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IGCSE Grade 9 Computer Science (CS) Classes in Bhagalpur

Live online IGCSE Grade 9 Computer Science (CS) coaching for students in Bhagalpur, taught by Kajal Ma'am — 4.9/5 from 36 reviews. Free demo class first, no payment.

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Why this fits a Bhagalpur student

Most Bhagalpur schools follow the Bihar Board (BSEB), with CBSE, ICSE/ISC and Cambridge schools alongside. We teach the CBSE, ICSE/ISC, Cambridge IGCSE, GSEB and NIOS computer subjects, not the BSEB computer paper itself, so this course suits a Bhagalpur student in one of those schools.

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What IGCSE Grade 9 Computer Science (CS) covers

10 units. Tap any unit to see its topics.

011. Data Representation+
  • Number systems: binary, denary and hexadecimal
  • Converting between binary, denary and hexadecimal
  • Two's complement and binary arithmetic (binary shifts)
  • Text, sound and image representation
  • Measuring data storage (bit, byte, KiB, MiB, GiB, etc.)
  • Data compression: lossless and lossy
022. Data Transmission+
  • Packets and packet switching
  • Serial vs parallel, simplex/half-duplex/full-duplex transmission
  • Universal Serial Bus (USB)
  • Error detection: parity check, checksum, check digit, ARQ, echo check
  • Symmetric and asymmetric encryption
033. Hardware+
  • Computer architecture and the CPU; von Neumann model
  • Core, cache and clock speed; fetch-decode-execute cycle
  • Embedded systems
  • Input and output devices
  • Primary, secondary and off-line storage (magnetic, optical, solid state)
  • Sensors, microprocessors and control/monitoring systems
  • Logic gates (NOT, AND, OR, NAND, NOR, XOR)
044. Software+
  • System software vs application software
  • Operating systems and their functions
  • Interrupts and the role of the OS
  • High- and low-level languages; compilers, interpreters and assemblers
  • The relationship between hardware, firmware and software
055. The Internet and Its Uses+
  • The internet vs the world wide web; URLs
  • HTTP and HTTPS; web browsers and how web pages are retrieved
  • Cookies: session and persistent
  • Digital currency and blockchain
  • Cyber security threats (brute-force, data interception, DDoS, phishing, malware, etc.)
  • Keeping data safe: solutions and protection methods
066. Automated and Emerging Technologies+
  • Automated systems: sensors, microprocessors and actuators
  • Robotics and the characteristics of robots
  • Artificial intelligence: expert systems and machine learning
  • Advantages, disadvantages and applications of emerging technologies
077. Algorithm Design and Problem-Solving+
  • Program development life cycle (analysis, design, coding, testing)
  • Computational thinking: decomposition, abstraction, pattern recognition
  • Pseudocode and flowcharts
  • Standard methods of solution: linear/bubble sort, linear/binary search, totalling, counting
  • Trace tables and identifying/correcting errors
  • Validation, verification and suitable test data
088. Programming+
  • Declaring and using variables and constants; basic data types
  • Input, output, sequence, selection and iteration
  • Nested statements; counts and totals
  • One-dimensional and two-dimensional arrays
  • Procedures, functions and parameters; library routines
  • File handling; writing maintainable programs
099. Databases+
  • Single-table databases
  • Fields, records and data types; primary keys
  • Database structure (validation and basic SQL retrieval)
  • Querying and selecting data with structured query language (SQL)
1010. Boolean Logic+
  • Logic gates and their symbols
  • Constructing logic circuits from problem statements
  • Producing and completing truth tables
  • Writing logic expressions from circuits and vice versa

See the full IGCSE Grade 9 Computer Science (CS) course →

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Students across Bhagalpur

We teach IGCSE Grade 9 Computer Science (CS) to students across Bhagalpur and the rest of Bihar online, so nobody travels to a centre.

Every class is live at Indian Standard Time, in a small batch or one-to-one. Nothing is pre-recorded, so a student in Bhagalpur asks questions in the moment. Recordings are provided for revision only.

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What students & parents say

4.9/5 from 36 verified reviews.

“
★★★★★

Joining the Kwick Revision Course has been entirely worthwhile, as I have consistently received timely responses within the committed timeframe.

U
Umar
Student
“
★★★★★

I was also preparing for my JEE entrance exam. I thought that I was not able to complete the syllabus in a short period of time, but as per the commitment, the course has been completed, and I got a thorough revision too, which was quite useful. The Kwickprep course, study material, and quality of teaching were good. I got support during my practical examination. Doubt solving took place in very less time. I am satisfied with the course.

A
Archi Monthy
Student
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Frequently asked questions

Do you teach IGCSE Grade 9 Computer Science (CS) to students in Bhagalpur?+
Yes. Classes are live and online, so a student in Bhagalpur joins the same small batch or one-to-one session as anyone else, at Indian Standard Time, taught by Kajal Ma'am.
Which board does this suit in Bhagalpur?+
Most Bhagalpur schools follow the Bihar Board (BSEB), with CBSE, ICSE/ISC and Cambridge schools alongside. We teach the CBSE, ICSE/ISC, Cambridge IGCSE, GSEB and NIOS computer subjects, not the BSEB computer paper itself, so this course suits a Bhagalpur student in one of those schools.
How many units are in IGCSE Grade 9 Computer Science (CS)?+
10 units.
Is there a free demo class for Bhagalpur students?+
Yes. You see a real class before any payment. Message us on WhatsApp and we will arrange it.

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