A) To create documents and presentations.
B) To make phone calls.
C) To manage computer hardware and act as an intermediary between the user and the computer.
D) To browse the internet faster.

A) Windows
B) Linux
C) Android
D) macOS

A) To design websites.
B) To provide an interface for hardware devices to communicate with the operating system.
C) To play video games.
D) To manage email accounts.

A) Windows
B) macOS
C) Android
D) Ubuntu

A) Global User Interaction
B) Great User Interface
C) General Usage Indicator
D) Graphical User Interface

A) To create music playlists.
B) To design logos for companies.
C) To load the operating system into memory during the boot process.
D) To track the number of steps taken in a day.

A) The highest level of access to the operating system, allowing full control over system settings and files.
B) Access to plant roots.
C) Access to tree roots.
D) Access to root vegetables.

A) Downloading multiple files simultaneously.
B) The ability of an operating system to execute multiple tasks concurrently.
C) Juggling multiple physical objects.
D) Using multiple keyboards and mice at the same time.

A) Linux
B) Windows
C) Chrome OS
D) iOS

A) To keep track of physical exercise routines.
B) To store photos and videos.
C) A central database used to store configuration settings and options for the operating system.
D) To manage financial transactions.

A) A messaging system for computer users.
B) An online shopping platform.
C) An interface provided by the operating system that allows user-level processes to request services from the kernel.
D) A customer service hotline for software issues.

A) Protective covering for hardware components.
B) Outer layer of the operating system.
C) A program that interprets commands and allows the user to interact with the operating system.
D) Online shopping platform.

A) To send emails.
B) To play video games.
C) To create presentations.
D) To monitor system performance and manage running processes.

A) Windows
B) iOS
C) Chrome OS
D) Ubuntu

A) A time slice occurring, requiring a context switch.
B) Accessing valid memory addresses.
C) User input from the keyboard.
D) The completion of a program's execution.

A) Procedural design
B) Imperative programming
C) Object-oriented design
D) Functional programming

A) HFS+
B) FAT32
C) EXT4
D) NTFS

A) Open-source development
B) Minimalism
C) Security
D) Redundancy

A) UNIX
B) OS/360
C) MINIX
D) Fortran Monitor System (FMS)

A) MOV X, Y, where X and Y are registers.
B) INT X, where X is the offset number in hexadecimal format.
C) CALL X, where X is a function identifier.
D) JMP X, where X is the jump address.

A) alpha < bravo.
B) alpha > bravo.
C) alpha | bravo.
D) alpha & bravo.

A) kill(pid, signum).
B) fork(pid, signum).
C) wait(pid, signum).
D) exec(pid, signum).

A) VAX/VMS
B) Linux
C) BlackBerry OS
D) Symbian OS

A) BSD License
B) Apache License
C) MIT License
D) GNU General Public License (GPL)

A) Syllable or TempleOS
B) Ubuntu or Fedora
C) Windows or macOS
D) Android or iOS

A) Linux
B) System/360
C) UNIX
D) MULTICS

A) Windows networking features
B) Standard UNIX networking features
C) MacOS networking features
D) Android networking features

A) IEEE 802.11
B) ANSI C
C) POSIX
D) ISO/IEC 27001

A) Java
B) Python
C) Ruby
D) C++

A) Buffer overflow attacks.
B) Phishing attacks.
C) SQL injection attacks.
D) Cross-site scripting attacks.

A) Batch processing
B) Cooperative multitasking
C) Non-preemptive multitasking
D) Preemptive multitasking

A) Steve Jobs.
B) Bill Gates.
C) Andrew S. Tanenbaum.
D) Linus Torvalds.

A) UNIX shell
B) Linux kernel
C) Bionic C library
D) Windows API

A) IBM PC
B) Microsoft Windows
C) UNIX
D) Apple's Macintosh

A) Secure socket layer (SSL).
B) Virtual private network (VPN).
C) Data encryption standard (DES).
D) Address space layout randomization (ASLR).