Class 9 · कंप्यूटर · 255+ Q&A
IT basics, hardware, software, internet safety and MS Office for Class 9. Showing 5 of 5 on page 1 / 1.
Page 1 of 1 · 5 questions in this view
System software (OS, drivers, utilities) manages hardware and other programs. Application software (Word, browser, games) does user tasks. Applications need an OS. Example pair: Windows + MS Excel.
A compiler translates a whole high-level program into machine code before running. An interpreter translates and runs line by line. Compilers often catch many errors in one pass; interpreters are handy for learning and scripts.
A driver is system software that lets the OS control a specific device, such as a model of printer or webcam. After connecting new hardware the lab may need the correct driver. Without it the device may be invisible or limited.
Programs for user jobs: MS Word, Excel, PowerPoint, a browser, a painting tool, Tux typing, a school ERP. They cannot boot the machine alone. Choose legal copies.
An algorithm is a finite clear sequence of steps. Step 1: read A, B, C. Step 2: set Max = A. Step 3: if B > Max then Max = B. Step 4: if C > Max then Max = C. Step 5: print Max. Then a program can follow it.
Class 9 Computer में कितने प्रश्न हैं? 255 महत्वपूर्ण प्रश्न: 174 MCQ, 50 लघु, 31 दीर्घ।
उत्तर कहाँ हैं? हर प्रश्न के नीचे View the correct answer दबाएँ। पहले स्वयं लिखें, फिर मिलाएँ।
पेज क्यों बँटे हैं? एक स्क्रीन पर 20 प्रश्न। बाकी Page 2, 3 पर — स्क्रॉल छोटा रहता है।
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