All MCQs - JEST Past Papers Practice | PakExamPoint

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All MCQs and revision practice

Study All through multiple-choice questions in JEST Past Papers. This subtopic contains 992 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.

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991. Time-sharing operating systems can also be considered as?

ٹائم شیئرنگ آپریٹنگ سسٹم کو کس قسم کے سسٹم کے طور پر بھی جانا جاتا ہے؟

Check answer and explanation

Answer: Multitasking

Explanation Multitasking OS → Runs multiple tasks simultaneously ( time-sharing ) Single-tasking OS → Runs one task at a time Real-time OS → Responds instantly to inputs Batch Processing OS → Processes jobs in groups Time-sharing OS → Shared CPU time among users Last verified on 12-04-2026

992. Which tool (device) has been used in the second generation of computers?

کمپيوڻر کی دوسری جنريشن ميں کونسا اوزار (ڈوائيس) استعمال کيا گيا ہے؟

Check answer and explanation

Answer: ٹرانجسٹر

Explanation ایک ٹرانجسٹر کمپیوٹر، جسے اب اکثر دوسری نسل کا کمپیوٹر کہا جاتا ہے۔ ایک ایسا کمپیوٹر ہے جو ویکیوم ٹیوب کے بجائے مجرد ٹرانزسٹر استعمال کرتا ہے۔ ND2-03-2023

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