Operating System Services: User Interface and Program Execution

Which type of user interface does almost all operating systems have?

Batch interface
Command-Line Interface (CLI)
Graphics User Interface (GUI) (correct)
Touch-screen interface

What service does the operating system provide to handle the loading and execution of programs?

I/O operations
Memory management
File-system manipulation
Process execution (correct)

In the context of I/O operations, what does 'I/O' stand for?

Information/Observation
Interface/Optimization
Input/Output (correct)
Internal/External

Which activity is NOT included in file-system manipulation by the operating system?

Searching the internet (D) Signup and view all the answers

What type of execution indicates an error in the program's normal execution?

Abnormal execution (A) Signup and view all the answers

Which type of operating-system service is helpful to the user by managing interaction with I/O devices?

I/O operations (B) Signup and view all the answers

What is the primary function of the Command Line interpreter (CLI)?

To allow direct command entry and execution (B) Signup and view all the answers

Which type of OS functions ensures the efficient operation of the system itself via resource sharing?

Resource allocation (D) Signup and view all the answers

What is a Process Control Block (PCB) associated with each process in an operating system?

It contains information such as process state, program counter, CPU registers, and more (D) Signup and view all the answers

What does the Process Concept refer to in an operating system?

Program is stored on disk as an executable file; process is active (A) Signup and view all the answers

What is the primary purpose of logging in an operating system?

To keep track of computer resource usage (A) Signup and view all the answers

In the context of OS services, what is the function of communications via shared memory or through message passing?

Exchanging information between computers over a network (A) Signup and view all the answers

What does resource allocation in an operating system primarily involve?

Allocating resources to multiple users or jobs running concurrently (B) Signup and view all the answers

Which component is responsible for keeping track of which users use how much and what kinds of computer resources?

Logging system (B) Signup and view all the answers

What is the program in the context of the Process Concept?

Active entity stored on disk (executable file) (A) Signup and view all the answers

Which aspect does the Resource Allocation primarily focus on?

Allocation of resources to multiple users or jobs running concurrently (C) Signup and view all the answers

What is the preferred method of contact for the course instructor?

Email: <a href="mailto:[email protected]">[email protected]</a> Signup and view all the answers

What should students put in the subject title when sending emails to the course instructor?

System Administration Signup and view all the answers

What will happen if a student does not have paper and pen during the weekly quiz?

The student will be asked to leave the class. Signup and view all the answers

What is the grading weightage for the Pre-final and Quizzes in the course?

60% Signup and view all the answers

What percentage does the Final Exam contribute to the total grade in the course?

40% Signup and view all the answers

In a group presentation, how many students are allowed to participate?

2 students Signup and view all the answers

What are the primary responsibilities of a system administrator?

Upkeep, configuration, and reliable operation of computer systems Signup and view all the answers

What are the key duties involved in managing the machine room environment?

Designing machine room, specifying cooling, cabling, power connections, and environmental controls Signup and view all the answers

What are the main types of administrators mentioned in the text?

Database Administrators, Network Administrators, Web Administrators, Computer Operators, Site Reliability Engineers (SRE) Signup and view all the answers

What skills are essential for a system administrator?

Operating Systems, Applications, Hardware, Software, Troubleshooting, Programming languages (Scripting), Computer Security Signup and view all the answers

What is the role of a Database Administrator?

Maintains a database system, responsible for data integrity and system performance Signup and view all the answers

What is the primary trait required for a system administrator?

Ability to communicate with technical and nontechnical users Signup and view all the answers

What is the responsibility of a Site Reliability Engineer (SRE)?

Takes a software engineering or programmatic approach to managing systems Signup and view all the answers

What are the key duties involved in system backups?

Determining backup strategy and policies, configuring backup software, performing and monitoring backups, checking backup integrity, determining disaster survival plans, performing restores Signup and view all the answers

What are the main duties related to system security for business applications?

Installing/configuring security software, collecting evidence in case of intrusion, and cleaning up after intrusion Signup and view all the answers

What are the essential duties related to user accounts for a system administrator?

Developing acceptable use policy and login-name policy, determining password change policies, and managing name services and licenses Signup and view all the answers