INFORMATION TECHNOLOGY (IT)
Information Technology (IT)
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
The output toggles
The output is reset to 0
The output is set to 1
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
In a JK flip-flop , when both J and K inputs are high, the output switches (toggles) between 0 and 1 with each clock pulse. This property makes JK flip-flops ideal for toggle operations in counters.
کس قسم کے حملے میں صارف کو حساس معلومات فراہم کرنے کے لیے دھوکہ دینا شامل ہے؟
DDoS
Phishing
SQL Injection
None of these
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Explanation
Phishing involves deceiving users into revealing sensitive information like passwords or credit card details. It typically uses fake emails, messages, or websites to impersonate trusted entities.
ملٹی تھریڈ والے ماحول میں، تھریڈ سنکرونائزیشن کے بارے میں درج ذیل میں سے کون سا سچ ہے؟
Thread synchronization is not necessary as threads do not share resources
Synchronization is handled automatically by the operating system
Thread synchronization used semaphores and mutexes to prevent race condition
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Synchronization ensures that threads access shared resources safely, avoiding conflicts like race conditions. Tools like semaphores and mutexes are used to control thread access to critical sections.
Relational
Key-Value
Document
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Relational databases use structured tables and SQL. This making them distinct from NoSQL databases. NoSQL types include Key-Value, Document, Column, and Graph databases.
ویب ہوسٹنگ کے لیے عام طور پر کون سا سروس ماڈل استعمال ہوتا ہے؟
IaaS
PaaS
Saas
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Platform as a Service (PaaS) provides the tools and environment to develop, host, and manage web applications. It abstracts underlying infrastructure . It allowing developers to focus on deployment and scaling.
172.16..0 - 172.31.255.255
192.168.0.0 - 192.168.255.255
169.254.0.0 - 169.254.255.255
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
The range 169.254.0.0 - 169.254.255.255 is reserved for APIPA (Automatic Private IP Addressing), not private IPs defined by RFC 1918. Private IP ranges in RFC 1918 include 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16.
110100011
110100001
100100011
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Convert each hexadecimal digit to its 4-bit binary equivalent:
1 → 0001 A (10 in decimal) → 1010 3 → 0011 Combine the binary groups:
Answer: 1A3 (hex) = 110100011 (binary)
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
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Kernel Panic occurs when the operating system kernel encounters an error it cannot recover from. This leading to a system crash . It is often caused by hardware failures, incompatible drivers, or corrupted system files.
Word Art
Macros
Templates
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
In computer programming, a macro (short for "macro instruction") is a rule or pattern that specifies how a certain input should be mapped to a replacement output.
Applying a macro to an input is known as macro expansion.
کمپیوٹر کو ڈیزائر طریقے سے کام کرنے کے لیے لکھے گئے پروگرام کیا کہلاتے ہیں؟
Software
Hardware
Both A and B
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Software is a set of computer programs and associated documentation and data.
This is in contrast to hardware , from which the system is built and which actually performs the work.
