CSS - PMS - CCE - PCS - General Science
Operating Systems
What is booting?
A. The process of starting a computer and loading the operating system
B. Printing a document
C. Deleting the Internet
D. Formatting text only
Correct Answer: A
Boot firmware initializes hardware and loads the OS into memory.
CSS - PMS - CCE - PCS - General Science
Operating Systems
Which is an example of an operating system?
A. HTML
B. SQL
C. Linux
D. HTTP
Correct Answer: C
Linux is an operating-system kernel and the basis of many OS distributions.
CSS - PMS - CCE - PCS - General Science
Operating Systems
What is a user interface in an operating system?
A. A means for users to interact with the system, such as a GUI or command line
B. A data packet
C. A processor cache only
D. A hard-disk sector
Correct Answer: A
Operating systems expose graphical and/or command-line interfaces.
CSS - PMS - CCE - PCS - General Science
Operating Systems
What is a device driver?
A. A type of malware only
B. Software that lets the operating system communicate with specific hardware
C. A web search result
D. A person operating a car
Correct Answer: B
Drivers translate OS requests into hardware-specific operations.
CSS - PMS - CCE - PCS - General Science
Operating Systems
What is the kernel?
A. A user password
B. A keyboard shortcut
C. A web page
D. The core part of an operating system that manages low-level resources
Correct Answer: D
The kernel controls CPU, memory, devices and privileged operations.
CSS - PMS - CCE - PCS - General Science
Operating Systems
What is multitasking?
A. Running or making progress on multiple programs by sharing processor time
B. Turning off the CPU
C. Using one program only
D. Formatting a disk
Correct Answer: A
Operating systems schedule tasks rapidly to support concurrent activity.
CSS - PMS - CCE - PCS - General Science
Operating Systems
What is a file system?
A. A method used by an OS to organize and store files on storage devices
B. A CPU instruction only
C. An email message
D. A type of monitor
Correct Answer: A
File systems manage names, directories, metadata and physical storage allocation.
CSS - PMS - CCE - PCS - General Science
Operating Systems
What is virtual memory?
A. A memory-management technique that gives processes a larger logical address space using RAM and secondary storage
B. A browser bookmark
C. A printer queue only
D. A physical extra CPU
Correct Answer: A
Virtual memory maps logical addresses and can page data between RAM and storage.
CSS - PMS - CCE - PCS - General Science
Operating Systems
Which OS component manages running programs?
A. Process manager or scheduler
B. Printer cable
C. Web browser only
D. Monitor
Correct Answer: A
The OS schedules processes and allocates CPU time.
CSS - PMS - CCE - PCS - General Science
Operating Systems
What is an operating system?
A. A type of database record
B. System software that manages hardware resources and provides services to applications
C. A spreadsheet file
D. A network cable
Correct Answer: B
An OS manages processes, memory, devices, storage and user/application interfaces.