ARRANGE THE FOLLOWING OPERATING SYSTEM COMPONENTS FROM LOWEST TO HIGHEST IN TERMS OF ABSTRACTION

NIELIT O Level Exam

Arrange the following operating system components from lowest to highest in terms of abstraction (from hardware to user-level):
1️⃣ Kernel
2️⃣ User Interface (Shell)
3️⃣ Application Programs
4️⃣ Hardware

निम्नलिखित ऑपरेटिंग सिस्टम घटकों को अमूर्तता के संदर्भ में निम्नतम से उच्चतम तक व्यवस्थित करें (हार्डवेयर से उपयोगकर्ता-स्तर तक):

A. 1 → 4 → 3 → 2

B. 4 → 3 → 2 → 1

C. 3 → 2 → 4 → 1

D. 4 → 1 → 2 → 3

Correct Answer is :

D. 4 → 1 → 2 → 3

Explanation

Hardware is the base, closest to the physical machine.Kernel is the core part of the OS that manages resources.User Interface (Shell) interacts with the user.Application Programs (like Word or a browser) are built on top of the OS.

O Level Online Exam

NIELIT O Level Exam

<p>Arrange the following operating system components from lowest to highest in terms of abstraction (from hardware to user-level):</p><p>1️⃣ Kernel</p><p>2️⃣ User Interface (Shell)</p><p>3️⃣ Application Programs</p><p>4️⃣ Hardware</p>

Correct Answer is :

Explanation