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100+ Free SINF6 Computer Studies Practice Questions

Prepare for the Solomon Islands National Form Six Examination — Computer Studies exam with instant access — no signup required.

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90.3% of Year 12 candidates reached or exceeded the minimum Computer Studies subject score in 2025 Pass Rate
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2026 Statistics

Key Facts: SINF6 Computer Studies Exam

4 November 2026

2026 Computer Studies paper date

MEHRD 2026 National Examination Timetable

90.3%

Year 12 candidates at or above the minimum Computer Studies score, 2025

MEHRD 2025 National Examination Results

3 hours

Paper duration plus 10 minutes reading time

MEHRD 2026 National Examination Timetable

No fee

National examination fees are prohibited for Year 12

MEHRD administrative instruction on school fees

265–500

Year 12 aggregate score range reported by MEHRD

MEHRD 2023 National Examination Results

100

Free practice questions in this bank

OpenExamPrep question bank

SINF6 Computer Studies is a three-hour national written paper sat by Form 6 students across Solomon Islands, scheduled for Wednesday 4 November 2026. It is the strongest performing Year 12 subject nationally, with 90.3% of candidates reaching the minimum subject score in 2025, and there is no examination fee. This free bank supplies 100 explained multiple-choice questions across seven strands, including number conversion, logic, pseudocode tracing and SQL.

Sample SINF6 Computer Studies Practice Questions

Try these sample questions to test your SINF6 Computer Studies exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which internal component of the Central Processing Unit (CPU) is directly responsible for decoding instruction opcodes and generating the timing and control signals needed to coordinate data transfer across the system?
A.Control Unit (CU)
B.Arithmetic Logic Unit (ALU)
C.Memory Address Register (MAR)
D.Program Counter (PC)
Explanation: The Control Unit (CU) directs the operations of the processor. It fetches instructions from main memory, decodes their opcodes, and generates electrical control and timing signals to coordinate all other hardware components, including the ALU, registers, and system buses.
2How does Random Access Memory (RAM) differ fundamentally from Read-Only Memory (ROM) in a personal computer?
A.RAM is volatile and allows read/write operations during execution, whereas ROM is non-volatile and permanently stores firmware instructions like BIOS.
B.RAM retains its content when power is disconnected, whereas ROM loses all stored data instantly.
C.RAM is used exclusively for long-term storage of user files, whereas ROM functions as temporary cache memory.
D.RAM operates at significantly slower speeds than ROM because it relies on mechanical magnetic platters.
Explanation: RAM is volatile primary memory that requires active power to retain state; it supports high-speed read and write operations for active applications. ROM is non-volatile memory that permanently retains manufacturer-written bootstrap/firmware routines (such as BIOS/UEFI) even when power is off.
3Cache memory is organized into levels (L1, L2, and L3). Which statement correctly describes the performance and capacity trade-offs across these cache levels?
A.L1 cache has the fastest access time and smallest capacity, while L3 cache has larger capacity but higher latency.
B.L1 cache has the largest storage capacity and slowest clock speed, while L3 cache is integrated directly into processor registers.
C.L3 cache is located off the motherboard on optical drives, while L1 cache stores non-volatile startup firmware.
D.L1, L2, and L3 caches have identical capacities and speeds, differing only in their power consumption.
Explanation: Memory hierarchy trade-offs dictate that memory closer to the CPU core is faster but smaller. L1 cache is ultra-fast, located inside the core with low capacity (e.g., 32KB-64KB). L2 and L3 caches increase in capacity (megabytes) but incur slightly higher cycle latency.
4A system bus consists of three distinct functional signal lines: Data Bus, Address Bus, and Control Bus. What is the specific function of the Address Bus?
A.It carries memory address signals unidirectionally from the CPU to identify specific physical RAM locations.
B.It transfers bidirectional binary data words between the CPU, RAM, and storage controllers.
C.It transmits timing pulses and read/write signal commands from external peripheral devices to CPU registers.
D.It converts parallel optical signals into serial electrical streams for monitor displays.
Explanation: The Address Bus is a unidirectional set of lines driven by the CPU (or DMA controller) to specify the memory location or I/O port address being targeted for a read or write operation.
5What is the 'Von Neumann Bottleneck' in computer architecture?
A.The throughput limitation caused by sharing a single physical bus between the CPU and memory for both instruction fetches and data transfers.
B.The delay caused by magnetic hard drive platters spinning up to full operational speed during boot.
C.The inability of 32-bit operating systems to run 64-bit application binaries natively.
D.The thermal throttling triggered when a graphics processing unit exceeds safe operating temperatures.
Explanation: In Von Neumann architecture, both program instructions and data reside in the same physical memory space and share the same bus. Because the CPU can only fetch an instruction OR read/write data at a given instant, memory bus speed caps overall CPU performance, creating the Von Neumann bottleneck.
6Which secondary storage technology offers the fastest sequential read/write data transfer speeds and lowest latency by using flash NAND memory chips without moving mechanical parts?
A.Solid-State Drive (SSD)
B.Hard Disk Drive (HDD)
C.Compact Disc Read-Only Memory (CD-ROM)
D.Magnetic Tape Drive
Explanation: Solid-State Drives (SSDs) use semiconductor flash NAND memory, eliminating physical seek times and rotational latency associated with mechanical hard disks, offering vastly superior read/write speeds.
7A CPU has a clock frequency of 2.5 GHz. If an instruction requires an average of 4 clock cycles to complete execution, how many seconds does a single instruction take?
A.1.6 × 10⁻⁹ seconds (1.6 nanoseconds)
B.4.0 × 10⁻⁹ seconds (4.0 nanoseconds)
C.2.5 × 10⁻⁹ seconds (2.5 nanoseconds)
D.1.0 × 10⁻⁶ seconds (1.0 microsecond)
Explanation: Clock Period T = 1 / Frequency = 1 / (2.5 × 10⁹ Hz) = 0.4 × 10⁻⁹ seconds (0.4 ns). Total time for 4 cycles = 4 × 0.4 ns = 1.6 × 10⁻⁹ seconds (1.6 nanoseconds).
8What primary task does the Power-On Self-Test (POST) execute during the initial booting sequence of a computer system?
A.It tests and verifies critical hardware components like RAM, keyboard, and storage controllers before loading the OS kernel.
B.It formats the primary hard disk partition and installs security updates.
C.It compiles high-level source code into binary machine code.
D.It establishes an encrypted VPN connection to distant network servers.
Explanation: POST is a built-in firmware diagnostic program stored in ROM (BIOS/UEFI) that initializes and checks hardware components (RAM, CPU registers, system clock, video controller) upon power-up to confirm system operational readiness.
9What occurs when a hardware peripheral signals a hardware interrupt to the CPU?
A.The CPU suspends execution of the current instruction thread, saves context registers to the stack, and executes an Interrupt Service Routine (ISR).
B.The computer immediately shuts down power to prevent CPU overheating.
C.All active RAM contents are cleared and re-initialized from disk.
D.The system permanently deletes temporary operating system log files.
Explanation: When an interrupt signal arrives (e.g., keyboard input, disk read completion), the CPU finishes its current fetch-execute cycle, saves its program counter and register context to the call stack, jumps to the vector address of the Interrupt Service Routine (ISR), services the request, and restores context.
10Which RAID configuration uses block-level striping with distributed parity across at least three drives to provide both performance enhancement and single-drive fault tolerance?
A.RAID 5
B.RAID 0
C.RAID 1
D.RAID 10
Explanation: RAID 5 stripes data and parity blocks evenly across a minimum of 3 physical drives. If any single drive fails, missing data can be recalculated on the fly from the remaining distributed parity blocks.

About the SINF6 Computer Studies Exam

The Solomon Islands National Form Six Examination (SINF6) Computer Studies paper is the national Year 12 computing assessment, administered by MEHRD's National Education Assessment Division and timetabled as part of the Solomon Islands School Certificate Level Two (SISCL2). Candidates sit a single three-hour question-and-answer booklet covering computer systems and hardware, operating systems, data representation and logic, networks and cybersecurity, algorithms and programming, databases, and the social and ethical dimensions of ICT. In 2026 the Computer Studies paper is scheduled for Wednesday 4 November. It is consistently the strongest performing Year 12 subject nationally, with 90.3% of candidates reaching the minimum subject score in 2025. The 100 questions on this page are an English-language multiple-choice study adaptation of that syllabus, including binary and hexadecimal conversion, pseudocode tracing and SQL; the official paper additionally requires candidates to write out algorithms and queries by hand.

Assessment

Single 3-hour question-and-answer booklet with 10 minutes of reading time. All sections are compulsory and require written pseudocode, trace tables, logic and SQL answers alongside shorter objective items.

Time Limit

3 hours plus 10 minutes reading time (session 9.00 am – 12.10 pm)

Passing Score

MEHRD does not publish a fixed percentage pass mark. Subject scores feed a Year 12 aggregate; for the 2023 sitting MEHRD reported a minimum aggregate of 265 within an aggregate range of 265–500, and 58.8% of that cohort reached or exceeded it.

Exam Fee

No fee. MEHRD's administrative instruction prohibits schools from charging national examination fees for Year 9, Year 11 and Year 12 candidates. (Ministry of Education and Human Resources Development (MEHRD), National Education Assessment Division (NEAD))

SINF6 Computer Studies Exam Content Outline

14 questions

Computer Systems and Hardware

CPU architecture, memory hierarchy, storage, peripherals and embedded systems.

14 questions

Operating Systems and Software

Kernel and drivers, scheduling, virtual memory, file systems, process states, deadlock, paging and user interfaces.

15 questions

Data Representation and Logic

Number bases and two's complement, character encoding, file size calculation, logic gates, Boolean algebra and floating point.

15 questions

Networks and Cybersecurity

Network types and topologies, the OSI model, TCP and UDP, DNS and IP addressing, subnetting, encryption, firewalls and common attacks.

15 questions

Algorithms and Programming

Data types, selection and iteration, tracing, searching and sorting, arrays, recursion, error types, parameters, validation and complexity.

14 questions

Databases and Information Systems

Relational design, keys and relationships, normalisation, SQL queries and joins, transactions and metadata.

13 questions

Social and Ethical ICT

The digital divide, licensing, copyright, health and e-waste, data protection and sovereignty, algorithmic bias, misuse law and green computing.

How to Pass the SINF6 Computer Studies Exam

What You Need to Know

  • Passing score: MEHRD does not publish a fixed percentage pass mark. Subject scores feed a Year 12 aggregate; for the 2023 sitting MEHRD reported a minimum aggregate of 265 within an aggregate range of 265–500, and 58.8% of that cohort reached or exceeded it.
  • Assessment: Single 3-hour question-and-answer booklet with 10 minutes of reading time. All sections are compulsory and require written pseudocode, trace tables, logic and SQL answers alongside shorter objective items.
  • Time limit: 3 hours plus 10 minutes reading time (session 9.00 am – 12.10 pm)
  • Exam fee: No fee. MEHRD's administrative instruction prohibits schools from charging national examination fees for Year 9, Year 11 and Year 12 candidates.

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

SINF6 Computer Studies Study Tips from Top Performers

1Practise base conversion both ways on paper until it is fast, since binary, denary and hexadecimal questions appear every year and are free marks once drilled.
2For two's complement, always follow the same three steps: write the positive value in binary, invert every bit, then add one.
3Build a trace table for every loop question with one column per variable and one row per iteration. Attempting to trace mentally is the main source of lost marks.
4Learn the normal forms by their fault: 1NF removes non-atomic values, 2NF removes partial dependency on a composite key, and 3NF removes transitive dependency between non-key attributes.
5Write SQL in full, with SELECT, FROM, WHERE and the ON clause for joins, because the written paper expects complete syntax rather than fragments.
6Prepare the social and ethical topics with Pacific examples such as the digital divide, e-waste in island landfills and data sovereignty for government data hosted overseas.

Frequently Asked Questions

What is the SINF6 Computer Studies examination?

It is the national Form 6 (Year 12) computing paper administered by MEHRD's National Education Assessment Division, forming part of the Solomon Islands National Form Six School Certificate, now timetabled as the Solomon Islands School Certificate Level Two (SISCL2).

When is the 2026 SINF6 Computer Studies examination?

MEHRD has scheduled Computer Studies for Wednesday 4 November 2026, with 10 minutes of reading time and a 3-hour paper running from 9.00 am to 12.10 pm.

How well do candidates usually perform in Computer Studies?

It is the strongest Year 12 subject nationally. MEHRD reported 90.3% of candidates reaching or exceeding the minimum subject score in 2025 and 90.4% in 2024, ahead of Design Technology and Physics.

How many questions are on the official paper?

MEHRD does not publish a fixed item count. The paper is a single question-and-answer booklet with compulsory sections combining objective items, short-answer concepts and written algorithm, pseudocode and query tasks.

Is this practice bank the same format as the real exam?

No. The official paper asks you to write pseudocode, trace tables and SQL by hand. These 100 items are an English-language multiple-choice study adaptation covering the same syllabus content, best used alongside written coding practice.

Is the examination taken on a computer?

No. It is a paper-based written examination sat in a question-and-answer booklet, so you must be able to write and trace code on paper rather than run it.

Is there a fee to sit SINF6 Computer Studies?

No. MEHRD's administrative instruction to schools prohibits charging national examination fees for Year 9, Year 11 and Year 12 candidates.

In what language is the examination set?

English. English is the language of instruction and assessment in Solomon Islands secondary schools, so this bank is in the same language as the official paper.