کمپیوٹر کو دوبارہ شروع کرنے کے لیے کون سی شارٹ کٹ کی استعمال ہوتی ہے؟
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A. Ctrl + F4
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B. Alt + F6
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C. Ctrl+Alt+Delete.
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D. None of above
Explanation
The combination of keys used for restarting the computer is Ctrl+Alt+Delete
while
Press Alt + F4 to get the Shutdown Windows screen and select Shut down
سسٹمز تھیوری آف مینجمنٹ میں کیا شامل ہے۔
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A. All
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B. the use of objectives or standards of performance describing what is being achieved
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C. the manager as the control mechanism
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D. Both
Explanation
A systems theory of management includes
the manager as the control mechanism
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A. System call
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B. All
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C. executing a trap instruction
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D. message passing
Explanation
When a computer application is running, it is in the user mode.
Some examples are word application, PowerPoint, reading a PDF file and browsing the internet.
These are application programs so the computer is in user mode.
صوتی میل سسٹم میں ایک صوتی میل باکس کونسا ہے۔
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A. Hard disk
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B. Processor
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C. Storage location on a hard disk
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D. None
Explanation
voice mail, Electronic system for recording oral messages sent by telephone.
Typically, the caller hears a prerecorded message and then has an opportunity to leave a message in return.
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A. Communications
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B. Wires
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C. control unit connection
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D. CPU interconnection
Explanation
CPU interconnection is some mechanism that provides for communication among the control unit, ALU and registers.
CPU stands for Central Processing Unit.
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A. میموری
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B. مانیٹر
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C. سی پی یو
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D. یہ تمام اجزاء
Explanation
کمپیوٹر ایک برقیاتی آلہ جو حساب کے سوال اور پیچیدہ شماریاتی مسئلے، مقررہ اور پروگرامی ہدایات کے مطابق ،آسانی سے حل کر لیتا ہے.
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A. Maximizes network efficiency
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B. Fixes security holes
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C. Synchronizes the server
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D. Speeds up folder access
Explanation
A server is a computer program or device that provides a service to another computer program and its user, also known as the client.
In a data center, the physical computer that a server program runs on is also frequently referred to as a server.
کمپیوٹر سسٹم میں کنٹرول بس کا بنیادی کام کیا ہے؟
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A. Perform arithmetic
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B. Transmit commands and control signals
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C. Store memory
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D. Transfer data
Explanation
The control bus is a crucial component of a computer system that communicates with other elements, such as the CPU, memory, and input/output devices.
Its primary function is to transmit control signals.
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A. Datasheet view
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B. Table
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C. Form
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D. Data dictionary
Explanation
The data dictionary is a part of a DBMS that stores metadata — details like table names, field names, data types, constraints, and relationships.
It helps the system manage and understand the structure of the database.
ڈی ایف ڈی کا مطلب _____ ہے؟
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A. Data Float Diagram
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B. None of these
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C. Delete Flow Diagram
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D. Data Flow Diagram
Explanation
DFD stands for Data Flow Diagram.
It is used to represent the flow of data in a system.
It shows how data moves between processes, data stores, and external entities.
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