Archives
Chapter 1 Information Can Conveyed Using Text
Chapter 1: Introduction to Information Technology Key 1. YouTube did not exist in 2000. 2. eBay was founded in 1980. FALSE 3. Google had not yet been founded in 1995. TRUE 4. Instant messaging conversations count as information, as do […]
Chapter 10 One Type Antenna Called Horn Antenna
Chapter 10: Wireless Communications Key 1. The VLF and MF bands are both frequency bands within the radio spectrum. 2. The EHF band is comprised of lower frequency radio waves compared to the VLF band. FALSE 3. AM and FM […]
Chapter 11 The Most Popular Type Lan Called
Chapter 11: Local Area Networks Key 1. Most types of LANs can accommodate up to 100 users. 2. LANs are always privately owned. FALSE 3. Another word for topology is configuration. TRUE 4. A LANs physical topology is the same […]
Chapter 12 Systems Network Architecture Sna And Digital
Chapter 12: Wide Area Networks Key 1. Industry convention describes a WAN as a network that spans a large geographical distance. 2. The largest example of a WAN is the public Internet, but many other types of WANs exist. TRUE […]
Chapter 13 Which The Following Allows Diverse Computing
Chapter 13: Communication Protocols Key 1. The purpose of communication protocols, which are also called computer networking protocols or standards, is to ensure interoperability. 2. Proprietary protocols are considered open and interoperable with other protocols. FALSE 3. The OSI reference […]
Chapter 14 Deployment Occurring More Rapidly United
Chapter 14: Internet Architecture Key 1. In 1987, the former Soviet Union launched the world’s first satellite, Sputnik. 2. In the late 1960s, ARPA was responsible for developing ARPANET, a computer network and research and development project that became the […]
Chapter 15 Determining And Monitoring Who Can Access
Chapter 15: Network Security Key 1. Network security is one of the most critical technical areas within IT. 2. Network security breaches rarely happen. FALSE 3. All Internet security breaches are reported. FALSE 4. The annual costs of preventing attacks […]
Chapter 16 Synchronous Optical Network Sonet Serves The
Chapter 16: The Telephone System Key 1. Prior to the introduction of the telephone in 1876, the primary methods of communicating over long distances were the postal service and telegraph. 2. Early telephones had the same primary components of today’s […]
Chapter 17 One Important Technical Difference Between Internet
Chapter 17: Voice Over IP Key 1. Internet telephony is also called IP telephony. 2. VoIP is sometimes called Internet telephony. TRUE 3. VoIP relies primarily on circuit switching. FALSE 4. A VoIP call must remain solely on the Internet […]
Chapter 18 One Solution Conserving Limited Number Available
Chapter 18: Wireless Multimedia Key 1. A major transition in IT has been the integration of previously disparate functions into a more unified and mobile multimedia environment. 2. An important feature of wireless multimedia devices is that they can often […]
Chapter 2 Error Classified The Incorrect Detection 1
Chapter 2: Understanding the Digital Domain Key 1. Any piece of text may be represented as a sequence of bits. 2. Any piece of digital music may be represented as a sequence of bits. TRUE 3. The vacuum tube was […]
Chapter 3 Which The Following Standard For Representing
Chapter 3: Representing Numbers and Text in Binary Key 1. Not all text can be translated into binary code. 2. Unicode provides sufficient characters to encode languages such as English, Arabic, and Chinese that use different character sets. TRUE 3. […]
Chapter 4 Herman Hollerith Built Machine Called The
Chapter 4: Computer Hardware Key 1. The ENIAC is an example of an early computer. 2. The ENIAC was built using transistors. FALSE 3. The ABC is regarded as world’s first automatic digital electronic computer. TRUE 4. The ENIAC, ABC, […]
Chapter 4 Which The Following The Term Used
87. Which of the following is the term used to refer to hardware components that are attached to a computer but are not vital to its operation? 88. Which of the following is a crucial component of a computer? A. […]
Chapter 5 One Example Low level Programming Language Java False
Chapter 5: Software Key 1. In contrast to software, which is a tangible device that physically performs particular tasks, hardware does not physically perform these tasks itself. 2. Most early computers were specifically used for performing arithmetic computations. TRUE 3. […]
Chapter 6 Windows Media Audio Wma Audio File
Chapter 6: Digital Audio Technology Key 1. The Phonograph was invented by Thomas Edison. 2. The first version of the phonograph contained a needle that cut grooves on a tin foil. TRUE 3. Sound is caused by physical disturbances of […]
Chapter 7 Commercial Cameras Usually Have Bit Depth
Chapter 7: Digital Images and Video Key 1. Digital cameras do not come in disposable form. 2. Each pixel contains a single unit of color information. TRUE 3. Pixels in a pixelized image are all the same size. TRUE 4. […]
Chapter 8 Which The Following Are Conductors Electricity
Chapter 8: Fundamentals of Communications Key 1. Metallic conductors, such as copper wires, comprise atoms with loosely attached electrons, or negatively charged particles, around their nuclei. 2. When a voltage/potential difference from an electrical source, such as a battery, is […]
Chapter 9 Fiber Optic Cables Are Used For
Chapter 9: Introduction to Fiber Optics Key 1. Fiber optics is the transmission of information via light over a glass or specialized plastic medium. 2. Fiber optic cable carries electricity. FALSE 3. A cylindrical material called the cladding, usually made […]