COMPUTER

72問 • 1年前

問題一覧

A programmed device with a group of instructions to perform tasks and results at a really high speed. It can solve problems, perform calculations, process, store, and retrieve data.

computer

C.O.M.P.U.T.E.R Abbreviation

Commonly Operated Machine Particulary Used for Training, Education, and Research

Earlier versions were meant to be used for _

calculations

The first digital electronic calculating machines were developed during _

World War 2

A nominally complete computer that includes the hardware, operating system, and peripheral equipment needed and used for full operations.

computer system

Evolution of computer with year (from the start to last)

Abacus (3000 BC) Napier Bones (1617) Pascaline (1642) Leibniz Wheel (1685) Jacquard Loom (1804) Analytical Engine (1833) Census Machine (1889) Mark I (1944)

Evolution of computer: year 3000 BC

Abacus

Evolution of computer: year 1617

napier bones

Evolution of computer: year 1642

pascaline

Evolution of computer: year 1685

leibniz wheel

Evolution of computer: year 1804

jacquard loom

Evolution of computer: year 1833

analytical engine

Evolution of computer: year 1889

census machine

Evolution of computer: year 1944

mark I

are input (keyboard, mouse, joystick, etc.) and output devices (monitor, printer, etc.)

peripheral devices

Give at least 3 input devices

keyboard, mouse, scanner, joystick, optical pen

Give at least 3 output devices

speaker, screen, headphone, printer, projector

A modern computer consists of at least 1 processing unit

CPU

Characteristics of computer (SAMVA)

speed, accuracy, memory, versatility, automation

performs multiple tasks and calculations faster than humans. GigaHertz (GHz) and MegaHertz (MHz) are terms used for measuring.

speed

performs tasks more quickly and accurately than any human. errors occur when entering wrong data by humans

accuracy

can store billions of data that are easily accessible with high accuracy. We measure computer storage in terms of bytes, KiloBytes (KB), MegaBytes (MB), GigaBytes (GB).

memory

the ability to perform repetitive task remotely. We rapidly move towards AI.

automation

the ability to perform more than one task at the same time.

versatility

Advantages of comp

multitasking, speed, cost/store huge, accuracy, data security, task computer, communication, productivity, reduces workload, reliability, storage

Disadvantages of comp

virus, online cybercrime, reduction in employee opportunity, high cost, distractions, increase waste/impacts the environment, health problems

The use of computers to create, store, process, retrieve and exchange all kinds of information and data. The management of computers and information systems. It forms the part of ICT

Information Technology

an information system, communication system, or a computer system operated by a limited group of IT users

Information Technology system

are responsible for troubleshooting the system. They specialize in software developments, network engineering, and cyber security.

IT professionals

The term “Information technology" first appeared in what time?

1985

The term “Information technology" was published by what review?

harvard business review

The term “Information technology" was written by them

Harold J. Leavitt and Thomas L. Whisler.

They defined it as the application of statistical and mathematical methods to decision making, techniques for processing, and the simulation of higher order thinking through computer programs.

Information Technology

Advantages of IT

Access to information, Cost Savings, Increased Productivity, Improved Communication

Disadvantages of IT

Security Risk Dependence on Technology Job Losses Cost Security issues Over-reliance Privacy concerns Skills gap

Applications to Information Technology

Healthcare Finance Education Transportation Communication

Information and communication technology (ICT) is used in industries like broadcasting media, telecommunications, audiovisual systems, and network-based systems to increase productivity, save time, provide instant access to information, and reduce the workforce.

communication

IT is used in this industry to improve operations with informed decision-making and real-time vehicle tracking, enhance customer service, provide safety and security to public transport, and manage traffic with automated tolls, smart ticketing services, and self-driving cars.

transportation

it increases student engagement, helps maintain records, offers systematic learning techniques, improves knowledge retention, provides instant access to educational information, and accommodates students with special needs or disabilities.

education

Information technology is essential for creating fast and efficient financial services, such as online/digital banking, mobile payment, data storage, financial reporting, cybersecurity, and risk management.

finance

Information Technology in this industry is essential for exchanging patient-related data electronically, reducing medical errors, improving medication management, lowering healthcare costs, nursing informatics, protecting patient privacy, and disaster recovery.

healthcare

technology that enables computers and machines to simulate human learning, comprehension, problem solving, decision making, creativity and autonomy.

artificial intelligence

a technology that can create original text, images, video and other content. Uses machine learning and deep learning.

generative ai

refers to any device or product that is created or modified by manipulating matter at the nanoscale. Can be used for electronic devices, medical treatments, energy productions, and environmental remediation.

nanotechnology

Benefits of AI

Automation of repetitive tasks More faster insight from data Enhanced decision making Fewer human errors 24/7 availability Reduced physical risks

a physicist, one of the pioneers of nanotechnology. He gave a famous lecture called “There’s Plenty of Room at the Bottom” in 1959. He envisioned the possibility of manipulating atoms and molecules to build anything.

richard feynman

Examples of nanotechnology

Electronics Cosmetics Sporting goods Clothing Sunscreen Furniture Adhesives Automotives

Benefits of nanotechnology

Increased energy efficiency Enhanced medical treatments Improved water filtration and purification Improved food safety and agriculture

the global system of interconnected computer networks.

internet

The first workable prototype of the internet was made in the late 1960’s with the creation of..?

ARPANET

ARPANET means

Advanced Research Projects Agency Network

It was served as the backbone for interconnection of regional academic and military networks in the 1970’s. It was first invented for military purposes

ARPANET

When did ARPANET adopted TCP/IP

January 1, 1983

They are the 2 computer scientists that are credited with inventing the Internet communication protocols we use today and the system referred to as the Internet.

Vinton Cerf and Bob Kahn

Cerf and Kahn developed a set of guidelines for data transfer using packet switching in what year

1980

It is in charge of packing the data before it moves across the network and unpacking it once it has arrived.

TCP

It acts as the trip coordinator and maps the movement of information from its start point to its end point.

Date when the World Wide Web went live to the world.

August 6, 1991

Who invented world wide we

Tim Berners-Lee

is collection of information which is accessed via the Internet.

web or www

is a form of URI (Universal Resource Identifier) and a standardized naming convention for addressing documents accessible over the Internet and Intranet. It is also known as a web address.

URL (Uniform Resource Locator)

It is the specified form of URL

URI (Universal Resource Identifier)

URL is also known as

web address

is the most common scheme. It tells your web browser to encrypt any information you enter onto the page, like your passwords or credit card information, so cybercriminals can’t access it.

HTTPS (Hypertext Transfer Protocol Secure)

HTTPS stands for

Hypertext Transfer Protocol Secure

small data files that digitally bind a cryptographic key to an organization's details. When installed on a web server, it activates the padlock and the https protocol and allows secure connections from a web server to a browser.

SSL certificates

a web-based tool that enables users to locate information on the World Wide Web.

search engine

helps people understand which particular section of a webpage they’re on.

subdirectory

specifies what type of entity your organization registers as on the internet.

top level domain

tells web servers which protocol to use when it accesses a page on your website.

scheme

a URL indicates which particular page of your website the web browser should serve up.

subdomain

the name of your website.

second level domain

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問題一覧

A programmed device with a group of instructions to perform tasks and results at a really high speed. It can solve problems, perform calculations, process, store, and retrieve data.

computer

C.O.M.P.U.T.E.R Abbreviation

Commonly Operated Machine Particulary Used for Training, Education, and Research

Earlier versions were meant to be used for _

calculations

The first digital electronic calculating machines were developed during _

World War 2

A nominally complete computer that includes the hardware, operating system, and peripheral equipment needed and used for full operations.

computer system

Evolution of computer with year (from the start to last)

Abacus (3000 BC) Napier Bones (1617) Pascaline (1642) Leibniz Wheel (1685) Jacquard Loom (1804) Analytical Engine (1833) Census Machine (1889) Mark I (1944)

Evolution of computer: year 3000 BC

Abacus

Evolution of computer: year 1617

napier bones

Evolution of computer: year 1642

pascaline

Evolution of computer: year 1685

leibniz wheel

Evolution of computer: year 1804

jacquard loom

Evolution of computer: year 1833

analytical engine

Evolution of computer: year 1889

census machine

Evolution of computer: year 1944

mark I

are input (keyboard, mouse, joystick, etc.) and output devices (monitor, printer, etc.)

peripheral devices

Give at least 3 input devices

keyboard, mouse, scanner, joystick, optical pen

Give at least 3 output devices

speaker, screen, headphone, printer, projector

A modern computer consists of at least 1 processing unit

CPU

Characteristics of computer (SAMVA)

speed, accuracy, memory, versatility, automation

performs multiple tasks and calculations faster than humans. GigaHertz (GHz) and MegaHertz (MHz) are terms used for measuring.

speed

performs tasks more quickly and accurately than any human. errors occur when entering wrong data by humans

accuracy

can store billions of data that are easily accessible with high accuracy. We measure computer storage in terms of bytes, KiloBytes (KB), MegaBytes (MB), GigaBytes (GB).

memory

the ability to perform repetitive task remotely. We rapidly move towards AI.

automation

the ability to perform more than one task at the same time.

versatility

Advantages of comp

multitasking, speed, cost/store huge, accuracy, data security, task computer, communication, productivity, reduces workload, reliability, storage

Disadvantages of comp

virus, online cybercrime, reduction in employee opportunity, high cost, distractions, increase waste/impacts the environment, health problems

The use of computers to create, store, process, retrieve and exchange all kinds of information and data. The management of computers and information systems. It forms the part of ICT

Information Technology

an information system, communication system, or a computer system operated by a limited group of IT users

Information Technology system

are responsible for troubleshooting the system. They specialize in software developments, network engineering, and cyber security.

IT professionals

The term “Information technology" first appeared in what time?

1985

The term “Information technology" was published by what review?

harvard business review

The term “Information technology" was written by them

Harold J. Leavitt and Thomas L. Whisler.

They defined it as the application of statistical and mathematical methods to decision making, techniques for processing, and the simulation of higher order thinking through computer programs.

Information Technology

Advantages of IT

Access to information, Cost Savings, Increased Productivity, Improved Communication

Disadvantages of IT

Security Risk Dependence on Technology Job Losses Cost Security issues Over-reliance Privacy concerns Skills gap

Applications to Information Technology

Healthcare Finance Education Transportation Communication

communication

transportation

education

finance

healthcare

technology that enables computers and machines to simulate human learning, comprehension, problem solving, decision making, creativity and autonomy.

artificial intelligence

a technology that can create original text, images, video and other content. Uses machine learning and deep learning.

generative ai

nanotechnology

Benefits of AI

Automation of repetitive tasks More faster insight from data Enhanced decision making Fewer human errors 24/7 availability Reduced physical risks

richard feynman

Examples of nanotechnology

Electronics Cosmetics Sporting goods Clothing Sunscreen Furniture Adhesives Automotives

Benefits of nanotechnology

Increased energy efficiency Enhanced medical treatments Improved water filtration and purification Improved food safety and agriculture

the global system of interconnected computer networks.

internet

The first workable prototype of the internet was made in the late 1960’s with the creation of..?

ARPANET

ARPANET means

Advanced Research Projects Agency Network

It was served as the backbone for interconnection of regional academic and military networks in the 1970’s. It was first invented for military purposes

ARPANET

When did ARPANET adopted TCP/IP

January 1, 1983

They are the 2 computer scientists that are credited with inventing the Internet communication protocols we use today and the system referred to as the Internet.

Vinton Cerf and Bob Kahn

Cerf and Kahn developed a set of guidelines for data transfer using packet switching in what year

1980

It is in charge of packing the data before it moves across the network and unpacking it once it has arrived.

TCP

It acts as the trip coordinator and maps the movement of information from its start point to its end point.

Date when the World Wide Web went live to the world.

August 6, 1991

Who invented world wide we

Tim Berners-Lee

is collection of information which is accessed via the Internet.

web or www

is a form of URI (Universal Resource Identifier) and a standardized naming convention for addressing documents accessible over the Internet and Intranet. It is also known as a web address.

URL (Uniform Resource Locator)

It is the specified form of URL

URI (Universal Resource Identifier)

URL is also known as

web address

is the most common scheme. It tells your web browser to encrypt any information you enter onto the page, like your passwords or credit card information, so cybercriminals can’t access it.

HTTPS (Hypertext Transfer Protocol Secure)

HTTPS stands for

Hypertext Transfer Protocol Secure

SSL certificates

a web-based tool that enables users to locate information on the World Wide Web.

search engine

helps people understand which particular section of a webpage they’re on.

subdirectory

specifies what type of entity your organization registers as on the internet.

top level domain

tells web servers which protocol to use when it accesses a page on your website.

scheme

a URL indicates which particular page of your website the web browser should serve up.

subdomain

the name of your website.

second level domain