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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?
Which of the following optical technologies can be used with the full range of electronic, television, and computer hardware?
What is generally considered a disadvantage of online storage?
What is generally considered a disadvantage of online storage?
Which of the following tools enables different computers on different networks to communicate with each other?
Which of the following tools enables different computers on different networks to communicate with each other?
Which of the following has the most potential to reduce paper handling?
Which of the following has the most potential to reduce paper handling?
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What does NITDA stand for?
What does NITDA stand for?
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What technology merges computing with high speed communications links carrying data, sound, and video?
What technology merges computing with high speed communications links carrying data, sound, and video?
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Which hardware category does magnetic tape belong to?
Which hardware category does magnetic tape belong to?
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What is the minimum n-bit coding system required to represent 108 different characters?
What is the minimum n-bit coding system required to represent 108 different characters?
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Which type of printer uses a ribbon?
Which type of printer uses a ribbon?
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What type of memory is considered volatile?
What type of memory is considered volatile?
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What does CRM stand for?
What does CRM stand for?
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Which of the following is NOT a form of cybercrime?
Which of the following is NOT a form of cybercrime?
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What device is needed for the transmission of data in discrete form over a telephone line?
What device is needed for the transmission of data in discrete form over a telephone line?
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In which phase of the SDLC are case tools, Gantt charts, and PERT charts used?
In which phase of the SDLC are case tools, Gantt charts, and PERT charts used?
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Which tool is not used in analyzing data during phase 2 of the SDLC?
Which tool is not used in analyzing data during phase 2 of the SDLC?
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Costs and benefits analysis is usually done in which phase of the SDLC?
Costs and benefits analysis is usually done in which phase of the SDLC?
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What does the acronym UETA stand for?
What does the acronym UETA stand for?
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Which of the following is not considered a unit of data storage capacity?
Which of the following is not considered a unit of data storage capacity?
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A CPU fabricated on a silicon chip is called what?
A CPU fabricated on a silicon chip is called what?
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What is the commonly used phrase for the entire internet protocol suite?
What is the commonly used phrase for the entire internet protocol suite?
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Which type of e-commerce focuses on consumers dealing with each other?
Which type of e-commerce focuses on consumers dealing with each other?
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Which form of e-commerce is most commonly recognized by individuals?
Which form of e-commerce is most commonly recognized by individuals?
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Which option is not a security mechanism?
Which option is not a security mechanism?
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What describes an internet restricted to an organization along with selected outsiders?
What describes an internet restricted to an organization along with selected outsiders?
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What is the primary characteristic of an intranet?
What is the primary characteristic of an intranet?
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Which of the following is an accurate statement regarding copyright law?
Which of the following is an accurate statement regarding copyright law?
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What does public domain software refer to?
What does public domain software refer to?
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What is the purpose of the data protection act?
What is the purpose of the data protection act?
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What term is used for software rights owned by an individual or business?
What term is used for software rights owned by an individual or business?
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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.
E-commerce Trends
- 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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Description
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.
