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

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

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

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

<p>Word (D)</p> Signup and view all the answers

How many bits does a byte consist of?

<p>8 (A)</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 (B)</p> Signup and view all the answers

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

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

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

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

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

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

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

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

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

<p>To identify a hexadecimal number (C)</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 (A)</p> Signup and view all the answers

What is the purpose of permissions in a memory model?

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

How many bits of information does each hexadecimal digit hold?

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

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

<p>0 (D)</p> Signup and view all the answers

What is the purpose of the memory model?

<p>To organize information in RAM (C)</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 (C)</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 (B)</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 (A)</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 (D)</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 (D)</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 (B)</p> Signup and view all the answers

On which operating system are file extensions less important?

<p>Linux (A)</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 (C)</p> Signup and view all the answers

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

<p>Absolute pathname (B)</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>~ (B)</p> Signup and view all the answers

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

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

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

<p>.docx (C)</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 (D)</p> Signup and view all the answers

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

<p>Dynamic files (A)</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 (C)</p> Signup and view all the answers

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

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

What is the equivalent command to ls in Windows?

<p>dir (D)</p> Signup and view all the answers

What does the command ls /bin do?

<p>List the contents of the /bin directory (B)</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 (B)</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 (A)</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 (A)</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) (D)</p> Signup and view all the answers

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

<p>To indicate the home directory (A)</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 (A)</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. (B)</p> Signup and view all the answers

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

<p>/ (D)</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. (B)</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. (B)</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. (D)</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 (A)</p> Signup and view all the answers

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

<p>.docx (C)</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 (D)</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 (D)</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 (B)</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 (C)</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 (D)</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 (D)</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>~ (A)</p> Signup and view all the answers

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

<p>Case sensitivity (A)</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 (D)</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 (A)</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 (C)</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 (D)</p> Signup and view all the answers

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

<p>/ (C)</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 (D)</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 (A)</p> Signup and view all the answers

How are folders organized in a file system?

<p>In a hierarchical structure (B)</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 (A)</p> Signup and view all the answers

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

<p>Hierarchical file system (B)</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 (D)</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) (A)</p> Signup and view all the answers

What is a characteristic of file systems in MacOS?

<p>File extensions are less important (B)</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 (C)</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 (D)</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 (D)</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 (B)</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 (B)</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 (A)</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 (C)</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 (D)</p> Signup and view all the answers

What is the percentage of labs in the course OPS102?

<p>20% (C)</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 (D)</p> Signup and view all the answers

What is the duration of the course OPS102?

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

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

<p>7 (B)</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 (C)</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 (B)</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 (A)</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 (B)</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 (A)</p> Signup and view all the answers

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

<p>dir (C)</p> Signup and view all the answers

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

<p>a directory (B)</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 (C)</p> Signup and view all the answers

What is the equivalent command to ls in Windows?

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

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

<p>To identify the file type (D)</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 (B)</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 (B)</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 (C)</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 (D)</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 (D)</p> Signup and view all the answers

In which operating system are file extensions less important?

<p>MacOS (B)</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 (C)</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 (A)</p> Signup and view all the answers

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

<p>An executable program on Windows (B)</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 (A)</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 (C)</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 (C)</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 (B)</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 (D)</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) (A)</p> Signup and view all the answers

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

<p>/root (C)</p> Signup and view all the answers

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

<p>to indicate the file type (A)</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 (C)</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 (A)</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 (A)</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 (D)</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 (D)</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 (B)</p> Signup and view all the answers

What is the equivalent command to dir in Windows?

<p>ls (D)</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. (B)</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. (C)</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. (D)</p> Signup and view all the answers

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

<p>To identify the file type. (C)</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. (A)</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 (B)</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 (A)</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 (A)</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 (D)</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 (D)</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 (C)</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 (C)</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 (B)</p> Signup and view all the answers

What is the primary characteristic of file systems in MacOS?

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

What is the argument of the cd command?

<p>The directory to change to (D)</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 (D)</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 (C)</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 (A)</p> Signup and view all the answers

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

<p>To specify the file type (D)</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 (A)</p> Signup and view all the answers

On which CPU does a word consist of 2 bytes?

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

What type of information is stored in a computer?

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

What is the benefit of using hexadecimal notation?

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

What is the fundamental unit of a modern computer?

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

How many bits are in a nibble?

<p>4 (B)</p> Signup and view all the answers

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

<p>256 (C)</p> Signup and view all the answers

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

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

What is the natural size of the execution environment called?

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

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

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

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

<p>0 (A)</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 (D)</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 (C)</p> Signup and view all the answers

What is the maximum addressable memory size dependent on?

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

How many nibbles are in a byte?

<p>2 (B)</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 (A)</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 (B)</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 (B)</p> Signup and view all the answers

What determines the size of a word?

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

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