IT concepts and terminology VI

Front

Why is it important to consider data and information as assets in an organization?

Back

They can be used to make informed business decisions

Answer explanation

Data and information provide valuable insights that can guide decision-making processes, making them crucial assets for any organization. While data and information do require storage, they are typically stored digitally and do not occupy physical space in an office. While data and information flow through a company's internet connection, they are not required for the connection itself. This does not explain why they are considered assets. Data can and is often sold for profits directly. While certain data can be valuable, selling data directly often involves legal and ethical considerations.

Front

Why should Joe attempt to duplicate the problem as part of his troubleshooting process?

Back

It helps identify and observe the problem directly, aiding in understanding and diagnosing it.

Answer explanation

Explanation

Duplicating the problem is important for verifying the issue and obtaining firsthand knowledge of the symptoms, which aids in the diagnosing process. Duplicating the problem is a critical step in dealing with the issue, not an evasion tactic. The goal of duplicating a problem is to better understand it, not to install unnecessary updates. The goal of troubleshooting is to resolve issues and restore productivity, not to disrupt it.

Front

Why is gathering information an important initial step in troubleshooting a reported issue with a company's email server?

Back

It gives the technician an understanding of the symptoms, which helps in identifying the probable cause.

Answer explanation

Gathering information gives the technician insights into the problem's symptoms, which is essential for identifying its cause and figuring out how to address it. Gathering information is a productive part of addressing the problem, not an evasion tactic. The goal of gathering information is not for the technician to demonstrate what they know, but to understand the issue better. Gathering information is about understanding the problem, not increasing the billable hours.

Front

Which fundamental data type is used to represent real numbers, including those with decimal or fractional parts, in a programming context?

Back

Float

Answer explanation

Floats or Floating-point numbers represent real numbers with decimal or fractional parts in programming. It is specifically designed to handle numbers with decimal points, making it the appropriate choice for representing real numbers. Char represents individual characters, including letters, digits, or special symbols, in a programming context. It is not designed to represent real numbers with decimal or fractional parts. Booleans represent truth values, typically true or false, in programming. They are not used for representing real numbers or any other numeric values. Integers represent whole numbers without any decimal or fractional parts. Although it can store numeric values, it is not intended to represent real numbers with decimal points.

Front

Which of the following is considered a computer input device? Printer, Speaker, Mouse, Monitor

Back

Mouse

Answer explanation

A mouse is an input device. It is used to input instructions into the computer by pointing, clicking, and dragging. A printer is an output device that produces the resultant data after a computing process. Speakers are output devices. They output audio that has been processed by the computer. A monitor is an output device that visually displays the data processed by the computer.

Front

Which of the following BEST describes the role of a CPU in a computer?

• It outputs information to peripheral devices
• It is only responsible for inputting data
• It stores information for long term use
• It executes instructions and performs calculations

Back

It executes instructions and performs calculations.

Answer explanation

The CPU (Central Processing Unit) is the primary component of a computer that performs most of the processing inside the computer. It executes instructions from the computer's memory. Long-term storage of information is typically handled by devices such as hard drives and SSDs, not the CPU. While the CPU does send information to peripheral devices, this is not its primary role. The output function is mainly performed by output devices like monitors and printers. The CPU processes data; it doesn't input it. Input devices like a keyboard or mouse are used for inputting data.

Front

Which of the following statements accurately describes a distinctive characteristic or use of one of these notational systems?

• Hexadecimal notational system uses only two digits, 0 and 1
• Decimal is the most-commonly used notational system for the representation of non-numeric data
• Binary is a base-16 system
• ASCII is a character encoding standard that was one of the first to be widely used

Back

ASCII is a character encoding standard that was one of the first to be widely used.

Answer explanation

ASCII (American Standard Code for Information Interchange) was one of the first character encoding standards to gain wide adoption and serves to represent text in computers and various communication devices, mainly for English and some other Western languages. The Binary notational system is a base-2 system, not base-16. It employs only two digits, 0 and 1, and represents the fundamental building blocks of digital computing, not Hexadecimal. The Hexadecimal notational system is base-16, using sixteen distinct symbols (0-9 and A-F), while the Binary system uses only two symbols (0 and 1). Decimal is a base-10 system typically used for numeric values rather than non-numeric data. Moreover, its use isn't limited to computer science; it's the standard numbering system used in everyday life and most areas of mathematics.

Front

Why is it crucial to accurately identify the symptoms of a slow network issue?

Back

It helps you to determine the specific nature of the problem, which will guide you towards effective solutions.

Answer explanation

Explanation

Identifying the symptoms provides valuable information about the problem and helps determine the root cause, leading to more effective resolution strategies. Identifying the symptoms of a problem is the first step in addressing it, not an avoidance tactic. While putting users at ease is important, the main reason to identify symptoms is to understand the nature of the problem better. Troubleshooting should be a constructive process aimed at resolution, not assigning blame to users.

Front

Why is it important for Sam to ask the user specific questions about the intermittent internet connection issues?

Back

Sam can gain detailed insights into the problem, aiding efficient diagnosis and resolution.

Answer explanation

Questioning users provides crucial information that can assist in effective troubleshooting. The intent of asking questions is not to confuse users or avoid fixing problems, but to gain a better understanding of the issue. Questioning users should be about fact-finding, not blame-shifting. While involving the user in the process can be beneficial, the primary reason to ask questions is to get more information to aid in resolving the issue.

Front

An e-commerce company is planning to launch a new digital product. Which of the following considerations is crucial to ensure the product's usability and accessibility?

Options:

• Designing complex features that only tech-savvy customers can use

,

• Limit the product to a single platform to reduce design complexity

,

• Ensuring the digital product works across different devices and platforms

,

• Including as many features as possible in the first release

Back

Ensuring the digital product works across different devices and platforms

Answer explanation

To maximize usability and accessibility, it's crucial that the digital product is compatible with different devices (like smartphones, tablets, and computers) and platforms (like Windows, iOS, Android). While having a variety of features might seem attractive, it is more important to ensure that the core features work flawlessly. Too many features, especially if untested, could lead to a user-unfriendly experience. The product should be designed with all types of users in mind. Making the product too complex may limit its user base and make it less accessible. While this might simplify the design process, it significantly limits the accessibility and usability of the product.