Ch 1 Review MatchingInstructions:Match each term from the column on the left with the best description from the column on the right.E.1. softwareB.2. input devicesD.3. output devicesC.4. storage deviceA.5. informationa.datathat is organized, has meaning, and is useful, such as a report, newsletters, a receipt, a picture, an invoice, or a checkb.allows a user to enter dataand commands into the memory of a computerc.examples include CD-ROM drives, floppy disk drives, and hard disk drivesd.conveys information generated by a computer to a user; examples include printers, monitors, and speakerse.a series of instructionsthat tells the hardware how to perform tasksShort Answer Instructions:Write a brief answer to each of the following questions. 1. What is the difference between computer literacy, information literacy, and integration literacy?a.Computer literacy: Knowledge and understanding of computers and their useb.Information literacy: Knowing how to find, analyze, and use informationc.Integration literacy: The ability to use computers and other technologies combined with a variety of teaching and learning strategies. 2. What are the components of a Macintoshcomputer or PC? How does each component contribute to information processing?a.Input devices: keyboard, mouse. Output devices: speakers, monitor. System unit: motherboard, central process unit. Storage devices: CD, DVD, hard drive. Communication devices: modem, network interface card.b.Variety of hardware components that work together with software to carry, perform calculations, organize data, and communicate with other computers. 3. What capabilities make a computer a powerful tool? Describe each. How does a computer’s ability to communicateenhance a computer’s power?a.Speed: in 0.01 sec. 100GHz. 1GHz, millions of data.b.Reliability: very reliable because computer programs are made by thousands of thousands of top brains of Human being.
c.Accuracy: extremely accurate in computation, hundreds of bits of data processing.d.Storage/memory: trillions of billions of characters can be remembered forever.e.Communication: network, e-mail. Capacity:100 character/sec. (human). 100mb/sec.=100/8 million characters/sec.>10 million characters/sec. (computer) Speed: 300 meter/sec. (human). 300,000km/sec. (computer) 4.What is computer software? How is system softwaredifferent from application software? a.Computer software: computer programs. A series of instructionsthat tells the hardware of a computer what to do and how to doit. b.System software consists of programs that control the operations of the computer and other electronic devices (Operating system, Utility programs) while application software is programs designed to perform a specific task (Wordprocessing, Spreadsheet).
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- Fall '17
- Dr. Zou
- World Wide Web, Computer program