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A. All of the above
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B. Forms
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C. Queries
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D. Tables
Explanation
Within an Access database file, you can use:
- Tables to store your data.
- Queries to find and retrieve just the data that you want.
- Forms to view, add, and update data in tables.
- Reports to analyze or print data in a specific layout.
منتخب سیل رینج سے چارٹ بنانے کے لیے کی بورڈ شارٹ کٹ کیا ہے؟
Explanation
Excel allowed you to create a chart by selecting the data and pressing the F11 key
Alt+F1. The chart is added to the worksheet and is listed in the Selection pane.
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ND16-1-2023
سپر کلید کا سب سیٹ امیدوار کلید کس حالت میں ہے؟
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A. All subsets are super keys
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B. Subset is a super key
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C. No proper subset is a super key
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D. Each subset is a super key
Explanation
DBMS Keys:
Primary Key: A primary is a column or set of columns in a table that uniquely identifies tuples (rows) in that table.
Super Key: A superkey is a set of one or more columns (attributes) to uniquely identify rows in a table.
Candidate Key: A super key with no redundant attribute is known as a candidate key
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ND03-12-2022
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A. Bandwidth
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B. Data Capacity
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C. Transmission Rate
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D. Bitrate
Explanation
Bandwidth describes the maximum data transfer rate of a network or Internet connection.
It is the amount of data that can be passed along a communications line at any given period.
پی سی میں ڈیٹا پروسیس کرنے کے لیے کون سی ڈیوائس استعمال ہوتی ہے؟
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A. VDU
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B. DCU
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C. RAM.
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D. CPU.
Explanation
- CPU is used to process data in the PC
- ***
- The processor, more formally known as the central processing unit (CPU)
- A processing device is any device inside a computer that interprets and manipulates incoming data during this stage.
ڈیٹا کو ایک نئی ترتیب میں دوبارہ ترتیب دینے کے نام کو کیا کہا جاتا ہے؟
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A. Sorting
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B. Summaring
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C. Uploading
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D. Updating
Explanation
- The arranging of data in a logical sequence is called Sorting.
- ****
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- Sorting is the process of rearranging a sequence of objects so as to put them in some logical order.
- Sorting plays a major role in commercial data processing and in modern scientific computing
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A. Starting point
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B. Basic Time
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C. Analogue time
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D. Access Time
Explanation
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A. Java
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B. Oracle
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C. Assembly
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D. PHP
Explanation
Table in database must have a primary key.
ترجیحی قطار بنانے کے لئے مندرجہ ذیل میں سے کون سا ڈیٹا ڈھانچہ بہترین ہے؟
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A. Array
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B. Binary Heap
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C. None of these
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D. Linked List
Explanation
A Binary Heap is the most efficient data structure for implementing a priority queue.
It allows both insertion and extraction of the highest (or lowest) priority element in O(log N) time, which makes it ideal for this purpose.
ڈیٹا فالتو پن سے کیا مراد ہے؟
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A. Increasing the speed of data retrieval
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B. Removing unnecessary data from a system
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C. Encrypting data for security
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D. Storing the same data in multiple places within a system
Explanation
Data Redundancy is the unnecessary duplication of data within a database or system.
It occurs when the same piece of data is stored in multiple locations
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