Practise Information Technology (IT) MCQs in Computer. Attempt multiple-choice questions, check answers and revise related subtopics.
Study Information Technology (IT) through multiple-choice questions in Computer. This subtopic contains 2241 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.
Use these Information Technology (IT) MCQs to identify the facts, rules or methods you need to revise. Where an explanation is available, work through it and write down why your chosen option was correct or incorrect. Revisit difficult questions after reviewing your notes, then use exam mode for timed practice.
Continue your revision with related topics: 100 Most Repeated Computer MCQs MCQs, Computer Basic Hardware Components MCQs, Computer Short Questions MCQs, Computer Shortcut Keys MCQs, Important Abbreviations (Computer) MCQs, Internet and Social Media MCQs, Internet related Information MCQs, MS Access MCQs.
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مندرجہ ذیل میں سے کون سا ڈیٹا کی گرافیکل نمائندگی ہے؟
Answer: Chart
Explanation A chart is a graphical representation of data. It typically used to visualize information clearly and concisely.
مندرجہ ذیل میں سے کون سا ایک قسم کا سافٹ ویئر ہے جو کمپیوٹر سسٹم سے معلومات کو نقصان پہنچانے یا چوری کرنے کے لئے ڈیزائن کیا گیا ہے؟
Answer: Malware
Explanation Malware is harmful software created to damage, disrupt, or steal information from a computer system. It includes viruses, worms, spyware, ransomware, and trojans .
Answer: Data is from a valid source
Explanation Data authentication is the process of verifyin g the origin and integrity of data, Ensuring that it comes from a legitimate sender and has not been tampered with or altered during transmission. Data origin authentication proves tha t the stated sender is the source of the data. Data integrity ensures the data has not been modified. Data encryption (Option B) is a separate mechanism used for confidentiality, not for direct authentication.
Answer: 0(N²)
Explanation In a nested for-loop , the inner loop executes N times for each iteration of the outer loop. This results in a total of N × N = N² iterations, making the time complexity O(N²).
ڈیجیٹل سگنلز کو اینالاگ سگنلز میں تبدیل کرنے والی ڈیوائس کا کیا نام ہے؟
Answer: Modem
Explanation A Modem ( Modulator-Demodulator ) converts digital signals into analog signals and vice versa. It is used to connect computers to the internet via telephone lines or other networks. Additional information : Switch – connects multiple devices in a network Hub – basic network connector Repeater – boosts signal strength Router – directs internet traffic Last verified on 19-04-2026
آٹھ بٹس ایک بائٹ بناتے ہیں، جس میں کتنے حروف ہو سکتے ہیں۔
Answer: 256
Explanation ASCII is a coding system which provides 128 different characters. ASCII stand for American Standard Code for Information Interchange. right answer is 256 . AGM 17-12-2022
کون سی ٹیکنالوجی ٹچ اسکرین میں استعمال ہوتی ہے تاکہ ایک وقت میں کئی انگلیوں کے اشارے ممکن ہوں؟
Answer: Capacitive Touch
Explanation Capacitive touchscreens detect changes in electrical charge from the human finger. They allow multi-touch gestures like pinch, zoom, and swipe. Resistive touchscreens only detect single-point pressure. Capacitive screens are used in smartphones, tablets, and modern touch devices.
ای میل کو دو حصوں میں تقسیم کرنے کے لیےکیااستعمال ہوتا ہے؟
Answer: @
Explanation E-mail stands for: Electronic Mail Father of E-mail: Ray Tomlinson First E-mail sent: 1971 @ is used to divide an email into: two parts SMTP helps to send: E-mails SMTP stands for: Simple Mail Transfer Protocol Received email is saved: inbox Sent email is saved in: sent box Maximum attachment size in Yahoo Email: 25 MB G-mail stands: Google Mail Email spam also called: junk email To close email account click: sign out To create new E-mail: Sign Up Email hacking means: Illegal access to open email accounts of others Junk email is also called: Spam At sign ( @ ): always a part of email address Sending an E-mail is similar to: writing a letter A allows us to access our e-mail from anywhere: Webmail interface Bookmark : is associated with Internet E-mail
کمپیوٹر کی کتنی نسلیں ہیں؟
Answer: 5
Explanation The main electronic component used in first-generation counterparts was Vacuum Tubes and Valves Leo is called the first-generation computer First-generation (1940 - 1956) vacuum tubes as a major piece of technology. The ENIAC is an example of 1st generation computer. The time span of first-generation electronic computers was 1943 to 1959 **** Second generation (1956 - 1963 ) use of transistors . Third generation (1964 - 1971) use of Integrated circuits. Fourth generation (1972 - 2010) use of the microprocessor The fifth generation (2010 to present) use Artificial intelligence **** ND7-5-2023
Answer: 10100
Explanation Binary Conversion (20)₁₀ = ? Let's convert: 1×2⁴ + 0×2³ + 1×2² + 0×2¹ + 0×2⁰ = 16 + 0 + 4 + 0 + 0 = 20 So, ( 10100 )₂ = (20)₁₀
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