PPSC ASSISTANT DIRECTOR (ACCOUNTS) / LECTURER PSYCHOLOGY (BS-17) Past Papers 2024
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Which type of signals typically travel through traditional telephone lines?
روایتی ٹیلیفون لائنوں کے ذریعے عام طور پر کون سے سگنلز منتقل ہوتے ہیں؟
(A) Digital signals
(B) Binary signals
(C) Analog signals
(D) Pulse signals
The Answer Is: (C) Analog signals
Explanation: Traditional telephone lines primarily use analog signals for transmission of voice.
Which process is used to convert digital signals into analog signals for transmission over communication channels?
ڈیجیٹل سگنلز کو اینالاگ سگنلز میں تبدیل کرنے کے لیے کون سا عمل استعمال ہوتا ہے؟
(A) Modulation
(B) Encoding
(C) Decoding
(D) Multiplexing
The Answer Is: (A) Modulation
Explanation: Modulation converts digital signals into analog signals for transmission over mediums like telephone lines.
Eigenvalues of a real symmetric matrix are:
کسی حقیقی سممیٹرک میٹرکس کے Eigenvalues کیا ہوتے ہیں؟
(A) Complex
(B) Real
(C) Positive
(D) Negative
The Answer Is: (B) Real
Explanation: Eigenvalues of a real symmetric matrix are always real, according to linear algebra principles.
A compound proposition that is neither a tautology nor a contradiction is called:
ایک کمپاؤنڈ پراپوزیشن جو نہ تو لازمی صداقت ہے اور نہ ہی تضاد، اسے کیا کہا جاتا ہے؟
(A) Equivalence
(B) Condition
(C) Contingency
(D) Inference
The Answer Is: (C) Contingency
Explanation: A contingency is a compound proposition that can be true or false depending on the truth values of its components.
What is the ratio of 12 minutes to 1 hour?
12 منٹ اور 1 گھنٹے کا تناسب کیا ہے؟
(A) 1:6
(B) 1:12
(C) 1:5
(D) 1:9
The Answer Is: (A) 1:5
Explanation: 1 hour equals 60 minutes. The ratio of 12 minutes to 60 minutes is 1:5.
Adver
The pair of words that matches the relationship: Elusive : Capture
Elusive : Capture کے رشتے کے لیے موزوں الفاظ کا جوڑا منتخب کریں۔
(A) Headstrong : Control
(B) Sensible : Decide
(C) Elastic : Stretch
(D) Gullible : Trick
The Answer Is: (A) Headstrong : Control
Explanation: Just as something elusive resists capture, a headstrong individual resists control.
She has not been waiting ___ two years.
وہ دو سال سے ___ انتظار نہیں کر رہی ہے۔
(A) Since
(B) For
(C) Until
(D) Within
The Answer Is: (B) For
Explanation: The preposition "for" is used to indicate a period of time, such as two years.
CNG burns less efficiently than which gas?
CNG کس گیس کے مقابلے میں کم مؤثر طریقے سے جلتا ہے؟
(A) Hydrogen
(B) Propane
(C) Methane
(D) Butane
The Answer Is: (C) Methane
Explanation: CNG (Compressed Natural Gas) is less efficient in combustion compared to methane, its primary component in a pure state.
What theme is Shah Hatim's poetry generally based on?
شاہ حاتم کی شاعری کا عمومی موضوع کیا ہے؟
(A) Romantic love and nature
(B) Human emotions, ethics, and societal issues
(C) Political ideologies and revolutions
(D) Religious rituals and ceremonies
The Answer Is: (A) Romantic love and nature
Explanation: Shah Hatim's poetry often delves into romantic themes and explores the beauty of nature.
Which regular expressions belong to R where R = ab + cb?**
کون سے ریگولر ایکسپریشن R = ab + cb کے تحت آتے ہیں؟**
(A) ab
(B) abb
(C) cb
(D) All of these
The Answer Is: (D) All of these
Explanation: All options satisfy the given regular expression R, which includes strings starting with "a" followed by zero or more "b"s and "c" followed by zero or more "b"s.
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