CSC217 Computer Science Exam
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Questions and Answers

Which of the following optical technologies can be used with the full range of electronic, television, and computer hardware?

  • CD-Rom (correct)
  • CD-R (correct)
  • CDE
  • DVD (correct)
  • What is generally considered a disadvantage of online storage?

  • Cost effectiveness
  • High speed
  • Data safety (correct)
  • Portability
  • Which of the following tools enables different computers on different networks to communicate with each other?

  • Network interface card
  • TCP/IP software (correct)
  • Internet service provider
  • Modem
  • Which of the following has the most potential to reduce paper handling?

    <p>EDI</p> Signup and view all the answers

    What does NITDA stand for?

    <p>National Information Technology Development Agency</p> Signup and view all the answers

    What technology merges computing with high speed communications links carrying data, sound, and video?

    <p>multimedia technology</p> Signup and view all the answers

    Which hardware category does magnetic tape belong to?

    <p>storage</p> Signup and view all the answers

    What is the minimum n-bit coding system required to represent 108 different characters?

    <p>7-bit</p> Signup and view all the answers

    Which type of printer uses a ribbon?

    <p>dot-matrix</p> Signup and view all the answers

    What type of memory is considered volatile?

    <p>RAM</p> Signup and view all the answers

    What does CRM stand for?

    <p>customer relationship management</p> Signup and view all the answers

    Which of the following is NOT a form of cybercrime?

    <p>developing a new software application</p> Signup and view all the answers

    What device is needed for the transmission of data in discrete form over a telephone line?

    <p>modem</p> Signup and view all the answers

    In which phase of the SDLC are case tools, Gantt charts, and PERT charts used?

    <p>Phase 3</p> Signup and view all the answers

    Which tool is not used in analyzing data during phase 2 of the SDLC?

    <p>Gantt charts</p> Signup and view all the answers

    Costs and benefits analysis is usually done in which phase of the SDLC?

    <p>Phase 2</p> Signup and view all the answers

    What does the acronym UETA stand for?

    <p>Uniform Electronic Transactions Act</p> Signup and view all the answers

    Which of the following is not considered a unit of data storage capacity?

    <p>Kentayte</p> Signup and view all the answers

    A CPU fabricated on a silicon chip is called what?

    <p>Microprocessor</p> Signup and view all the answers

    What is the commonly used phrase for the entire internet protocol suite?

    <p>TCP/IP</p> Signup and view all the answers

    Which type of e-commerce focuses on consumers dealing with each other?

    <p>C2C</p> Signup and view all the answers

    Which form of e-commerce is most commonly recognized by individuals?

    <p>B2C</p> Signup and view all the answers

    Which option is not a security mechanism?

    <p>E-cash</p> Signup and view all the answers

    What describes an internet restricted to an organization along with selected outsiders?

    <p>Extranet</p> Signup and view all the answers

    What is the primary characteristic of an intranet?

    <p>Access restricted to internal staff only</p> Signup and view all the answers

    Which of the following is an accurate statement regarding copyright law?

    <p>It applies to software much like it does to books and music.</p> Signup and view all the answers

    What does public domain software refer to?

    <p>Software that is free of charge and also free of copyright</p> Signup and view all the answers

    What is the purpose of the data protection act?

    <p>To safeguard individual privacy</p> Signup and view all the answers

    What term is used for software rights owned by an individual or business?

    <p>Proprietary software</p> Signup and view all the answers

    Study Notes

    Computer Science Fundamentals

    • Telecommunications technology merges computing with high-speed communication links for data, sound, and video transmission.
    • Magnetic tape is classified under storage hardware.
    • A minimum of 7-bit coding system is required to represent 108 different characters.

    Printers and Input Devices

    • Ribbons are used in dot-matrix printers.
    • Joysticks serve dual functions: moving the cursor on a screen and playing computer games.

    Memory Types

    • RAM is the volatile memory type, while ROM is non-volatile.
    • Main memory is often referred to as primary memory.

    Customer Relationship Management

    • CRM stands for Customer Relationship Management, focusing on interactions with customers.

    Cybercrime

    • Examples of cybercrime include hacking, threatening, and spreading malware, whereas legitimate actions, such as site administration, do not qualify as cybercrime.

    Data Transmission and Software Development

    • Discrete data transmission over phone lines requires a modem.
    • Data flow through information systems is represented using data flow diagrams.
    • The pilot approach is a method of trialing a new system on a limited number of users.

    Software Development Life Cycle (SDLC)

    • Gantt charts, case tools, and PERT charts are commonly used in the analysis phase of SDLC.
    • Costs and benefits analysis typically occurs in phase 1 of the SDLC.

    Technology and Security

    • Technology service companies may not obtain insurance coverage for errors arising from data breaches or software programming.
    • UETA refers to the Uniform Electronic Transactions Act, facilitating electronic transactions.

    Data Storage and Capacity

    • Units of data storage capacity include petabyte, terabyte, yottabyte, and zettabyte, with Kentayte being invalid.
    • A CPU fabricated on a silicon chip is known as a microprocessor.

    Internet and E-commerce

    • TCP/IP is a widely used internet protocol suite.
    • Telecommuting is working remotely using telecommunications technology.
    • E-commerce encompasses doing business electronically, with B2C, B2B, and C2C as primary types.
    • eBay and Amazon.com are categorized as B2C e-commerce businesses.

    Security Mechanisms and Intellectual Property

    • Security mechanisms include encryption, firewalls, passwords, and PINs, while e-cash is not a security mechanism.
    • Copyright law applies to software in a manner similar to other intellectual properties.
    • Public domain software is both free of charge and free of copyright.

    Data Protection and Software Rights

    • The Data Protection Act aims to protect individuals' privacy.
    • Proprietary software refers to software rights owned by an individual or business.

    Disk Storage and Handling

    • Tracks at the same radial distance in a disk pack are called cylinders.
    • Proper care of diskettes includes avoiding contact with their surfaces and cleaning with a cloth.

    Optical Technologies and Online Storage

    • Technologies like CD-ROM, DVD, and CD-R can interface with various electronic devices.
    • Disadvantages of online storage might include safety concerns and pricing.

    Networking and Retrieval Systems

    • Various methods like TCP/IP software and modems enable communication between different computers on different networks.
    • FTP is utilized to search for and retrieve files across computers.
    • EDI is particularly effective for reducing paper handling in businesses.
    • Consumers tend to be less comfortable purchasing items like furniture online.
    • NITDA stands for National Information Technology Development Agency, pivotal for Nigeria’s technological growth.

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    Test your knowledge with the CSC217 Computer Science exam covering telecommunications, computing, and multimedia technologies. This quiz includes multiple-choice questions that evaluate your understanding of the course material. Prepare for your first semester examination with this comprehensive review.

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