Unit 2 Notes - Union School District
Contents
1. Introduction to Computer Discovery 2011 2012 Shelly Cashman Series Lab Scanning Documents Date As you step through the Interactive Lab answer the following questions in the spaces provided For multiple choice questions enter the appropriate letter on the blank line 1 A scanner is a n __ that converts real world information into __ information a Input device analog b Output device analog c Input device digital d Output device digital 2 List the two methods of scanning documents a b 3 OCR stands for _ a Obsolete card reader b Observable chain reaction c Optical character recognition d Opaque computer roll 4 In a bar code a wide line is equal to a n __ and a thin line is equal to a n __ 1 1 O 29009 0 5 List the three types of scanners that use image scanning a b C 6 A flatbed scanner works much like a n __ a Fax machine Laser printer b c Copy machine d Ink jet printer Unit 2 page 12 Unit 2 Introduction to Computer Discovery 2011 2012 7 When a scanned image is grayscale the voltage readings are stored in _ a Black b White c Shades of gray d Color 8 Which of the following is not considered a higher bit graphics display a 4 bit b 8 bit c 16 bit d 24 bit 9 Define the term resolution 10 Which of the following resolutions would consume the greatest amount of memory a 50 dots per inch b 150 dots per inch c 300 d2. could be engineering or agriculture Paste the pictures neatly on a regular sheet of notebook paper or copy paper label each picture according to the cluster area Each cluster areas will be on a separate piece of paper Each cluster area is worth 10 points 2 Interview a parent adult about how computers affect his her daily life Prepare a one paragraph five to seven sentences essay This is worth 40 points Sample questions are 1 ey OT Cals 8 9 Do you use a computer at work What kind of technology do you use at work What kind of tasks do you use if for How much of your day is spent this way Do you use a computer at home What kind of tasks do you use it for How much of your daily tasks involve a computer or microprocessor Examples using an ATM setting a VCR DVD recorder calling directory assistance 411 making a purchase using a credit or debit card What are some positive ways that computers affect your life What are some negative ways that computers affect your life 3 A cover sheet title page will be included This can be hand drawn or typed This is worth 10 points Items to be included on cover sheet 1 2 3 4 Student name Due date Period Title Computers in Careers Unit 2 page 6 Unit 2 Introduction to Computer Discovery 2011 2012 Name Shelly Cashman Series Lab Using the Keyboard Date As you step through the Interactive Lab answer the following questions in
3. following questions in the spaces provided For multiple choice questions enter the appropriate letter on the blank line 1 A mouse unit is a n a Input device b Output device c Secondary storage device d Integral part of the system unit 2 Rapidly pressing and releasing a mouse button twice while maintaining the pointer s location on the screen is called 3 Moving the mouse across a mouse pad or the top of the desk to move the pointer on the screen is called 4 is primarily used to move an item from one location on the screen to another 5 when the mouse pointer is positioned over an object displays a shortcut menu related to that object 6 In the space provided below draw the chief features of the mouse Include in the drawing the general shape of a mouse the location of the buttons and its cable 7 Acheck box is like a switch in that you can turn it on or off by clicking it True or False 8 Option buttons form a group of options from which you must choose two or more True or False 9 A drop down list box contains a list of options from which you can select at most one True or False 10 Use a scroll bar to set a value or move around a document that is larger than the screen True or False Unit 2 page 9 Unit 2 Introduction to Computer Discovery 2011 2012 Shelly Cashman Series Lab Setting Up to Print Date As you step through the Interactive Lab answer the following questions in the spaces p
4. the future virtual reality will be used for training in high risk professions True or False 8 List two types of technologies that make it possible to convert paper documents to electronic form easily a 9 List four technologies used in an interconnected work environment a 10 In the future people will be able to adjust their home network by using voice commands True or False Essay Did you notice that most of the future concepts are now reality What do you think the future computers will be in your life Unit 2 page 19
5. Unit 2 Introduction to Computer Discovery 2011 2012 Unit 2 Introduction to Computer Discovery 8 hours Competencies 1 Explain basic computer usage a Identify and describe the use or function of the basic components of a computer system using IPSO Cycle Input Processing Storage and Output Cycle b Identify current terminology associated with computers c Relate basic computer usage to academic skills in math science and communications 2 Perform basic computer operations related to computer usage a Demonstrate precautions and care when working with computers printers storage devices and other accessories b Discuss and or demonstrate setting up and adjusting a simple computer system 3 Explore career interests using the cluster areas as related to Computer Discovery Unit Description In this course students will learn important topics of computer concepts including defining and categorizing computers and operating systems purchasing and installing hardware and software understanding files and data storage options exploring computer architecture accessing the Internet and using the Web and understanding digital media Unit 2 page 1 Unit 2 Introduction to Computer Discovery 2011 2012 Computers Everywhere This is a homework assignment and will be taken for a grade Are you aware of the examples of computer technology that you come in contact with every day Computers come in many sizes and sha
6. entation To make sure your computer operates properly make sure you have appropriate temperature and humidity levels All power cords should be secured from traffic areas Never use a computer during an electrical storm When connecting cables to the computer make sure the cable are not plugged in the outlets before attaching them to the computer Never attempt to work on a computer or go inside the computer while it is on you could get shocked Liquids spilled in or on the computer or keyboard may cause shock or the computer not to operate properly Remove insert diskettes only when the disk drive light is off Save the document you are working on often every 10 to 20 minutes Never bang on the keys always use a light touch on the keyboard to keep the keys operating properly Equipment covers should be used to protect hardware from dust V Competency 2b See page 7 handout Unit 2 page 5 Unit 2 Vi Introduction to Computer Discovery 2011 2012 Competency 3 Objective Describe the benefits of the computer in the five cluster areas Agriculture Business Engineering Health Human Services and Arts Humanities Due Date Student Assignment 1 Find computer related pictures dealing with each of the cluster areas listed above Pictures can be found using magazines newspapers or online Pictures must relate to the career area Example a person sitting behind a computer could be used as business or a person using a GPS
7. eviations ISA PCI and AGP stand for Next to each name indicate the size of the data path and speed MHz a ISA b PCI c AGP Unit 2 page 15 Unit 2 Introduction to Computer Discovery 2011 2012 Shelly Cashman Series Lab Maintaining Your Hard Drive Date As you step through the Interactive Lab answer the following questions in the spaces provided For multiple choice questions enter the appropriate letter on the blank line 1 Aharddiskis _ a Software b A computer program c A hardware device d A type of monitor 2 Define the term access time 3 The time it takes the platter to rotate and position the first data item beneath the read write heads is called 4 Average seek time is approximately half of the disk s width True or False 5 Writing data to a hard disk works just the same as reading from it True or False 6 The time it takes to save or load data to or from the hard disk is called the disk _ Response rate Throughput Performance rating Transfer rate a0 7 Data is written to both sides of a hard disk in concentric circles called __ which are further divided into __ a Tracks sectors b Cylinders tracks c Sectors tracks d Sectors cylinders 8 Identify the two methods used to write data to a hard disk a b Unit 2 page 16 Unit 2 Introduction to Computer Discovery 2011 2012 9 A typical computer system has a hard disk with a storage capacity ranging from
8. ots per inch d 600 dots per inch Unit 2 page 13 Unit 2 Introduction to Computer Discovery 2011 2012 Shelly Cashman Series Understanding the Motherboard Lab Date As you step through the Interactive Lab answer the following questions in the spaces provided For multiple choice questions enter the appropriate letter on the blank line 1 The central processing unit CPU consists of the and 2 Indicate what each of the following acronyms stand for a ROM b RAM c SIMM d DIMM e CPU 3 Assume you are working on a word processing document that you previously saved to disk You enter another 100 keystrokes and your computer loses power Will the document on disk contain the last 100 keystrokes when you load the document from disk into RAM What happens to your work in RAM when you lose power 4 Aserial port transmits bits at a time a parallel port transmits bits at a time and a Universal Serial Bus USB port transmits bits at a time but at much faster speeds than a serial or parallel port 5 Cache is the processor uses to store information it is processing 6 The __ program is permanently stored in ROM a AUTOEXEC BAT b BIOS c CONFIG SYS d COMMAND COM 7 is volatile and is non volatile Unit 2 page 14 Unit 2 Introduction to Computer Discovery 2011 2012 8 At any given instant _ component s can use an internal bus to transport data a One b Two c Four d Eight 9 What do the abbr
9. p 20 to 50 kilobytes 100 to 1000 megabytes 500 megabytes to 2 gigabytes 1000 to 2000 characters apop 10 A complete file is always stored in contiguous sectors True or False 11 Explain the process of defragmenting a hard disk 12 An optimized hard disk __ for the most frequently used files a Reduces the transfer rate b Increases the transfer rate c Reduces the access time d Increases the access time Unit 2 page 17 Unit 2 Introduction to Computer Discovery 2011 2012 Shelly Cashman Series Lab Exploring the Computers of the Future Date As you step through the Interactive Lab answer the following questions in the spaces provided For multiple choice questions enter the appropriate letter on the blank line 1 Over time computers have become _ a Larger in size b Smaller in size c Slower d More expensive 2 A smartcard has an embedded _ a Laser printer b Mouse c Microprocessor chip d CD ROM 3 _ uses pattern matching a Voice recognition b Handwriting recognition c Bothaandb d Neither a nor b 4 __ often use special accessories such as goggles or gloves a Virtual realty systems b Agents c Cross platform applications d Smartcards 5 Fiber optic cables are made of __ a Human hair b Telephone write c Light beams d Glass 6 List three advantages of using fiber optic cables and ISDN a Unit 2 page 18 Unit 2 Introduction to Computer Discovery 2011 2012 7 In
10. pes Many computers are designed to perform very specific tasks and are limited to the functions programmed into their microchips These tiny computers are found in many electronic devices that we commonly use each day For example did you know that there is a small computer mechanism in your digital watch and another in your electronic calculator Did you know that a computer controls the traffic lights you pass on your way to the mall Predict in class today 1 How many computerized devices or effects do you think you come in contact with in one day __ List some of these Observe at home 2 Starting from the time you wake up in the morning list all of the computerized devices or effects that you come in contact with until you go to bed at night 3 Were there more or less than you predicted at home Compare in class 4 Compare your list with those of your table In what ways were your lists similar How are they different 5 How has this activity helped you become more aware of the ways computer technology affects you every day Unit 2 page 2 Unit 2 Introduction to Computer Discovery 2011 2012 Competency 1a IPSO CYCLE Write the IPSO Cycle in sentence form This is the part you will learn for test Il Competency 1b See textbook study guides and quizzes Unit 2 page 3 Unit 2 Introduc
11. rovided For multiple choice questions enter the appropriate letter on the blank line 1 List the two categories of printers a b 2 A dot matrix printer is a type of ___ printer a Laser b Impact c Nonimpact d Ink jet 3 A laser printer uses __ a Toner b Adrum c Heat d All of these 4 The parallel cable that connects the printer to the computer has ___ lines for data a 2 b 4 c 8 d 16 5 Aprinterdriveris _ a Software b An input device c An output device d Secondary storage 6 List the two methods a computer uses to send information to a printer a b 7 Name the two types of print orientation a b Unit 2 page 10 Unit 2 Introduction to Computer Discovery 2011 2012 8 An inverted image displays the original image _ a b c d Upside down At a 90 degree angle In reverse video In a different font 9 Define the term font 10 The computer uses the __ version of a font to display the text on the screen 2nogow Outline Bitmap Inverted Mirrored 11 TrueType fonts are included with the Windows operating system True or False 12 Describe the process of downloading a font to the printer 13 A dot matrix printer would most likely use __ to print a grayscale image a b C d Dithering Halftoning Both of these Neither of these NOTE Remember this lab is an older one and the dot matrix printer is no longer in use Unit 2 page 11 Unit 2
12. ry can run the computer for a short time so you can save your information The people who write the software programs are protected from others stealing their work by copyright laws This allows a person to copyright a program so that that person and that person alone gets credit and any profit from that program This is known as intelligential work and is a hot discussion in many circles A different type of safety feature a computer has is default It is not exactly a safety feature to protect information or equipment but it allows the computer to make an assumption when the user gives no specific information This allows the user to make mistakes without worrying about messing things up The instructions that come with the computer software and hardware that tells how they work is the documentation Also included will be the license information registration user s manual and any warranty information It is very important to keep these documents in a safe and handy location in the event that you are required to give passwords found in the information or other information located in them Documentation can also be in the form of a DVD or CD This protects the manufacture and the user If the user has purchased a warranty and has the documentation to prove it the manufacture must honor it If the user has somehow illegally obtained the product the manufacture will not be obligated to honor warranty or service plans without the docum
13. the spaces provided 1 List the five categories of keys on the keyboard a b 2 Toggle keys are pressed to turn a keyboard function on or off If you press one of these keys the associated function is activated Press the same key again and the associated function is deactivated Name two keys on the keyboard that act as switches a b 3 List the navigation keys a b Unit 2 page 7 Unit 2 Introduction to Computer Discovery 4 Explain two ways to type the capital letter C a 2011 2012 5 List the keys that have more than one location on the keyboard Do not include the function keys navigation keys or numeric keypad keys 6 If you pressed the CTRL and TAB keys simultaneously to carry out a function which key do you release first 7 Match the character on the top of the key with the character on the bottom of the same key Using the letters at the far left enter your responses on the blank lines Write the letter of the answer in the blank sa eo A290 5 Question mark 7 Dollar sign Asterisk Colon Less than sign lt Percent sign At sign Tilde Caret Ampersand amp Plus sign Underscore _ Number sign Exclamation point oOo N O ORA O N gt Unit 2 page 8 Unit 2 Introduction to Computer Discovery 2011 2012 Name Shelly Cashman Series Lab Using the Mouse Date As you step through the Interactive Lab answer the
14. tion to Computer Discovery 2011 2012 Ill Competency 1c Objective Write an essay about using computers in education You will receive 10 extra points if you type the information Due date Student assignment 1 Define education using our thoughts and ideas about what education is not a definition from a dictionary 1 paragraph 2 Identify the duties of one individual from each of the categories try to name one way each uses technology one paragraph per category 3 total Administration Teachers Support Staff superintendent elementary librarian principals assistants counselor secretaries middle school maintenance workers high school 3 Identify how you have used computers or technology in your education career 4 When you are finished you should have at least five paragraphs A cover sheet title page needs to be included This can be typed or hand drawn a Student name b Due date c Period d Title Computers In Education 5 This is a homework assignment Unit 2 page 4 Unit 2 Introduction to Computer Discovery 2011 2012 IV Competency 2a SAFETY PRECAUTIONS There are a few safety precautions that computers use as well as the people who use them and program them A surge protector guards the computer against surges or fluctuations of power An Uninterruptible Power Supply UPS protects a computer from a loss of power A UPS contains a battery that stores electrical power If the power fails the batte
Download Pdf Manuals
Related Search