24 प्रश्न: 12 विकल्प, 6 लघु, 6 दीर्घ। प्रत्येक प्रश्न पर वर्ष टैग।
Which of the following is an input device?
सही विकल्प: C — Scanner / स्कैनर
A scanner sends data into the computer; monitor, speaker and printer are output. / स्कैनर आँकड़े अंदर भेजता है।
The brain of the computer is the
सही विकल्प: B — CPU
The Central Processing Unit fetches, decodes and executes instructions. / CPU निर्देश चलाता है।
Which memory is volatile?
सही विकल्प: C — RAM
RAM loses its contents when power is cut; ROM and disks keep data. / बिजली जाने पर RAM खाली।
MS Word is an example of
सही विकल्प: B — Application software / एप्लिकेशन सॉफ्टवेयर
Word is an application used to write documents; Windows is system software. / Word दस्तावेज़ बनाने का अनुप्रयोग है।
An operating system mainly
सही विकल्प: B — Manages hardware and software resources / हार्डवेयर-सॉफ्टवेयर संसाधन चलाता है
The OS is the manager between user programs and hardware. / OS संसाधनों का प्रबंधक है।
HTTP is a protocol used for
सही विकल्प: B — Browsing web pages
HyperText Transfer Protocol carries web pages between server and browser. / वेब पेज लाने का नियम।
A correct email address looks like
सही विकल्प: B — student@school.com
user@domain is the standard mailbox form. / नाम@डोमेन।
The shortcut to copy selected text in MS Word is
सही विकल्प: B — Ctrl + C
Ctrl+C copies, Ctrl+X cuts, Ctrl+V pastes, Ctrl+S saves. / कॉपी = Ctrl+C।
In Excel the cell at column C and row 5 is named
सही विकल्प: B — C5
A cell address is column letter + row number: C5. / अक्षर फिर संख्या।
The binary number 1011 equals which decimal value?
सही विकल्प: C — 11
8+0+2+1 = 11. / 1×8 + 0×4 + 1×2 + 1×1 = 11।
A strong password should
सही विकल्प: B — Mix letters, digits and a symbol / अक्षर, अंक और चिह्न
Length plus mix of character types slows guessing. Never share it. / मिला-जुला और गुप्त रखें।
LAN usually covers
सही विकल्प: C — A room or campus / कमरा या परिसर
Local Area Network is a school lab or office building; WAN is wider. / LAN स्थानीय होता है।
Differentiate between input and output devices with two examples each.
Input sends data in: keyboard, mouse, scanner, mic. Output shows results: monitor, printer, speaker. Some devices (touch screen) do both. / अंदर भेजना बनाम बाहर दिखाना।
What is the difference between system software and application software?
System software (OS, device drivers) runs the machine and other programs. Application software (Word, browser, Tally) does a user job. You cannot usefully run Word without an OS. / OS मशीन चलाता है; ऐप काम करता है।
Write any four uses of the Internet for a Class 10 student.
Search NCERT notes, send homework by email, join a video class, practise an online test, and check the official UP Board site for dates. Use it for study, not only videos. / पढ़ाई, ई-मेल, कक्षा, टेस्ट, आधिकारिक सूचना।
Write the steps to save a document and to change it to bold.
Save: File → Save (or Ctrl+S), choose folder, type a name, Save. Bold: select text, press Ctrl+B or click B on the Home ribbon. / सहेजना Ctrl+S; मोटा Ctrl+B।
What is an algorithm? Write three steps to find the larger of two numbers.
An algorithm is a finite, clear list of steps to solve a problem. 1) Read A and B. 2) If A ≥ B print A else print B. 3) Stop. / सीमित स्पष्ट चरण।
Why do we need both RAM and secondary storage?
RAM is fast and holds the running program, but it empties on shutdown. A hard disk or SSD keeps files for years. The OS loads a file from disk into RAM when you open it. / RAM तेज-अस्थायी; डिस्क स्थायी।
Describe the four main parts of a computer system and how data moves among them.
Input devices collect data (keys, mouse). The CPU processes it in the ALU and control unit, using RAM as a work-table. Output devices show results. Secondary storage keeps programs and files when the power is off. A typical path: type in Word (input) → CPU + RAM edit the page → you see it on the monitor (output) → Ctrl+S writes the file to disk. / इनपुट → CPU/RAM → आउटपुट; डिस्क सहेजती है।
Explain four safe habits for school students on the Internet.
Do not share OTP, password or Aadhaar photos in chat. Check the padlock and the real school/board URL before typing a login. Do not download unknown .exe files. If a message asks for money or threats, tell a teacher or parent — it is often a scam. Keep the OS and browser updated and use a unique password for email. / OTP न दें, असली साइट देखें, अज्ञात फाइल न चलाएँ, वयस्क को बताएँ।
How can MS Word and MS Excel help a High School student prepare a project?
Word is for the write-up: headings, page numbers, a table of contents, and pictures of an experiment. Excel is for data: a mark list, a simple bar chart of rainfall, or a formula =SUM(B2:B10) for totals. Export the chart into Word so the project has both text and numbers. Save two copies (pen-drive and email). / Word लेख; Excel तालिका-चार्ट; दोनों जोड़ें।
What is a computer network? Distinguish LAN, MAN and WAN with one example each.
A network links computers so they can share files, printers and the Internet. LAN: a school computer lab on one campus. MAN: a city cable network linking several offices. WAN: the Internet, or a bank linking branches across India. Speed is usually highest on a small LAN; WAN needs routers and a service provider. / LAN परिसर, MAN शहर, WAN देश/विश्व।
Why do computers use binary? Convert decimal 13 to binary and binary 1101 to decimal.
A circuit is easily built as ON/OFF, so two symbols 1 and 0 are enough. Decimal 13: 13÷2 remainders 1,0,1,1 → read upwards 1101. Binary 1101: 1×8 + 1×4 + 0×2 + 1×1 = 13. Show the division table in the answer book. / ON-OFF = 0-1; भाग का शेष उल्टा पढ़ें।
What is a file and a folder? Write four tasks an operating system does with files.
A file is a named collection of bytes (notes.docx, photo.jpg). A folder (directory) groups files. The OS lets you create, rename, copy, move and delete files; it also keeps permissions so one student cannot wipe another’s work, and it remembers the path (D:\Class10\Project). Recycle Bin is a safety folder before permanent delete. / फाइल = आँकड़े; फोल्डर = समूह; OS बनाता-मिटाता-सुरक्षित रखता है।
MCQ पर टैप करें — सही हरा, गलत लाल। फिर “हल देखें” से वर्ष और उत्तर खोलें। पेपर टेस्ट से पूरा खण्ड अ/ब/स एक साथ करें।
कंप्यूटर के रिपीटेड प्रश्न कैसे पढ़ें?
ऊपर से चैप्टर या प्रश्न-प्रकार चुनें। MCQ पर टैप करें। हल में वर्ष और संक्षिप्त उत्तर दिखेगा।
बोर्ड जैसा पेपर कहाँ है?
“बोर्ड पेपर जैसा टेस्ट” खोलें — खण्ड अ/ब/स, अंक और समय उसी शैली में।
Follow this loop every day: mixed test, current affairs, then today's subject. A new set arrives tomorrow.
After this page, use these three links — do not open a random page.
More sets from the same cluster — stay on this topic.
Timed papers with a scorecard — start any time, then return to a related quiz above.
