Computer Fundamentals 25 mcq part 2

Part 2 · Computer Fundamentals (Q26–Q50) /* ---------- RESET & BASE ---------- */ * { margin: 0; padding: 0; box-sizing: border-box; } body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif; background: #f4f7fc; min-height: 100vh; display: flex; justify-content: center; padding: 2rem 1rem; color: #1e293b; } .blog-container { max-width: 820px; width: 100%; background: #ffffff; border-radius: 32px; box-shadow: 0 20px 60px rgba(0, 20, 40, 0.08); padding: 2rem 2rem 2.5rem; transition: all 0.2s ease; } /* ---------- HEADER ---------- */ .blog-header { text-align: center; padding-bottom: 1.5rem; border-bottom: 2px solid #eef2f6; margin-bottom: 2rem; } .blog-header .badge { display: inline-block; background: #fef3c7; color: #b45309; font-weight: 600; font-size: 0.7rem; letter-spacing: 0.5px; text-transform: uppercase; padding: 0.3rem 0.9rem; border-radius: 100px; margin-bottom: 0.75rem; } .blog-header h1 { font-size: 2rem; font-weight: 700; letter-spacing: -0.5px; color: #0f172a; margin-bottom: 0.25rem; } .blog-header h1 i { color: #b45309; margin-right: 0.5rem; } .blog-header p { color: #64748b; font-size: 1rem; max-width: 500px; margin: 0.5rem auto 0; line-height: 1.5; } .part-badge { display: inline-block; margin-top: 0.5rem; background: #1e293b; color: #fff; font-weight: 600; font-size: 0.75rem; padding: 0.25rem 1.2rem; border-radius: 100px; } /* ---------- PROGRESS BAR ---------- */ .progress-wrapper { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.75rem; } .progress-track { flex: 1; height: 6px; background: #e2e8f0; border-radius: 10px; overflow: hidden; } .progress-fill { height: 100%; width: 0%; background: linear-gradient(90deg, #b45309, #ea580c); border-radius: 10px; transition: width 0.5s ease; } .progress-text { font-weight: 600; font-size: 0.85rem; color: #475569; white-space: nowrap; min-width: 56px; text-align: right; } /* ---------- QUESTION CARD ---------- */ .question-card { background: #fafcff; border-radius: 20px; padding: 1.75rem 1.75rem 1.5rem; border: 1px solid #e9edf2; transition: border-color 0.2s, box-shadow 0.2s; margin-bottom: 1.5rem; } .question-card.correct { border-color: #22c55e; background: #f0fdf4; box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.15); } .question-card.wrong { border-color: #ef4444; background: #fef2f2; box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.12); } .question-number { display: inline-block; font-size: 0.75rem; font-weight: 600; color: #b45309; background: #fef3c7; padding: 0.2rem 0.8rem; border-radius: 100px; margin-bottom: 0.8rem; letter-spacing: 0.3px; } .question-text { font-size: 1.1rem; font-weight: 600; line-height: 1.6; color: #0f172a; margin-bottom: 1.25rem; } /* ---------- OPTIONS ---------- */ .options-grid { display: flex; flex-direction: column; gap: 0.6rem; } .option { display: flex; align-items: center; gap: 0.75rem; padding: 0.7rem 1rem; background: #ffffff; border: 2px solid #e2e8f0; border-radius: 12px; cursor: pointer; transition: all 0.18s ease; font-size: 0.95rem; font-weight: 500; color: #1e293b; } .option:hover:not(.disabled) { border-color: #94a3b8; background: #f8fafc; } .option .letter { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background: #f1f5f9; font-weight: 700; font-size: 0.8rem; color: #475569; flex-shrink: 0; transition: background 0.2s, color 0.2s; } .option.selected { border-color: #b45309; background: #fffbeb; } .option.selected .letter { background: #b45309; color: #fff; } .option.correct-answer { border-color: #22c55e; background: #f0fdf4; } .option.correct-answer .letter { background: #22c55e; color: #fff; } .option.wrong-answer { border-color: #ef4444; background: #fef2f2; } .option.wrong-answer .letter { background: #ef4444; color: #fff; } .option.disabled { cursor: default; opacity: 0.7; } .option.disabled:hover { border-color: #e2e8f0; background: #ffffff; } .option .check-icon { margin-left: auto; font-size: 1.1rem; } .option .check-icon.correct-icon { color: #22c55e; } .option .check-icon.wrong-icon { color: #ef4444; } /* ---------- FEEDBACK ---------- */ .feedback { margin-top: 1.25rem; padding: 0.9rem 1.2rem; border-radius: 12px; font-size: 0.92rem; font-weight: 500; display: none; align-items: center; gap: 0.6rem; } .feedback.show { display: flex; } .feedback.correct { background: #dcfce7; color: #166534; border: 1px solid #86efac; } .feedback.wrong { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; } .feedback i { font-size: 1.2rem; } /* ---------- NAVIGATION ---------- */ .nav-row { display: flex; justify-content: space-between; align-items: center; gap: 0.75rem; flex-wrap: wrap; margin-top: 0.5rem; } .btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.6rem 1.4rem; border-radius: 100px; font-weight: 600; font-size: 0.9rem; border: none; cursor: pointer; transition: all 0.2s ease; background: #f1f5f9; color: #1e293b; } .btn:hover:not(:disabled) { background: #e2e8f0; transform: translateY(-1px); } .btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; } .btn-primary { background: #b45309; color: #fff; } .btn-primary:hover:not(:disabled) { background: #92400e; } .btn-success { background: #22c55e; color: #fff; } .btn-success:hover:not(:disabled) { background: #16a34a; } .btn-outline { background: transparent; border: 2px solid #e2e8f0; } .btn-outline:hover:not(:disabled) { background: #f8fafc; border-color: #94a3b8; } /* ---------- RESULTS ---------- */ .results-container { display: none; text-align: center; padding: 2rem 1rem 1rem; } .results-container.show { display: block; } .results-score { font-size: 4rem; font-weight: 800; color: #0f172a; line-height: 1; } .results-score span { font-size: 1.8rem; font-weight: 600; color: #64748b; } .results-label { font-size: 1.1rem; color: #475569; margin-top: 0.5rem; } .results-stats { display: flex; justify-content: center; gap: 2.5rem; margin: 1.5rem 0 2rem; flex-wrap: wrap; } .stat-item { text-align: center; } .stat-item .num { font-size: 1.8rem; font-weight: 700; display: block; } .stat-item .label { font-size: 0.8rem; color: #64748b; font-weight: 500; } .stat-item .num.green { color: #22c55e; } .stat-item .num.red { color: #ef4444; } .stat-item .num.blue { color: #b45309; } .results-message { font-size: 1.05rem; padding: 0.8rem 1.5rem; background: #f1f5f9; border-radius: 16px; display: inline-block; margin-bottom: 1.5rem; } .btn-restart { background: #0f172a; color: #fff; padding: 0.7rem 2rem; font-size: 1rem; } .btn-restart:hover { background: #1e293b; transform: translateY(-2px); } /* ---------- RESPONSIVE ---------- */ @media (max-width: 640px) { .blog-container { padding: 1.25rem 1rem 1.5rem; } .blog-header h1 { font-size: 1.5rem; } .question-text { font-size: 1rem; } .option { font-size: 0.88rem; padding: 0.6rem 0.8rem; } .nav-row { flex-direction: column; align-items: stretch; } .btn { justify-content: center; } .results-score { font-size: 3rem; } .results-stats { gap: 1.5rem; } } @media (max-width: 400px) { .blog-header h1 { font-size: 1.25rem; } .question-card { padding: 1.25rem 1rem; } .option .letter { width: 24px; height: 24px; font-size: 0.7rem; } } .hidden { display: none !important; } Fundamentals of Computer · Part 2 MCQ Challenge Questions 26–50 from the PDF. Test your knowledge with interactive feedback. Q26 – Q50 0 / 25 Previous Next 0 / 25 Your Score 0 Correct 0 Wrong 0 Attempted 🎉 Great job! Restart Quiz // ============================================================ // DATA — Questions 26–50 (from QB_Fundamentals_of_Computer.pdf) // ============================================================ const questions = [{ id: 26, text: 'Which of the following is a part of the Central Processing Unit?', options: ['Printer', 'Key board', 'Mouse', 'Arithmetic & Logic unit'], correct: 3 }, { id: 27, text: 'CAD stands for …', options: ['Computer aided design', 'Computer algorithm for design', 'Computer application in design', 'Computer analogue design' ], correct: 0 }, { id: 28, text: 'Junk e-mail is also called …', options: ['spam', 'spoof', 'sniffer script', 'spool'], correct: 0 }, { id: 29, text: 'Hackers …', options: [ 'all have the same motive', 'break into other people\'s computers', 'may legally break into computers as long as they do not do any damage', 'are people who are allergic to computers' ], correct: 1 }, { id: 30, text: 'What type of computers are client computers (most of the time) in a client-server system?', options: ['Mainframe', 'Mini-computer', 'Microcomputer', 'PDA'], correct: 2 }, { id: 31, text: 'A computer cannot "boot" if it does not have the …', options: ['Compiler', 'Loader', 'Operating System', 'Assembler'], correct: 2 }, { id: 32, text: 'The amount of vertical space between lines of text in a document is called …', options: ['double-space', 'line spacing', 'single space', 'vertical spacing'], correct: 1 }, { id: 33, text: 'Example of non-numeric data is …', options: ['Employee address', 'Examination score', 'Bank balance', 'All of these'], correct: 0 }, { id: 34, text: 'What is an embedded system?', options: [ 'The programme which arrives by being wrapped in box.', 'The programme which is the permanent part of the computer', 'The computer which is the part of a big computer', 'The computer and software system that control the machine' ], correct: 3 }, { id: 35, text: 'First page of a Website is termed as …', options: ['Homepage', 'Index', 'JAVA script', 'Bookmark'], correct: 0 }, { id: 36, text: '_____ is the appearance of typed characters?', options: ['Size', 'Format', 'Point', 'Colour'], correct: 1 }, { id: 37, text: 'When a file is saved for the first time …', options: [ 'a copy is automatically printed', 'it must be given a name to identify it', 'it does not need a name', 'it only needs a name if it is not going to be printed' ], correct: 1 }, { id: 38, text: 'Office LANs, which are scattered geographically on large scale, can be connected by the use of corporate …', options: ['CAN', 'LAN', 'DAN', 'WAN'], correct: 3 }, { id: 39, text: 'Where are data and programme stored when the processor uses them?', options: ['Main memory', 'Secondary memory', 'Disk memory', 'Programme memory'], correct: 0 }, { id: 40, text: '_____ represents raw facts, whereas _____ is data made meaningful.', options: ['Information, reporting', 'Data, information', 'Information, bits', 'Records, bytes'], correct: 1 }, { id: 41, text: 'What characteristic of read-only memory (ROM) makes it useful?', options: [ 'ROM information can be easily updated.', 'Data in ROM is non-volatile — it remains even without electrical power.', 'ROM provides very large amounts of inexpensive data storage.', 'ROM chips are easily swapped between different brands of computers.' ], correct: 1 }, { id: 42, text: 'What do you call the programs that are used to find out possible faults and their causes?', options: ['operating system extensions', 'cookies', 'diagnostic software', 'boot diskettes'], correct: 2 }, { id: 43, text: 'Which programming languages are classified as low-level languages?', options: ['BASIC, COBOL, Fortran', 'Prolog', 'C, C++', 'Assembly languages'], correct: 3 }, { id: 44, text: 'Which of the following is NOT anti-virus software?', options: ['NAV', 'F-Prot', 'Oracle', 'McAfee'], correct: 2 }, { id: 45, text: 'Which device is required for an Internet connection?', options: ['Joystick', 'Modem', 'CD Drive', 'NIC Card'], correct: 1 }, { id: 46, text: 'What does DMA stand for?', options: ['Distinct Memory Access', 'Direct Memory Access', 'Direct Module Access', 'Direct Memory Allocation' ], correct: 1 }, { id: 47, text: 'Which of the following is a storage device?', options: ['Tape', 'Hard Disk', 'Floppy Disk', 'All of the above'], correct: 3 }, { id: 48, text: 'When did John Napier develop logarithm?', options: ['1416', '1614', '1641', '1804'], correct: 1 }, { id: 49, text: 'A normal CD-ROM usually can store up to _____ data?', options: ['680 KB', '680 Bytes', '680 MB', '680 GB'], correct: 2 }, { id: 50, text: 'MIS is designed to provide information needed for effective decision making by …', options: ['Consumers', 'Workers', 'Foremen', 'Managers'], correct: 3 }]; // ============================================================ // STATE // ============================================================ const state = { currentIndex: 0, answers: new Array(questions.length).fill(null), submitted: new Array(questions.length).fill(false), correct: new Array(questions.length).fill(false), totalCorrect: 0, totalWrong: 0, totalAttempted: 0, quizEnded: false }; // ============================================================ // DOM refs // ============================================================ const container = document.getElementById('questionsContainer'); const progressFill = document.getElementById('progressFill'); const progressText = document.getElementById('progressText'); const prevBtn = document.getElementById('prevBtn'); const nextBtn = document.getElementById('nextBtn'); const resultsContainer = document.getElementById('resultsContainer'); const finalScore = document.getElementById('finalScore'); const correctCount = document.getElementById('correctCount'); const wrongCount = document.getElementById('wrongCount'); const attemptedCount = document.getElementById('attemptedCount'); const resultMessage = document.getElementById('resultMessage'); const restartBtn = document.getElementById('restartBtn'); const navRow = document.getElementById('navRow'); const letters = ['a', 'b', 'c', 'd']; // ============================================================ // RENDER // ============================================================ function render() { const q = questions[state.currentIndex]; const idx = state.currentIndex; const selected = state.answers[idx]; const isSubmitted = state.submitted[idx]; const isCorrect = state.correct[idx]; let html = ``; html += ` Question ${idx + 1} of ${questions.length}`; html += `${q.text}`; html += ``; q.options.forEach((opt, oi) => { let classes = 'option'; let checkIcon = ''; if (selected === oi) classes += ' selected'; if (isSubmitted) { classes += ' disabled'; if (oi === q.correct) { classes += ' correct-answer'; checkIcon = ``; } else if (selected === oi && oi !== q.correct) { classes += ' wrong-answer'; checkIcon = ``; } } const letter = letters[oi]; html += ` ${letter} ${opt} ${checkIcon} `; }); html += ``; if (isSubmitted) { const msg = isCorrect ? '✅ Correct!' : `❌ Oops! The correct answer was “${q.options[q.correct]}”.`; const cls = isCorrect ? 'correct' : 'wrong'; html += ` ${msg} `; } html += ``; container.innerHTML = html; // ---- update progress ---- const answered = state.submitted.filter(v => v === true).length; const pct = Math.round((answered / questions.length) * 100); progressFill.style.width = pct + '%'; progressText.textContent = `${answered} / ${questions.length}`; // ---- nav buttons ---- prevBtn.disabled = state.currentIndex === 0; if (state.currentIndex === questions.length - 1 && state.quizEnded) { nextBtn.textContent = '🏁 Finish'; nextBtn.className = 'btn btn-success'; nextBtn.disabled = false; } else if (state.currentIndex === questions.length - 1) { nextBtn.textContent = 'See Results'; nextBtn.className = 'btn btn-success'; nextBtn.disabled = false; } else { nextBtn.textContent = 'Next →'; nextBtn.className = 'btn btn-primary'; nextBtn.disabled = false; } // ---- attach option click events ---- document.querySelectorAll('.option:not(.disabled)').forEach(el => { el.addEventListener('click', function(e) { const qIdx = parseInt(this.dataset.q); const optIdx = parseInt(this.dataset.opt); if (state.submitted[qIdx]) return; state.answers[qIdx] = optIdx; render(); }); }); const allSubmitted = state.submitted.every(v => v === true); if (allSubmitted && !state.quizEnded) { state.quizEnded = true; nextBtn.textContent = '🏁 See Results'; nextBtn.className = 'btn btn-success'; } } // ============================================================ // CHECK CURRENT // ============================================================ function checkCurrent() { const idx = state.currentIndex; if (state.submitted[idx]) return; const selected = state.answers[idx]; if (selected === null) { const card = document.querySelector('.question-card'); card.style.borderColor = '#f59e0b'; card.style.boxShadow = '0 0 0 3px rgba(245, 158, 11, 0.25)'; setTimeout(() => { card.style.borderColor = ''; card.style.boxShadow = ''; }, 600); return; } const q = questions[idx]; const isCorrect = selected === q.correct; state.submitted[idx] = true; state.correct[idx] = isCorrect; if (isCorrect) state.totalCorrect++; else state.totalWrong++; state.totalAttempted++; render(); } // ============================================================ // NAVIGATION // ============================================================ function goTo(index) { if (index = questions.length) return; state.currentIndex = index; render(); } function next() { if (!state.submitted[state.currentIndex]) { checkCurrent(); const allSubmitted = state.submitted.every(v => v === true); if (allSubmitted && state.currentIndex === questions.length - 1) { state.quizEnded = true; render(); return; } if (!state.submitted[state.currentIndex]) return; } if (state.currentIndex === questions.length - 1) { showResults(); return; } goTo(state.currentIndex + 1); } function prev() { if (state.currentIndex > 0) goTo(state.currentIndex - 1); } // ============================================================ // RESULTS // ============================================================ function showResults() { for (let i = 0; i < questions.length; i++) { if (!state.submitted[i]) { state.currentIndex = i; render(); return; } } state.quizEnded = true; document.getElementById('questionsContainer').style.display = 'none'; navRow.style.display = 'none'; document.querySelector('.progress-wrapper').style.display = 'none'; resultsContainer.classList.add('show'); finalScore.innerHTML = `${state.totalCorrect} / ${questions.length}`; correctCount.textContent = state.totalCorrect; wrongCount.textContent = state.totalWrong; attemptedCount.textContent = state.totalAttempted; const pct = Math.round((state.totalCorrect / questions.length) * 100); let msg = ''; if (pct === 100) msg = '🌟 Perfect! You are a computer fundamentals master!'; else if (pct >= 80) msg = '🎉 Excellent! Strong knowledge of core concepts.'; else if (pct >= 60) msg = '👍 Good job! Keep reviewing to sharpen your skills.'; else if (pct >= 40) msg = '📚 Not bad! Revisit the topics and try again.'; else msg = '💪 Keep learning! Computer basics take time.'; resultMessage.textContent = msg; } // ============================================================ // RESTART // ============================================================ function restart() { state.currentIndex = 0; state.answers = new Array(questions.length).fill(null); state.submitted = new Array(questions.length).fill(false); state.correct = new Array(questions.length).fill(false); state.totalCorrect = 0; state.totalWrong = 0; state.totalAttempted = 0; state.quizEnded = false; document.getElementById('questionsContainer').style.display = 'block'; navRow.style.display = 'flex'; document.querySelector('.progress-wrapper').style.display = 'flex'; resultsContainer.classList.remove('show'); render(); } // ============================================================ // KEYBOARD SHORTCUTS // ============================================================ document.addEventListener('keydown', (e) => { if (e.key === 'ArrowRight' || e.key === ' ') { e.preventDefault(); next(); } else if (e.key === 'ArrowLeft') { e.preventDefault(); prev(); } else if (e.key >= '1' && e.key

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