Operating Systems: Definition and Core Functions

During startup, which component loads the operating system into memory?

• Bootstrap loader stored on ROM

• Device driver stored on RAM

• Scheduler stored on CPU cache

• File system stored on disk

What is the primary benefit of printer spooling for users?

• Continue working while jobs queue to print

• Increase print resolution beyond device limits

• Encrypt print jobs for confidential output

• Reduce paper usage through automatic duplexing

Which task is part of backing store management?

• Authenticate users at logon screens

• Maintain filing systems like FAT or NTFS

• Translate GUI actions into device signals

• Allocate CPU time to competing processes

A multitasking OS schedules processes so tasks appear to run at the same time. What management area handles this?

• Security management for permissions

• Process management for CPU utilization

• Peripheral management for device I/O

• Memory management for RAM allocation

What does a Human Computer Interface primarily enable?

• Background printing without a queue

• Two-way communication between user and computer

• Automatic encryption of all stored data

• Direct CPU access without operating system

Which statement best defines a Human-Computer Interface (HCI)?

• Hardware connecting peripherals to the motherboard

• Network protocol enabling devices to exchange data

• Means for users and computer systems to communicate

• Programming language used to write applications

A network manager wants to quickly test if a network is working using ping. Which interface is the better choice?

• CLI using typed commands

• GUI with menus and pointers

• Voice-controlled interface with prompts

• Touch-based interface with gestures

Which statement best describes a core benefit of a touch‑screen interface?

• It removes the need for a keyboard or mouse

• It allows selection of tiny items effortlessly

• It guarantees perfect accuracy in all conditions

• It prevents the screen from getting scratched

Which scenario illustrates a drawback of a menu‑driven interface?

• Little processing power is needed to operate menus

• No specialist vocabulary is required to use menus

• Beginners find options arranged logically by task

• Users spend time navigating many sequential screens

Which biometric method identifies a person by measuring the relative distances between key facial points such as eyes, nose, and ears?

• Iris scanning of front eye color patterns

• Voice recognition of spoken sound frequencies

• Fingerprint analysis of whorls and loops

• Facial recognition using facial key distances