SECONDARY SCHOOL TEACHER SST IT PAST PAPER 28-02-2021
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
کون سا آلہ ہے جو دو یا زیادہ نیٹ ورکس کو مختلف قسم کے پروٹوکول سے جوڑتا ہے؟
- Gateway
- Bridge
- Router
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Gateway — connects networks with different protocols; performs protocol conversion (works up to the application layer).
Additional information:
- Bridge — connects networks using the same protocol (data link layer).
- Router — connects networks using the same protocol, typically IP (network layer).
Last updated NA on 10-09-2026
قرآن پاک کی سب سے لمبی سورت کون سی ہے؟
- Kousar
- Baqarah
- Al Imran
- None of the above
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Surah Al-Baqarah is the longest chapter (surah) in the Holy Quran
- Chapter Number: 2nd chapter in the Quran.
- Meaning: "The Cow" or "The Heifer".
- Verse Count: 286 verses (ayat).
- Length: Spans about 2.5 parts (juz') of the Quran
- .Place of Revelation: Madinah.
- It derives its name from the story of the cow (vv. 67-73).
- Verse 282, the longest verse, is known as 'āyatu d-dayn.
- It consists of 25,500 letters.
- The chapter has 40 Rukus.
Additional information:
- Surah Al-Kausar is the shortest surah of the Holy Quran.
- Surah Aal-e-Imran is the second-longest surah of the Holy Quran.
Last updated NA on 10-09-2026
آئی ایس ڈی این کا مطلب کیا ہے؟
- Internet Services Data Network
- International Standard Digital Network
- Integrated Services Digital Network
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- ISDN stands for Integrated Services Digital Network.
- It is a set of communication standards.
- It transmits voice, video, and data simultaneously.
Last updated NA on 10-09-2026
آخری عمل کو واپس کرنے کا شارٹ کٹ کیا ہے؟
- Ctrl + Z
- Ctrl + C
- Ctrl + V
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- The shortcut key for Undo (last action reverse) is Ctrl + Z in most computer systems.
- It is used to cancel the last mistake or action.
Additional information:
- Ctrl + P = Print
- Ctrl + Y = Redo
- Ctrl + S = Save
- Ctrl + C = Copy command
- Ctrl + V = Paste
- Ctrl + C = Copy
- Ctrl + X = Cut
- Ctrl + Y = Redo
Last verified on 10-06-2026
کمپیوٹر اور کی بورڈ کے درمیان رابطہ کس قسم کا ہوتا ہے؟
- Full-duplex
- Simplex
- Half-duplex
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Communication between a keyboard and computer is simplex.
- It means data flows in one direction only — from keyboard to computer.
- The computer does not send data back to the keyboard during typing.
Additional information:
There are 3 main data transmission modes:
- Simplex: Data flows in one direction only (e.g., keyboard to computer).
- Half-Duplex: Data can flow both ways, but not at the same time (e.g., walkie-talkies).
- Full-Duplex: Data flows both ways simultaneously (e.g., telephone conversations).
Last verified on 17-06-2026
- To
- At
- For
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- The phrase accustomed ended with “To” and is followed by “ing” form of a verb.
- Accustomed to something means کسی چیز کا عادی ہونا
- I am not accustomed to being interrupted.
Last verified on 12-05-2026
شملہ ڈیپوٹیشن کی قیادت کس نے کی؟
- Allama Iqbal
- Sir Agha Khan
- Rehmat Ali
- Sir Syed Ahmad
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- The Simla Deputation met the Viceroy of India on 1 October 1906.
- It was led by Sir Aga Khan III.
- The delegation consisted of about 35 members.
- First, the group met the Principal of Aligarh College (MAO College).
- The Principal arranged the meeting through Colonel Dunlop (Secretary to Viceroy), and then the delegation met Lord Minto.
- Since the meeting took place at Simla, it was called the Simla Deputation.
Last verified on 02-05-2026
بینڈوتھ عام طور پر _____ میں ماپا جاتا ہے؟
- Cycles per second
- Bits per second
- Bytes per second
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Bandwidth refers to the amount of data transmitted per second.
It is measured in bits per second (bps).
It indicates the speed or capacity of a network connection.
Last updated 15-feb-2026
پہلا الیکٹرانک کمپیوٹر کیا کہلاتا تھا؟
- MAC
- ENIAC
- IBM
- Apple
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- The first general-purpose electronic digital computer was the ENIAC
- ENIAC stands for Electronic Numerical Integrator and Computer
- Completion Year: Finished in 1945 and announced publicly in 1946.
- Creators: Designed and built by John Mauchly and J. Presper Eckert
- At the University of Pennsylvania.
Last updated by NA on 09-09-2026
مائیکرو پروسیسر کمپیوٹر کی کس نسل میں متعارف کرائے گئے؟
- Second Generation
- Fourth Generation
- Third Generation
- Both (A) and (B)
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Microprocessors are used in many other electronic devices, including:
- Computers,
- Digital systems,
- Calculators
Inventor of Microprocessors: Marcian E Hoff
Microprocessors in 4th generation computer.
AGM 09-2-2023