SPSC Senior Computer Operator Past Paper 14-01-2025

Q31: Which protocol is used to establish a secure channel of communication over a potentially insecure network?

ممکنہ طور پر غیر محفوظ نیٹ ورک پر مواصلات کا ایک محفوظ چینل قائم کرنے کے لیے کون سا پروٹوکول استعمال کیا جاتا ہے؟

SSL/TLS

DHCP

FTP

None of these

Q32: In a multi-user environment, what is a common method to ensure fair CPU time allocation among users?

ایک کثیر صارف ماحول میں، صارفین کے درمیان منصفانہ سی پی یو وقت کی تقسیم کو یقینی بنانے کا ایک عام طریقہ کیا ہے؟

Priority Scheduling

Shortest Job Next Scheduling

Round Robin Scheduling

None of these

Q33: What is a "Kernel Panic" in the context of operating systems?

آپریٹنگ سسٹم کے تناظر میں "کرنل پینک" کیا ہے؟

A sudden loss of network connectivity

A failure in data synchronization

A system crash caused by critical errors in the OS kernel

None of these

Q34: What is the output of the following python code? a= [1, 2, 3, 4] b= [num * 2 for num in a if num % = = θ] print(b)

[2, 6]

[2, 4, 6]

[4, 8]

None of these

The list comprehension iterates through a, checks if num is even (num % 2 == 0), and if true, multiplies num by 2.

Q35: Which artificial intelligence concept involves agent operating in an environment to achieve a goal?

کس مصنوعی ذہانت کے تصور میں کسی مقصد کو حاصل کرنے کے لیے ماحول میں کام کرنے والا ایجنٹ شامل ہے؟

Unsupervised Learning

Reinforcement Learning

Natural Networks

None of these

Q36: What is the output of the following C code? int main () { int x = 5; printf("%dn", x++); return 0;

Undefeated behavior

0

5

None of these

Q37: Which of the following is a characteristic of a non-clustered index?

مندرجہ ذیل میں سے کون سا غیر کلسٹرڈ انڈیکس کی خصوصیت ہے؟

It cannot be created on a table with a clustered index

The physical order of rows is different from the index order

The physical order of rows is same from the index order

None of these

Q38: In a JK flipflop, what happens if both J and K inputs are held high while the clock pulse is applied?

The output toggles

The output is reset to 0

The output is set to 1

None of these

Q39: What is the correct syntax to access the value at address ptr in C, where ptr is a pointer?

©ptr

*ptr

ptr*

None of these

Q40: Which type of software development methodology focuses on iterative development and continous feedback?

سافٹ ویئر کی ترقی کا طریقہ کار کس قسم کی تکراری ترقی اور مسلسل آراء پر مرکوز ہے؟

Agile Methodology

Waterfall Model

Spiral Model

None of these