問題一覧
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A small ,Single users computers based on a microprocessor. Has keyboard for entering data,monitor and storage device.
PERSONAL COMPUTER
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A powerful,single -user computer. Like PC but more powerful microprocessor.
WORKSTATION
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A multi-user computer capable of supporting 10 to hundrends of users.
MINICOMPUTER
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A powerful multi-user computer capable of supporting many hundreds or thousands of users.
MAINFRAME
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An extremely fast computers that can perform hundred of millions of instructions per second
SUPERCOMPUTER
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Is a battery or AC-powered personal computers that easily carried and use. Ideal as a second computer.
LAPTOP
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Type of laptop that designed to be more portable. Cheaper than laptop and Desktops.
NETBOOK
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Is basically any handheld computer designed to be extremely portable ,often.
MOBILE DEVICE
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Powerful mobile phone,designed to run a variety
SMARTPHONES
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Fact or figures which relay something specific.Means "unstructured facts and figures"
DATA
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for data to become information must be contextualized ,categorized calculate and considered.
INFORMATION
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Paint a bigger picture
INFORMATION
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Like laptops,it designed to be portable .Provide a very different computing experience.
TABLET COMPUTERS
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Closely linked to doing and implies know - how and understanding.
KNOWLEDGE
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Data are processed to be useful:provide answers to WHO,WHAT,WHERE,WHEN.
INFORMATION
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Applications of data and information:answer HOW questions.
KNOWLEDGE
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evaluated understanding
WISDOM
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The computer can process data very fast at rate of millions instruction per second.
SPEED
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Computer provides a high degree of accuracy
ACCURACY
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Used for a longer period of time,computer does not get tired or fatigued. Perform long and complex calculations with same speed
DILIGENCE
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Large volumes of data and information can stored in computer and retrieved whenever required
STORAGE CAPABILITY
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Computer is Versitiles in nature. Can performed different types of tasks with the same ease.
VERSATILITY
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Small piece of software that piggy banks on real programs.
VIRUSES
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Travel as an attachment to email messages and usually replicates automatically.
E-MAIL VIRUSES
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Is a simply a computer program. Program claim to do one thing (claim to be a game ) No way to replicate automatically
TROJAN HORSES
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Small pieces of software that uses computer networks and security hole to replicate itself.
WORMS
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Ctrl+A
HIGHLIGHT
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Ctrl+B
BOLD
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Ctrl+ C
COPY
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Ctrl+E
CENTER ALIGNMENT
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Ctrl+I
ITALIC/ITALIZED
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Ctrl+J
JUSTIFY
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Ctrl+L
LEFT ALIGNMENT
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Ctrl+R
RIGHT ALIGNMENT
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Ctrl+S
SAVE
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Ctrl+U
UNDERLINE
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Ctrl+V
PASTE
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Ctrl+X
CUT
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Ctrl+Y
REDO
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Ctrl+Z
UNDO
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Ctrl+N
NEW DOCUMENT
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Ctrl+F
FINDS
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Ctrl+D
DELETE
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F4
ADD VOLUME
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F8
BRIGHTNESS
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F7
BRIGHTNESS DECREASED
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Is an electronic device,operating under the control of instructions stored in its own memory.
COMPUTER
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Computers and internet has been around for a long time and evolution throughout history.
INFORMATION TECHNOLOGY
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What are the Different Stages of IT Development ?
1.PRE MECHANICAL AGE (3000BC-1450) 2.MECHANICAL AGE (1450-1840) 3.ELECTROMECHANICAL AGE (1840-1940) 4.ELECTRONIC AGE (1940-PRESENT DAYS)
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In this stage human being primarily communicate using simple picture/drawings. called " petroglyphs ".
PRE MECHANICAL AGE
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Many extraordinary invention took place ,where can see similarities between modern day technologies and the rising technologies.
MECHANICAL AGE
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analog computer that allowed to multiply and divide.
THE SLIDE RULE
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Mechanical computer that allowed to add,substract,multiply and divide two numbers.
THE PASCALINE
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Machine an improvement of Pascaline,included additional components to multiply and divide.
THE LEIBNIZ'S MACHINE
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Machine creation that calculate numbers and print the results.
THE DIFFERENCE ENGINE
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It is the beggining of telecommunication emerged.Many revolutionary technologies were invented that led to mofern information technology systems.
ELECTROMECHANICAL AGE
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It was invented to communicate others over great distance trough use of electricity.
TELEGRAPH
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In this stage the information technology were currently live in.
ELECTRONIC AGE
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Vacuum tubes use instead of electromechanical parts.
ELECTRONIC AGE
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It is the first high speed digital computer.
ENIAC
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It is the first stored -program computer.
EDSAC
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word's 1st commercial computer
LEO
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ENIAC stands for???
ELECTRONIC NUMERICAL INTEGRATOR AND COMPUTER
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EDSAC stands for??
ELECTRONIC DELAY STORAGE AUTOMATIC CALCULATOR
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LEO stands for ??
LYON'S ELECTRONIC OFFICE
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In this generation there was an increased in speed and the efficiency of computers.
THIRD GENERATION (1964-1971)
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Vacuum tubes where replaced with transistors. There was a improvement allowing computers to become smaller,faster,cheaper.
SECOND GENERATION (1956-1963)
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Computer System used Vacuum tubes. Machine were huge and took up entire rooms. Relied on machine Language.
FIRST GENERATION (1940-1956)
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Computers upscaled to integrated circuits that contained numerous amount of transistors on one,small chip.
FOURTH GENERATION (1971-PRESENT)
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Focuses on the Artificial Intelligencce and the creations of intelligent machines that functions and behave like humans
FIFTH GENERATION (PRESENT TO FUTURE)
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The term used because the data is accessed.
DISK
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It is the brain of the Computer and most important element of computer system.
CENTRAL PROCESSING UNIT
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store the data that is executed next"very past storage area.
REGISTERS
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control and coordinates computer components
CONTROL UNIT
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executes all arithmetic and logical operations.
ARITHMETIC LOGIC UNIT
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It is a memory scheme within the computer system responsible for storing data on temporary basis.
RANDOM ACCESS MEMORY
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It is the permanent form of storage.Stay active regardless of power supply is turn on /turn off.
ROM(READ ONLY MEMORY)
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A hard disk part of a unit. Store and provide relatively quick access to large amount of data.
HARD DRIVE
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Is disk drive that uses laser light as part of process of reading or writing data.
OPTICAL DISK
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The simple drawings or picture to use to communicate is ???
PETROGLYPS
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Any kind of computers consists of HARDWARE AND SOFTWARE?
COMPUTER COMPONENTS
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Is any Peripheral (piece of computer)hardware equipment to provide data and control signals to an information.
INPUT DEVICE
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Give me at least 5 examples of Manual Input Devices.
KEYBOARD,SCANNER,REMOTE CONTROL,MICROPHONE,DIGITAL CAMERA
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Store up to 700 megabytes (MB)
CD
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Can store up to 8.4 GB of data
DVD
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Newest type of optical media,can store upto 50 GB of data
BLU-RAY DISC
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a storage module made of flash memory chips
FLASH DISK
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Is any pieces of computer hardware equipment used to communicate the results.
OUTPUT DEVICE
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Is a generic term for organized collections of computer Data and instructions
SOFTWARE
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2 major categories of Software
SYSTEM SOFTWARE,APPLICATION SOFTWARE
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Provide the basic nonstask specific functions of compute.
SYSTEM SOFTWARE
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Use by user to accomplish specific tasks
APPLICATION SOFTWARE
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Responsible for controlling integrating and managing the individual hardware component.
SYSTEM SOFTWARE
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Arrival of first writing system known as ??
CUNIFORM
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Was created to express single syllables,consonant and vowel.
PHOENICIAN ALPHABET
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The most common used Keyboard is ???
QWERTY
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Refers to physical components of computer. Or it is the collection of physical elements that constitutes a computer system.
COMPUTER HARDWARE
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The first electrical battery that created and stored electricity
VOLTAIC BATTERY