Computer Information Systems
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Questions and Answers

What is the fundamental unit of a modern computer?

  • Byte
  • Bit (correct)
  • Word
  • Nibble

    • What is the fundamental addressable unit of RAM?

  • Nibble
  • Word
  • Bit
  • Byte (correct)

    • How many bits does a nibble consist of?

  • 6
  • 2
  • 4 (correct)
  • 8

    • What is the maximum number of possible values that can be stored in a byte?

    <p>256</p> Signup and view all the answers

    What is the general term for the natural size of the execution environment?

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

    What is the typical size of a CPU's general registers?

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

    How many bits does a byte consist of?

    <p>8</p> Signup and view all the answers

    What is the base of the numbering system in which the counting starts from 0, not from 1?

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

    What is the common system for interpreting information stored in RAM?

    <p>Binary and Hexadecimal</p> Signup and view all the answers

    What is the form in which instructions and data are stored in RAM?

    <p>Groups of bits</p> Signup and view all the answers

    What is the size of a word on a 16-bit CPU?

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

    How many bits are in the general registers of a Pentium 4 CPU?

    <p>32 bits</p> Signup and view all the answers

    What is the purpose of the 0x prefix in hexadecimal notation?

    <p>To identify a hexadecimal number</p> Signup and view all the answers

    What is the maximum addressable memory size dependent on?

    <p>The size of the CPU's address registers</p> Signup and view all the answers

    What is the purpose of permissions in a memory model?

    <p>To trap errors during program execution</p> Signup and view all the answers

    What occurs when a program attempts to execute data or overwrite an instruction?

    <p>A segmentation fault occurs</p> Signup and view all the answers

    How many bits of information does each hexadecimal digit hold?

    <p>4 bits</p> Signup and view all the answers

    What is the sequential starting point for addressing in a memory model?

    <p>0</p> Signup and view all the answers

    What is the purpose of the memory model?

    <p>To organize information in RAM</p> Signup and view all the answers

    On an Itanium 2 CPU, how many bits are in the general registers, and how many bytes are in a word?

    <p>64 bits, 4 bytes</p> Signup and view all the answers

    What is a key consideration when naming files in a Unix/Linux environment?

    <p>Using consistent and meaningful names</p> Signup and view all the answers

    What is the main difference in case sensitivity between Windows and Unix/Linux file systems?

    <p>Unix/Linux is case sensitive, while Windows is not</p> Signup and view all the answers

    What is the primary purpose of file extensions in a file system?

    <p>To specify the type of data stored in the file</p> Signup and view all the answers

    What is the purpose of the /usr directory in a standard Linux distribution?

    <p>To store user-related programs and utilities</p> Signup and view all the answers

    What is the purpose of the pathname separator in Linux and MacOS?

    <p>To separate directories in a path</p> Signup and view all the answers

    On which operating system are file extensions less important?

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

    Why is it recommended to avoid using non-alphanumeric characters in file names?

    <p>They may have special meanings to the system</p> Signup and view all the answers

    What type of pathname starts from the root of the hierarchy?

    <p>Absolute pathname</p> Signup and view all the answers

    What symbol is used as a shorthand for the user's home directory in Linux and Unix?

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

    What is the term for a folder that contains other folders or sub-folders?

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

    What is the purpose of the /bin directory in a standard Linux distribution?

    <p>To store common system binaries</p> Signup and view all the answers

    What is the main difference between an absolute pathname and a relative pathname?

    <p>The starting point of the path</p> Signup and view all the answers

    Which of the following file extensions is typically associated with a Microsoft Word document?

    <p>.docx</p> Signup and view all the answers

    What happens if a system does not have a required program to open a specific file type?

    <p>The file cannot be opened properly</p> Signup and view all the answers

    What type of file is typically stored in the /var directory?

    <p>Dynamic files</p> Signup and view all the answers

    What is the purpose of the ls command in Linux?

    <p>To display a list of files and subdirectories in the current directory</p> Signup and view all the answers

    What does the character 'd' indicate in the output of the ls -l command?

    <p>A directory</p> Signup and view all the answers

    What is the equivalent command to ls in Windows?

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

    What does the command ls /bin do?

    <p>List the contents of the /bin directory</p> Signup and view all the answers

    What is the purpose of the hierarchical file system?

    <p>To organize files and directories in a hierarchical structure</p> Signup and view all the answers

    What happens to the current working directory when a user opens a terminal?

    <p>It becomes the home directory</p> Signup and view all the answers

    What is the purpose of the cd command in a CLI?

    <p>To change the current working directory</p> Signup and view all the answers

    What is the argument of the cd command?

    <p>Any type of path (absolute, relative or relative to home)</p> Signup and view all the answers

    What is the purpose of the ~ symbol in Linux and Unix?

    <p>To indicate the home directory</p> Signup and view all the answers

    What is the effect of using cd .. in Linux and Unix?

    <p>It changes to the parent directory</p> Signup and view all the answers

    What is the primary significance of a hierarchical file system in both Linux and Windows?

    <p>It allows for efficient organization and retrieval of files.</p> Signup and view all the answers

    In Linux, what is the topmost directory in the hierarchical file system?

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

    What is a key consideration when naming files in a Windows environment?

    <p>Avoid using non-alphanumeric characters.</p> Signup and view all the answers

    What is the main difference between the Windows and Linux file systems in terms of root directories?

    <p>Windows uses a per-drive root directory, while Linux has a single root directory.</p> Signup and view all the answers

    What is the significance of the 'root' directory in a Linux file system?

    <p>It is the topmost directory in the hierarchical file system.</p> Signup and view all the answers

    What is the primary purpose of file extensions in a file system?

    <p>To specify the file type</p> Signup and view all the answers

    Which of the following file extensions is typically associated with a Microsoft Word document?

    <p>.docx</p> Signup and view all the answers

    Why is it recommended to avoid using non-alphanumeric characters in file names?

    <p>To ensure file name readability</p> Signup and view all the answers

    What is the main difference between an absolute pathname and a relative pathname?

    <p>Absolute pathnames start from the root of the hierarchy</p> Signup and view all the answers

    What is the purpose of the pathname separator in Linux and MacOS?

    <p>To separate directories in a pathname</p> Signup and view all the answers

    What is the main difference in case sensitivity between Windows and Unix/Linux file systems?

    <p>Unix/Linux is case-sensitive, while Windows is not</p> Signup and view all the answers

    What is the purpose of the /bin directory in a standard Linux distribution?

    <p>To store system executable files</p> Signup and view all the answers

    What is the purpose of the /usr directory in a standard Linux distribution?

    <p>To store system libraries and headers</p> Signup and view all the answers

    What is the symbol used as a shorthand for the user's home directory in Linux and Unix?

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

    What is the primary consideration when naming files in a Unix/Linux environment?

    <p>Case sensitivity</p> Signup and view all the answers

    What is the primary consideration when adopting a file naming scheme in a Unix/Linux environment?

    <p>Avoiding special characters and spaces in file names</p> Signup and view all the answers

    What is the purpose of the /usr directory in a standard Linux distribution?

    <p>To store user-related programs and utilities</p> Signup and view all the answers

    What is the key difference between Windows and Unix/Linux file systems in terms of case sensitivity?

    <p>Unix/Linux is case sensitive, while Windows is not</p> Signup and view all the answers

    What is the recommended approach to replace spaces in file names in a Unix/Linux environment?

    <p>Combining all of the above options</p> Signup and view all the answers

    What is the topmost directory in a standard Linux distribution's hierarchical file system?

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

    What is the primary purpose of file extensions in a file system?

    <p>To identify the type of file</p> Signup and view all the answers

    What is the primary purpose of the matrix server cluster in the OPS102 course?

    <p>To provide a cost-effective alternative to larger servers for coursework</p> Signup and view all the answers

    How are folders organized in a file system?

    <p>In a hierarchical structure</p> Signup and view all the answers

    Which of the following operating systems is available on the lab computers?

    <p>Both Windows OS and Linux OS</p> Signup and view all the answers

    What type of file system is used by the matrix server cluster?

    <p>Hierarchical file system</p> Signup and view all the answers

    What is a key consideration when naming files in a Unix/Linux environment?

    <p>Avoiding non-alphanumeric characters</p> Signup and view all the answers

    What is the interface used to interact with the Linux OS on the matrix server cluster?

    <p>Command line interface (CLI)</p> Signup and view all the answers

    What is a characteristic of file systems in MacOS?

    <p>File extensions are less important</p> Signup and view all the answers

    What is the relationship between the matrix server cluster and Seneca students?

    <p>All registered students in the OPS102 course have access to an account on Matrix</p> Signup and view all the answers

    What happens when a system does not have a required program to open a specific file type?

    <p>The file cannot be opened properly</p> Signup and view all the answers

    What is the primary purpose of a hierarchical file system in both Linux and Windows?

    <p>To provide a tree-like structure for organizing files and folders</p> Signup and view all the answers

    What is the significance of the root (/) directory in Linux?

    <p>It is the topmost directory in the hierarchical file system</p> Signup and view all the answers

    What is the purpose of the whoami command in Linux?

    <p>To print information about the currently logged in user</p> Signup and view all the answers

    What is the difference between the Windows and Linux file systems in terms of root directories?

    <p>Windows uses drives (e.g. C:, D:) as root directories, while Linux uses a single root (/) directory</p> Signup and view all the answers

    What is the purpose of the cls command in Windows and the clear command in Linux?

    <p>To clear the terminal screen and show the prompt in the first line</p> Signup and view all the answers

    What is the primary purpose of the course OPS102?

    <p>Introduction to Linux and Windows for software developers</p> Signup and view all the answers

    What is the percentage of labs in the course OPS102?

    <p>20%</p> Signup and view all the answers

    Why did the instructor swap weeks 1 and 2 for OPS102 sections ZBB and NCC?

    <p>Because the topics will help students in their other courses</p> Signup and view all the answers

    What is the duration of the course OPS102?

    <p>One term</p> Signup and view all the answers

    What is the total number of quizzes in the course OPS102?

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

    What is the primary purpose of having different file types in an operating system?

    <p>To enable efficient file organization and retrieval</p> Signup and view all the answers

    What is the main advantage of using a hierarchical folder organization system?

    <p>It promotes a organized and structured file system</p> Signup and view all the answers

    What is the primary consideration when naming files in a Unix/Linux environment?

    <p>Avoidance of non-alphanumeric characters</p> Signup and view all the answers

    What is the main difference between an absolute pathname and a relative pathname?

    <p>Absolute pathnames start from the root of the hierarchy</p> Signup and view all the answers

    What is the purpose of the ~ symbol in Linux and Unix?

    <p>To indicate the user's home directory</p> Signup and view all the answers

    What is the command used to list the contents of a directory in Windows?

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

    What does the character 'd' indicate in the ls -l command output in Linux?

    <p>a directory</p> Signup and view all the answers

    What is the purpose of the ls -l command in Linux?

    <p>To provide a detailed list of files and subdirectories</p> Signup and view all the answers

    What is the equivalent command to ls in Windows?

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

    What is the significance of the ~ symbol in Linux and Unix?

    <p>It represents the user's home directory</p> Signup and view all the answers

    What is the purpose of file extensions in a file system?

    <p>To identify the file type</p> Signup and view all the answers

    What is the primary consideration when naming files in a Unix/Linux environment?

    <p>To avoid using spaces and special characters</p> Signup and view all the answers

    What is the purpose of a hierarchical file system?

    <p>To organize files and folders in a hierarchical structure</p> Signup and view all the answers

    What happens when a system does not have a required program to open a specific file type?

    <p>The system cannot open the file</p> Signup and view all the answers

    What is the function of the cd command in Linux and Unix?

    <p>To change the current working directory</p> Signup and view all the answers

    What is the main purpose of file extensions in a file system?

    <p>To determine the file type and the required program to open it</p> Signup and view all the answers

    In which operating system are file extensions less important?

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

    What is a key consideration when naming files in a Unix/Linux environment?

    <p>Avoiding non-alphanumeric characters</p> Signup and view all the answers

    What is the purpose of folders in a file system?

    <p>To organize files in a hierarchical structure</p> Signup and view all the answers

    What type of file is identified by the .exe extension?

    <p>An executable program on Windows</p> Signup and view all the answers

    What is the primary reason for avoiding non-alphanumeric characters in file names?

    <p>Because they have special meanings in the system</p> Signup and view all the answers

    What is the significance of adopting a consistent file naming scheme?

    <p>It helps in finding files later</p> Signup and view all the answers

    What is the purpose of the /home directory in a standard Linux distribution?

    <p>It contains users' home directories</p> Signup and view all the answers

    Why is it recommended to use periods, hyphens, or underscores instead of spaces in file names?

    <p>To avoid inconsistent results in command line interface</p> Signup and view all the answers

    What is the key difference between Windows and Unix/Linux file systems in terms of case sensitivity?

    <p>Windows is not case sensitive, Unix/Linux is</p> Signup and view all the answers

    What does the character 's' indicate in the output of the ls -l command in Linux?

    <p>a Unix domain socket, for inter-process communication (IPC)</p> Signup and view all the answers

    What is the equivalent of the Windows 'D:' directory in Linux?

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

    What is the purpose of file extensions in a file system?

    <p>to indicate the file type</p> Signup and view all the answers

    What is the main difference between Windows and Unix/Linux file systems in terms of case sensitivity?

    <p>Windows is not case-sensitive, Unix/Linux is</p> Signup and view all the answers

    What is the significance of the 'root' directory in a Linux file system?

    <p>it is the topmost directory in the hierarchical file system</p> Signup and view all the answers

    What is the primary reason why hierarchical file systems are used in both Linux and Windows?

    <p>To improve file retrieval efficiency</p> Signup and view all the answers

    What is the significance of the root (/) directory in Linux?

    <p>It is the topmost directory in the hierarchical file system</p> Signup and view all the answers

    What is the main difference between file naming conventions in Windows and Linux?

    <p>Linux is case-sensitive, while Windows is not</p> Signup and view all the answers

    What is the purpose of the tree command in Linux?

    <p>To display the folder and file hierarchy in a tree format</p> Signup and view all the answers

    What is the equivalent command to dir in Windows?

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

    What is the significance of the current working directory in a command-line interface?

    <p>It is the folder where the user is currently working.</p> Signup and view all the answers

    What is the function of the cd command in a command-line interface?

    <p>To change the current working directory.</p> Signup and view all the answers

    What happens when the cd command is used without an argument?

    <p>The current directory is changed to the user's home directory.</p> Signup and view all the answers

    What is the purpose of file extensions in a file system?

    <p>To identify the file type.</p> Signup and view all the answers

    What is the significance of the tilde (~) symbol in Linux and Unix?

    <p>It represents the user's home directory.</p> Signup and view all the answers

    What is the primary purpose of file extensions in a file system?

    <p>To specify the file type to the operating system</p> Signup and view all the answers

    What is the main difference between an absolute pathname and a relative pathname?

    <p>Absolute pathnames start from the root directory, while relative pathnames start from the current working directory</p> Signup and view all the answers

    What is the primary consideration when naming files in a Unix/Linux environment?

    <p>Avoiding non-alphanumeric characters</p> Signup and view all the answers

    What is the purpose of the hierarchical file system in both Linux and Windows?

    <p>To organize files into a logical structure</p> Signup and view all the answers

    What is the significance of adopting a consistent file naming convention?

    <p>To facilitate file organization and retrieval</p> Signup and view all the answers

    What is the purpose of the /usr directory in a standard Linux distribution?

    <p>To store shared libraries and programs</p> Signup and view all the answers

    What is the primary purpose of the cd command in a CLI?

    <p>To change the current working directory</p> Signup and view all the answers

    What is the significance of the ~ symbol in Linux and Unix?

    <p>It represents the user's home directory</p> Signup and view all the answers

    What is the primary characteristic of file systems in MacOS?

    <p>Hierarchical organization</p> Signup and view all the answers

    What is the argument of the cd command?

    <p>The directory to change to</p> Signup and view all the answers

    What is the purpose of using a tilde (∼) in Linux/Unix file systems?

    <p>To represent the user's home directory</p> Signup and view all the answers

    What is the primary advantage of using a hierarchical folder organization system?

    <p>It allows for easier file organization and location</p> Signup and view all the answers

    Which of the following is a characteristic of file systems in MacOS?

    <p>It uses a forward slash (/) as the path separator</p> Signup and view all the answers

    What is the purpose of file extensions in a file system?

    <p>To specify the file type</p> Signup and view all the answers

    What is the significance of the /var directory in a standard Linux distribution?

    <p>It stores dynamic files such as log and mail files</p> Signup and view all the answers

    On which CPU does a word consist of 2 bytes?

    <p>16-bit</p> Signup and view all the answers

    What type of information is stored in a computer?

    <p>Program instructions and program data</p> Signup and view all the answers

    What is the purpose of a permission system in a memory model?

    <p>To trap errors while a program is executing</p> Signup and view all the answers

    What is the benefit of using hexadecimal notation?

    <p>It is more convenient for organizing information</p> Signup and view all the answers

    What is the fundamental unit of a modern computer?

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

    What occurs when a program attempts to execute data or overwrite an instruction?

    <p>A segmentation fault occurs</p> Signup and view all the answers

    How many bits are in a nibble?

    <p>4</p> Signup and view all the answers

    What is the maximum number of possible values that can be stored in a byte?

    <p>256</p> Signup and view all the answers

    What is the significance of the 0x prefix in hexadecimal notation?

    <p>It indicates a hexadecimal value</p> Signup and view all the answers

    What is the natural size of the execution environment called?

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

    What is the size of a word on a Pentium 4 CPU?

    <p>4 bytes</p> Signup and view all the answers

    What is the starting point for addressing in a memory model?

    <p>0</p> Signup and view all the answers

    What is the base of the numbering system in which counting starts from 0, not from 1?

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

    In which part of RAM are groups of bits associated with a program stored?

    <p>Part of RAM associated with a program</p> Signup and view all the answers

    What is the maximum addressable memory size dependent on?

    <p>The size of the address registers</p> Signup and view all the answers

    How many nibbles are in a byte?

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

    What is the relationship between hexadecimal digits and bytes?

    <p>Two hexadecimal digits hold 1 byte of information</p> Signup and view all the answers

    What is the significance of the decimal values 10 through 15 in hexadecimal notation?

    <p>They are represented by the characters A-F</p> Signup and view all the answers

    What is the purpose of defining units larger than bits?

    <p>Because bits are too numerous to handle individually</p> Signup and view all the answers

    What determines the size of a word?

    <p>The type of CPU</p> Signup and view all the answers

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