CBSE Class XII Electronics and Hardware Question Paper 2025

Organisation : Central Board of Secondary Education (CBSE)
Class Name : 12th/HSC (Class XII)
Subject : Electronics and Hardware
Download : 2025 Exam Question Paper
Website : https://www.cbse.gov.in/cbsenew/question-paper.html

CBSE Class XII Electronics and Hardware Question Paper

Central Board of Secondary Education (CBSE) Class XII Electronics and Hardware 2025 Exam Question Paper.

Related / Similar Question Paper : CBSE Class XII Electronics Technology Question Paper 2025

CBSE Class XII Electronics and Hardware Questions

Section A : (Objective Type Questions) (30 Marks)

1. Answer any 4 out of the given 6 questions on Employability Skills.
(i) All interrogative sentences end with a/an ___________.
(A) Full stop
(B) Question mark
(C) Exclamation mark
(D) Full stop and Exclamation mark

(ii) People who always believe that they are more important than others suffer from ___________ personality disorder.

(iii) ___________ is a state of feeling upset, annoyed and hopeless.
(A) Aggression
(B) Stress
(C) Happiness
(D) Motivation

(iv) The shortcut key in a spreadsheet for making the text bold is ___________.

(v) A company that is in the first stage of operations is called ___________.
(A) Proprietary firm/company
(B) Micro-firm/company
(C) Startup
(D) Small Scale Industry

(vi) Who design and develop wind farm systems ?
(A) Electronics Engineers
(B) Wind/Solar Energy Engineers
(C) Environmentalists
(D) Landscape Developers

2. Answer any 5 out of the given 7 questions:
(i) In ___________ data transmission mode, messages can be sent in both directions, but only in one direction at a time.
(A) Simplex
(B) Half-duplex
(C) Full-duplex
(D) Extended duplex

(ii) In this topology, a single backbone wire called ___________ is shared among the nodes, which makes it cheaper and easier to maintain.
(A) Knot
(B) Ring
(C) Star
(D) Bus

(iii) The ISO – OSI model is a 8-layer architecture. (True/False)

(iv) A program that runs on a local machine requesting service from the server and terminates when the service is completed is called __________.
(A) user program
(B) server program
(C) client program
(D) main program

(v) The data link layer also corrects errors that may have occurred at the physical layer. (True/False)

(vi) TCP/IP stands for :
(A) Transmission Control Program/Intranet Protocol
(B) Transfer Control Protocol/Independent Protocol
(C) Transmission Control Protocol/Internet Protocol
(D) Transmission Control Protocol/Internal Protocol

(vii) __________ is a network formed by connecting a few personal devices like computers, laptops, mobile phones, smart phones, etc.
(A) Personal Area Network
(B) Local Area Network
(C) Metropolitan Area Network
(D) Wide Area Network

3. Answer any 6 out of the given 7 questions:
(i) A __________ is a hierarchical structure that stores information about objects on the network.
(A) Tree
(B) File
(C) Folder
(D) Directory

(ii) Users are one of the most popular objects in Active Directory. They are used for ____________ .
(A) authentication and authorization on workstations
(B) maintenance of workstations
(C) installing active directory
(D) network management

(iii) Which of the following is a limitation of Domain Controller ?
(A) Target for cyberattack
(B) Centralised user management
(C) Federated configuration of redundancy
(D) No resource sharing

(iv) __________ is used to organise users, groups and computers.
(A) Domain controller
(B) Organisational units
(C) Operation units
(D) Operation objects

(v) Which of the following is a server that responds to authentication requests and verifies users on computer networks ?
(A) AD DS
(B) Client server
(C) Domain controller
(D) PowerShell

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