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100+ Free CHSE Odisha Elective Computer Science Practice Questions

Council of Higher Secondary Education, Odisha (CHSE Odisha) Higher Secondary (+2) Elective Computer Science (Science stream) practice questions are available now; exam metadata is being verified.

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2026 Statistics

Key Facts: CHSE Odisha Elective Computer Science Exam

200 marks

Elective Computer Science total: Y1 and Y2 each Theory 70 + Practical 30

CHSE Odisha Science Courses of Studies (science_2016) Computer Science

3 hours

Typical duration of the 70-mark theory paper (practical separate ~3 hours)

science_2016 Computer Science theory/practical scheme

70 + 30

Theory and practical split per year (gross 100 marks per year)

CHSE Computer Science evaluation scheme

C++ core

Language and OOP/file/pointer depth distinguish CS from Elective IT

science_2016 Computer Science units (not IT Java/HTML track)

In AHSE fee

No separate elective marketplace fee; included in session exam fee

CHSE Odisha AHSE fee structure via colleges

CHSE Odisha Elective Computer Science is a +2 Science elective (200 marks: each year Theory 70 + Practical 30) centred on C++, OOP, data structures, SQL, boolean algebra, and networking per science_2016. This free 2026 bank is an English MCQ study adaptation—not an official long-answer/practical simulation—and is distinct from Elective IT.

Sample CHSE Odisha Elective Computer Science Practice Questions

Try these sample questions to test your CHSE Odisha Elective Computer Science exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1In CHSE +2 Computer Science fundamentals, the concept of booting primarily refers to:
A.Starting the computer and loading the operating system into memory so the system becomes ready for use
B.Only printing a document on a laser printer
C.Only formatting a secondary storage disk permanently
D.Only converting source code into object code
Explanation: Booting is the process of starting a computer and loading the OS so functional components can work under system control.
2Which pair correctly matches system software tools listed in the CHSE Computer Science syllabus?
A.Only spreadsheet and presentation packages
B.Compiler, interpreter, and assembler
C.Only hotel reservation and payroll packages
D.Only Bluetooth and infrared ports
Explanation: System software includes the operating system, compiler, interpreter, and assembler.
3According to the syllabus classification, Android and Symbian are examples of:
A.Only primary memory chips
B.Only RISC microprocessor cores
C.Mobile operating systems
D.Only secondary storage formats
Explanation: The syllabus lists Mobile OS examples including Android and Symbian.
4Disk Cleanup, Disk Defragmenter, and Backup are classified as:
A.Only application-domain hotel systems
B.Only CISC microprocessors
C.Only network topologies
D.Utility software (disk management tools)
Explanation: Utility software includes antivirus, file management, compression, and disk tools such as Cleanup, Defragmenter, and Backup.
5Which statement best distinguishes open source software from proprietary software in the CHSE fundamentals unit?
A.Open source software provides source code under an open licence for study and modification; proprietary software restricts access and redistribution under vendor terms
B.Open source always means free of any licence terms, while proprietary always means public domain
C.Open source software can only run on mobile OS, never on desktops
D.Proprietary software is always freeware that may be redistributed freely
Explanation: The syllabus contrasts open source, freeware, shareware, and proprietary software; open source emphasises accessible source under open terms, unlike closed proprietary products.
6The hexadecimal number 2F equals which decimal value?
A.39
B.47
C.2F is not convertible
D.15
Explanation: 2×16 + 15 = 32 + 15 = 47.
7UNICODE is emphasised in the syllabus mainly because it supports:
A.Only 7-bit English characters identical to early teletypes
B.Only floating-point arithmetic in the CPU ALU
C.Multilingual computing with a large character repertoire
D.Only circuit-switched telephone networks
Explanation: UNICODE is listed for multilingual computing alongside ASCII and ISCII.
8RISC processors are characterised in the syllabus as:
A.Only Explicitly Parallel Instruction Computing with no other name
B.Only complex instruction set designs identical to CISC
C.Only optical-fibre connectors
D.Reduced Instruction Set Computing designs
Explanation: RISC expands to Reduced Instruction Set Computing; CISC is Complex Instruction Set Computing; EPIC is Explicitly Parallel Instruction Computing.
9Cache, RAM, and ROM are examples of:
A.Primary memory concepts in the syllabus
B.Only secondary removable media such as Blu-ray
C.Only network devices like routers
D.Only boolean operators
Explanation: Primary memory includes cache, RAM, and ROM; secondary includes HDD, CD/DVD, pen drive, Blu-ray.
10Which list matches I/O ports/connections named in Computer Fundamentals?
A.Only PUSH and POP stack operations
B.Serial, Parallel, USB, PS-2, Infrared, Bluetooth, and Firewire
C.Only CREATE TABLE and DROP TABLE
D.Only Karnaugh maps and De Morgan laws
Explanation: The syllabus lists serial, parallel, USB, PS-2, infrared, Bluetooth, and Firewire among ports/connections.

About the CHSE Odisha Elective Computer Science Practice Questions

Verified exam format metadata for Council of Higher Secondary Education, Odisha (CHSE Odisha) Higher Secondary (+2) Elective Computer Science (Science stream) is pending. The practice questions above remain available while official exam length, timing, passing score, fee, and administrator details are reviewed.