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IGCSE Grade 9 Computer Science (CS) Classes in Surat

Live online IGCSE Grade 9 Computer Science (CS) coaching for students in Surat, 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 Surat student

Schools in Surat sit across Gujarat Board (GSEB), CBSE and ICSE. GSEB is a board we teach directly, so a Surat student on the Gujarat Board is taught their own paper pattern.

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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 Surat

A student anywhere in Surat can take IGCSE Grade 9 Computer Science (CS) with us — Across, Adajan, Being or City included — because the class is online and there is no centre to travel to. Surat sits in Gujarat, where the Gujarat Board (GSEB) runs alongside the national boards, so we are asked about both.

Every class is live at Indian Standard Time, in a small batch or one-to-one. Nothing is pre-recorded, so a student in Surat 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.

“
★★★★★

The course's greatest benefit for me was the profound comprehension of the core principles it fostered, which has been pivotal in enhancing my academic foundation.

S
Sherwin
Student
“
★★★★★

I was able to get my doubts cleared and I had access to a lot of material. Always got response within the committed time.

V
Vibha
Student
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Frequently asked questions

Do you teach IGCSE Grade 9 Computer Science (CS) to students in Surat?+
Yes. Classes are live and online, so a student in Surat 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 Surat?+
Schools in Surat sit across Gujarat Board (GSEB), CBSE and ICSE. GSEB is a board we teach directly, so a Surat student on the Gujarat Board is taught their own paper pattern.
How many units are in IGCSE Grade 9 Computer Science (CS)?+
10 units.
Is there a free demo class for Surat students?+
Yes. You see a real class before any payment. Message us on WhatsApp and we will arrange it.

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