Chapter 1 force as hard disks 1 All of the following are advantages of a computer Except impact on labor 2 A computer keeps data instructions and information on storage media such 3 The Internet is a worldwide collection of networks that connects millions of businesses government agencies educational institutions and individuals 4 The system unit is a case that contains electronic components of the computer that are used to process data 5 Examples of mobile technology include all of the following except Servers 6 A n Input device is any hardware component that allows you to enter data 7 A n Laptop or mobile computer is a personal computer that users can and instructions into a computer carry from place to place 8 People around the world use the computer to communicate meet people shop for goods and services access sources of information for leisure or All of the above 9 The term PC compatible refers to any personal computer based on the original IBM personal computer design 10 Some people refer to the series of input process output and storage activities of a computer as the information processing cycle 11 A n communication device is hardware component that enables a computer to send and receive data 12 A n computer is an electronic device operating under the control of instructions stored in its own memory that can accept data process the data according to specified rules produce results and store the results for future use Chapter 2 1 Internet enabled mobile devices such as smart phones use a special type of browser called a n micro browser which is designed for their small screens and limited computed power 2 Spam is an unsolicited email message or newsgroup article sent to too many 3 A n email program is used to create send receive forward store print and recipients or newsgroups at once delete email messages 4 Set standards and guidelines for many areas of the internet W3C 5 Dial up access takes place when the modem in a computer uses a standard telephone line to connect to the Internet 6 The Internet is a worldwide collection of networks that links millions of businesses government agencies educational institutions and individuals 7 FTP is an Internet standard that permits file uploading and downloading with other computers on the Internet 8 Streaming is the process of transferring data in a continuous and even flow which allows users to access and use a file while it is transmitting 9 The components of a domain name are separated by periods 10 A cable modem allows access to high speed Internet service through the cable television network 11 Each electronic document on the web is called a web page which can contain text graphics audio sound and video 12 Fixed wireless Internet connections use an antenna are high speed use radio signals all of the above Chapter 3 1 Application software consists of programs designed to make users more productive and or assist them with personal tasks 2 Most spread sheet software like that shown in the accompanying figure includes what if analysis tools where users can change the certain values in a spread sheet to reveal the effects of those changes 3 Distance learning is the delivery of education at one location while the learning takes place at other locations 4 a n database is a collection of data organized in a manner that allows access retrieval and use of that data 5 Presentation software allows users to create visual aids for presentations to communicate ideas messages and other information to a group 6 a n cell is the intersection of a column and row in a worksheet 7 Spreadsheet software allows users to organize data in rows and columns and perform calculations on the data 8 Which of the following is an example of a computer aided software Autodesk autoCAD package 9 A software suite is a collection of individual programs sold as a single 10 Multimedia authoring software allows users to combine text graphics audio video and animation into an interactive application 11 A n query is a request for specific data from a database 12 A n dialog box is a window that provides information presents available options or request or response Chapter 4 1 In the machine cycle steps executing is the process of carrying out commands 2 ROM chips called firmware contain permanently written data instructions or information that is recorded when the chip is manufacturing 3 A processor contains small high speed storage locations called registers that temporarily hold data and instructions 4 Preventive maintence of your computer requires a few basic products including screen cleaning solutions lint free antistatic wipes and swabs antistatic wristbands all of the above 5 A n express card module is a removable flash memory device about one half the size of a pc card that adds memory communications and multimedia capabilities to computers 6 The system or motherboard board is the main circuit board of the system unit given time 7 Word size is the number of bits the processor can interpret and execute at a 8 The wider the bus the fewer and faster number of data transfers 9 One gigahertz GHz equals one billion ticks of the system clock per second 10 A n multi core processor is a chip with 2 or more separate core processors 11 A USB hub is a device that plugs in a USB port on the system unit and contains multiple USB ports in which users plug cables from USB devices 12 Bluetooth technology is an alternative to IrDA that uses radio waves to transmit data between two devices Chapter 5 1 a n flatbed scanner works in a manner similar to a copy machine except it creates a file of the document in memory instead of a paper copy Input is any data and instructions entered into the memory of a computer 2 3 OMR is a technology that reads hand drawn marks such as a small circle or rectangle 4 The cursor is a symbol on the screen usually a blinking vertical bar that indicates where the next character typed will display 5 The goal of ergonomics is to incorporate comfort efficiency and safety in the design of the items in the workplace 6 A retinal scanner works similarly to an iris recognition system but instead scans patterns of blood vessels in the back of the retina 7 A n biometric identifier is a physiological or behavioral characteristic such as fingerprints hand geometry facial features voice signatures and eye patterns 8 MICR is used almost exclusively by the banking industry for check processing Internet 9 During a n video telephone call both parties can see each other
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