Computer Basics – Flashcards
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Computers
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is an electronic device that you can use to store and process information Government Affairs, Healthcare, Education, Finance, and Entertainment
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Input device
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provide information to a computer Mouse, keyboard, microphone, and Web Cam
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output device
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Get feedback from a computer after it performs a task Monitor, speaker, printer
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RAM
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Main memory of the computer, temporarily store data
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ROM
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Permanent memory that retains content after the computer is turned off
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flash memory
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Stores information without a power source
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motherboard
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main circuit board that connects input, output and devices together
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expanison card
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improves the motherboard's features
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storage device
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used to store computer information -hard disk, CD-ROM, USB flash drive
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ports and connections
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channel through which data is transferred between an external device and the processor
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Tina creates a business proposal on her home computer. She wants to use a storage device to save the proposal and take it to her office. Which of the following devices will Tina use to store the files? A. Microphone B. Speakers C. CD-R D. Modem
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c
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create a document on your computer
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Log on to the computer. Turn on the computer. Start the program. Create the document. Save the changes.
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Apurva needs to connect a printer to his computer. He asks you about the parts of a computer that he can use to connect the printer. What will you tell Apurva? Select two. A. Graphics card B. Modem C. Sound card D. Parallel port E. Universal serial bus (USB) port
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e and d
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Your friend wants to view your live image while you chat with her online. Which of the following devices installed on your computer will help her do this? A. Web cam B. Printer C. Scanner D. Microphone
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a
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Alexander needs to prepare the transcript for an audio file saved on his office computer. He wants to listen to the audio without disturbing his colleagues sitting nearby. Which of the following hardware devices will Alexander use? A. Headphone B. Speaker C. MicrophoneD. Web cam
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a
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Niraj wants to use his office computer. To log on to the computer, he needs to enter his logon details. Which of the following options does Niraj need in order to log on to the computer? Select two. A. User name B. Home address C. Office name D. Password E. Office address
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a and d
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Markus uses his computer to calculate the money he spent on transportation costs in the last two months. Which part of his computer will perform the calculations? A. Monitor B. Central processing unit (CPU) C. DVD D. Hard disk
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b
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hardware
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the physical components such as keyboard, monitor, hard disk, CPU and motherboard
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operating system
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the most important software; manages and controls the hardware connected to your computer
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program
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sequence of instructions written to direct the computer to perform a specific task
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network
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group of computers linked together to share information
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CPU speed
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rate at which the CPU can perform a task -moving data to RAM performing calcuations
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hard disk factors
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differs in storage capacities as well as their speed of data storage RAM capacity. data processing. larger the RAM faster the performane
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Elisabeth reads an article on common computer terminology. She does not understand the meaning of operating system. She comes to you for help. How will you explain operating system to Elisabeth? A. An electronic device connected to your computer B. A storage device in your computer C. A program that controls and manages the computer D. A circuit board that connects the input, output, and processing devices
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c
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You use a word processor to create and save a text-based document on your computer. What does the text in your document represent? A. Data B. Hardware C. Operating system D. Application
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a
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Marko uses an instant messenger to chat with his friends over the Internet. How will you categorize an instant messenger? A. Hardware B. Software C. Operating system D. Data
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d
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Kaspars listens to his friends talking about the Internet. He is curious about the Internet. How will you define the Internet to him? A. A software program installed on a computer B. An electronic device for printing documents C. A worldwide collection of computer networks D. A power backup source
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c
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os
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controls how programs with each other and how they interact with the computer hardware Creates the file system that determines how data is stored with in a storage device
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os functions
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Provides a user interface Icons and menus Provides utilities to configure system GUI provides easy to use utilities for connection Help manage computer resources Helps secure data: specify authentication and authorization rights to control access to your computer
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Dan learns that he can control the access rights to his computer and specify a user name and password. He wants to know what process the operating system performs to confirm his log on information. What will you tell Dan? A. Computation B. Initialization C. Authentication D. Authorization
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c
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Tom notices that when he runs several programs simultaneously on his computer, the performance of the programs slows down considerably. What is the reason for this? A. Nonfunctional keyboard B. Nonfunctional mouse C. Insufficient random access memory (RAM) D. Low monitor speed
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c
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John works as a sales representative with Northwind Traders. He has to make a presentation to his customers in another town. The presentation occupies 10 gigabytes (GB) on his computer. He wants to make some final changes to this presentation while he is traveling. Which of the following types of computer will help John carry this data with him? A. Mainframe B. Personal digital assistant (PDA) C. Laptop D. Desktop computer
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c
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David wants to create business cards and brochures for his new company. Which of the following programs will David use? A. Instant messenger B. Antivirus C. Desktop publishing (DTP) D. Movie maker
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c
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Your friend Jan travels to various parts of the world. Which of the following options will you use to have a real-time conversation with him? A. Instant messenger B. Spreadsheet program C. E-mail D. Presentation program
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c
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You tell Carol about the various types of operating systems. She now wants to know about the functions of an operating system. Which of the following options will you use to describe the functions of an operating system to Carol? Select four. A. Scans images B. Takes pictures C. Manages file system D. Runs programs E. Detects viruses F. Manages data storage G. Allocates memory usage
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c,d,e,f
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information worker
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uses the computer to create and maintain records Data entry, operator, warehouse manager, graphic designer
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network administrator/it professional
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Responsible for managing networks, installing new devices on the network
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database adminstrators
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work with database to maintain and organize large volume of data
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software developer
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Creates software developer creates software for commercial purposes Managing inventory for a small business or editing a media file
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Arno's uncle owns a small business with 20 office employees. The computers in his office are connected on a network. Arno often helps his uncle to install new computers on the network, add and remove individuals from the list of authorized users, and archive files on a computer. He likes to perform these activities and wants to make them the focus of his profession. Which of the following job opportunities can Arno consider? A. Graphics designer B. Software developer C. Network administrator D. Database administrator
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c
