14 Questions
Which component of the computer system provides basic computing resources such as CPU, memory, and I/O devices?
Hardware
Which one of the following is NOT a goal of the operating system?
Providing basic computing resources
What do users primarily care about when using a computer system?
Convenience and ease of use
What is the role of the operating system in a shared computer environment?
Resource allocator and control program
What are application programs in the computer system?
Ways to solve computing problems
True or false: The operating system acts as an intermediary between the user and the computer hardware?
True
True or false: The primary goal of the operating system is to execute user programs and make solving user problems easier?
True
True or false: Application programs define the ways in which the system resources are used to solve computing problems?
True
True or false: Hardware components of a computer system include CPU, memory, and I/O devices?
True
True or false: Users can be people, machines, and other computers?
True
True or false: The kernel is the only program running at all times on the computer?
True
True or false: Middleware is a set of software frameworks that provide additional services to application developers?
True
True or false: All programs associated with the operating system are system programs?
False
True or false: Mobile computing operating systems do not include middleware?
False
Study Notes
Operating System (OS) Overview
- Acts as an intermediary between a user and computer hardware
- Goals: execute user programs, make problem-solving easier, provide convenient computer use, and efficient hardware utilization
Computer System Components
- Hardware: basic computing resources (CPU, memory, I/O devices)
- Operating System: controls and coordinates hardware use among applications and users
- Application Programs: define system resource use to solve user computing problems
- Users: people, machines, or other computers
Operating System Definition
- No universally accepted definition
- Approximation: "everything a vendor ships when you order an operating system"
- Kernel: the one program running at all times on the computer, part of the operating system
Operating System Components
- Kernel: part of the operating system
- System Programs: ship with the operating system, but not part of the kernel
- Application Programs: all programs not associated with the operating system
- Middleware: software frameworks providing services to application developers (databases, multimedia, graphics), included in today’s OSes for general purpose and mobile computing
Test your knowledge on computer operating systems and their goals with this quiz. Learn about the components of a computer system and how they interact with the hardware.
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