addition and subtraction
logarithms
they invented logarithms
John Napier, Baron of Merchiston, Scotland
in 1642, a french mathematician named ____ invented mechanical calculation called ____
blaise pascal; pascaline
in 1671, _____, a german mathematician, invented machine called ____ that could multiple 5 digits and 12 digit numbers yielding up to 16 digit number.
gottfried leibniz, stepped reckoner
in 1801, _____ developed an automatic loom that was controlled by punched cards.
joseph-marie jacquard; jacquard loom
in 1822, _________ invented the first modern computer design; a steamed-powered adding machine called the ____ to automatically solve math problems.
charles babbage; difference engine
it was a mechanical adding machine that took information from punched cards to solve and print complex mathematical operations
analytical engine
babbage’s difference and analytical engine was regarded as the ____ . these earned him the title ____
“thinking machines”; “father of computer”
the first program was written by ___ for babbage’s difference engine. she is credited with being the “first computer programmer”.
Ada Augusta Lovelace; ADA
punched card tabulating machine is invented in what era
electromechanical era
the first person to use punched cards specifically for census taking was _________
herman hollerith
it was adapted for use of in early computers and provided computer programmers with a new way to put info into machines
punched cards tabulating machine
_________ the first efficient four-function calculator, is invented by ___________, A Swiss Engineer in 1893.
millionaire;OTTO Shweiger
_________ built the first programable computer called _________. it is the first fully functional controlled computer.
konrad zuse; Z3
__________ built ____ “the first stored-program computer”
howard aiken; MARK I
___________ and ___________ completed the first all-electronic computer called ________
atanasoff and berry ; ABC / Atanasoff Berry Computer
it had vacuum tubes, resistors, and welded metal joints.
1st gen (1961-1958)
first operational electronic digital computer called
ENIAC
first commercially available electronic computer
UNIVAC-1
first electronic computer
IBM 701
used transistors
2ND-GEN
grace hopper the woman that found the first computer bug finishes developing the
COBOL / COMMON BUSINESS-ORIENTED LANGUAGE
the DEC founded by Ken Olsen, released the first minicomputer, the _______
DPD-8
thomas kurtz and john kemery developed the ______
BASIC (BEGINNERS ALL PURPOSE SYMBOLIC INSTRUCTION CODE)
computers in this generation relied on new technology called integrated circuits
3rd-gen
the ______ is an extension of 3rd gen. it put power and capabilities in one chip called __________.
4th gen; microprocessor
_______ in 4th gen produced the first personal computer. they named after __________. it was the first easily available computer micro-computer.
MIT; ALTAIR 8080
in 4th gen, the _______ was released, the first spreadsheet program
VisiCalc
the 5th gen was initiative by ________, to create computers using massively parallel computing and logic programming. It focus more on connectivity.
japan’s ministy of international trade and industry; 5th gen
invention in ancient times
abacus
invention in mechanical era
-logarithms
-pascaline
-stepped reckoner
-jacquard loom
-difference engine
-analytical engine
-ada
in _____ gen produced the first personal computer
4th generation
it was made of clock gears and levers, and could see basic mathematical problems like addition and subtraction
pascaline
invention in electromechanical
-punched card tabulating machine
-millionaire
the first efficient four-hour function
the millionaire
the first programmable computer
Z3
who built the first programmable computer
konrad zuse
invention in electronic era
-z3
-mark i
-abc
the woman that found the first computer bug
grace hopper
who invented the monolithic integrated circuit
jack kilby
