Computer Security and CPU Operations Quiz

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Questions and Answers

Which of the following software programs is designed to monitor for harmful software?

  • Adobe Reader
  • McAfee (correct)
  • Google Chrome
  • Microsoft Excel

What is one function of antivirus software?

  • To enhance video graphics
  • To monitor for signs of ransomware (correct)
  • To perform internet searches
  • To create spreadsheets

Which company is known for providing antivirus solutions?

  • Spotify
  • Norton (correct)
  • Zoom
  • Apple

Which of the following is NOT a type of harmful software that antivirus programs monitor for?

<p>Firewall (B)</p> Signup and view all the answers

What type of software is Windows Defender categorized as?

<p>Antivirus software (A)</p> Signup and view all the answers

What is the first step in the process of instruction execution?

<p>Fetch the next instruction from memory (A)</p> Signup and view all the answers

Which step involves interpreting the instruction to identify what action to perform?

<p>Decode the instruction (A)</p> Signup and view all the answers

After fetching the instruction from memory, what is the next logical step to perform?

<p>Decode the instruction to determine the required operation (C)</p> Signup and view all the answers

What occurs immediately after decoding the instruction?

<p>Execution of the specified operation takes place (B)</p> Signup and view all the answers

Which of the following steps does not directly contribute to executing an operation?

<p>Open and display the instruction (C)</p> Signup and view all the answers

What is the primary purpose of this storage method mentioned?

<p>To enable faster access for the CPU to frequently used data. (B)</p> Signup and view all the answers

How does this storage method enhance CPU performance?

<p>By making frequently accessed data and instructions readily available. (D)</p> Signup and view all the answers

What type of memory is contrasted with this storage method?

<p>Main memory (RAM). (D)</p> Signup and view all the answers

Which of the following statements is true regarding this storage method?

<p>It provides quicker data retrieval compared to main memory. (B)</p> Signup and view all the answers

What is a potential limitation of this storage method?

<p>It typically has a smaller capacity than main memory. (D)</p> Signup and view all the answers

What is a characteristic of a read-only storage device?

<p>Users can access information without the ability to modify it. (C)</p> Signup and view all the answers

Which of the following statements best describes how read-only devices function?

<p>They permit users to access data without alteration privileges. (C)</p> Signup and view all the answers

What limitation do read-only devices impose on users?

<p>Inability to change or save existing information. (B)</p> Signup and view all the answers

Which of the following best explains why a user might choose a read-only device?

<p>To ensure the information remains unaltered. (B)</p> Signup and view all the answers

How do read-only devices benefit data security?

<p>They prevent unauthorized modification of stored information. (D)</p> Signup and view all the answers

What is a primary reason web applications are more vulnerable to security attacks than native applications?

<p>They are hosted on servers accessible to the public. (D)</p> Signup and view all the answers

What characteristic of web applications contributes to their security vulnerabilities?

<p>Accessibility through public servers. (C)</p> Signup and view all the answers

Which factor does NOT contribute to the increased security vulnerabilities of web applications?

<p>Built-in security features. (B)</p> Signup and view all the answers

How does server hosting affect the security of web applications?

<p>Public server access increases exposure to attacks. (D)</p> Signup and view all the answers

Which of the following statements about web applications and security vulnerabilities is true?

<p>Public access to web application servers increases security risks. (D)</p> Signup and view all the answers

What is the first step to insert a table in a document?

<p>Select the Table button on the Insert tab. (C)</p> Signup and view all the answers

What must be done after selecting the number of rows and columns for the table?

<p>Click OK to insert the table. (A)</p> Signup and view all the answers

Which action is NOT involved in inserting a table?

<p>Choosing the table design from the template. (A)</p> Signup and view all the answers

In which tab can you find the option to insert a table?

<p>Insert (B)</p> Signup and view all the answers

When inserting a table, what do you need to do after selecting the number of columns?

<p>Click OK. (D)</p> Signup and view all the answers

Flashcards

Instruction Fetch

Retrieving the next computer program instruction from memory.

Instruction Decode

Interpreting the instruction to determine the necessary actions.

Execute Instruction

Carrying out the operation described in the instruction.

Computer Operation Cycle

The steps a computer takes to process an instruction.

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Operating

Doing something specified by an instruction

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Faster data access

Storing frequently used data and instructions near the CPU speeds up processing.

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CPU access speed

The CPU can retrieve data from specific storage faster than from main memory (RAM).

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Frequently accessed data

Data and instructions used often by the CPU.

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Main memory (RAM)

The primary storage for a computer.

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Data storage

Holding place that saves instructions and information.

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Read Only Device

A storage device that allows access but not saving or modification of information.

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Storage Device

A device used to retain information

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Access Information

To look at stored data

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Save Information

To record data into a storage device

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Modify Information

To change data in a storage device

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Cybersecurity monitoring

Continuously checking computers for harmful software like viruses, malware, and ransomware.

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Harmful software

Software designed to damage or disrupt computer systems.

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Virus

A type of harmful software that can replicate and spread.

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Malware

Software that is intended to damage or disable computer systems or steal data.

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Ransomware

A type of malware that blocks access to a computer system until a payment is made.

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Web app security

Web applications are more vulnerable to attacks than native apps because they are publicly accessible.

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Native app security

Native applications are usually less vulnerable because they run on devices or systems that are not generally accessible to the public.

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Publicly accessible

Describes resources or apps that can be accessed by anyone on the internet.

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Server hosting

A place where web applications are stored and run, accessible from across the internet.

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Security vulnerabilities

Weaknesses in a system or application that can be exploited by attackers

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Table Insertion

The process of adding a table to a document using a dedicated button or menu.

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Insert Tab

The tab on the ribbon that contains tools related to inserting objects into a document, including tables.

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Table Button

The button on the Insert tab responsible for creating a new table.

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Rows and Columns

The vertical and horizontal lines that define the grid-like structure of a table.

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Table Dimension Selection

The step where you determine the size of the table by specifying the number of rows and columns.

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Study Notes

Computer Basics

  • A computer is a machine that changes information from one form to another through input, processing, output, and storage.
  • Computers take raw data and transform it into organized information.
  • Two types of computers exist: analog and digital. Analog computers measure data on a scale with many values; digital computers use data in digital or numerical form with fixed values.

Information Processing Cycle

  • Input: The raw information or data entered into a computer. This can range from simple letters and numbers to complex images. Input devices include keyboards, mice, scanners, cameras, and microphones.
  • Bits of data are entered into a computer using a coded language, with each bit having two possible values: 0 or 1. Off state = 0, On state = 1.
  • Processing: The computer carries out a task using instructions or programs written in binary code. These instructions tell the computer what to do. The speed of processing is very rapid, with computers performing millions of operations every second. Examples of processing include arithmetic and logic operations.
  • Output: The result of the computer's processing is presented to the user in various forms such as displaying images on a screen, producing sounds through speakers, or generating printed documents.
  • Storage: The action of saving information within the computer system(RAM - storage during operation; Secondary storage like hard drives / SSDs - storage even when off ). If storage isn't used, all work is lost. Primary storage is for instructions/data needed while operating a computer.

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