ڈیٹا بیس کو ڈیزائن کرنے کا تیسرا مرحلہ وہ ہے جب ہم اپنی ڈیٹا ٹیبل کا زیادہ قریب سے تجزیہ کرتے ہیں اور ٹیبل کے درمیان ___؟
A. None of these
B. Join
C. Query
D. Relationship
Explanation
The third stage in designing a database is analyzing our tables more closely and creating a between tables.
Show/Hide Explanation
A. to change the face orentire form
B. To develop the document by recording the test with the use of keyboard
C. to bring change in present status of the document
D. to copy the document frommemory to storage medium
Explanation
Saving may take the form of increases in the:
bank deposits,
purchases of securities,
or increased cash holdings.
Show/Hide Explanation
A. None of these
B. Network of network around the world
C. Network of devices in a country
D. Network of devices in an office
Explanation
Network sharing (internet) enables access to information by more than one person through more than one device at the same or at different times
Network sharing is also known as shared resources.
ad hoc network ____ A network is created when two wireless devices connect to each other directly
campus area network (CAN) —A network that consists of multiple LANs
***
ND11-12-2022
Show/Hide Explanation
A. Semiconductor memory
B. All of the above
C. None of the above
D. Magnetic memory
Explanation
A CD-ROM (Compact Disc, read-only-memory) is an optical disc which is designed to store computer data in the form of text or graphics or software data.
A normal CD-ROM usually can store up to data is 680 MB.
****
RY17-012-23
Show/Hide Explanation
ایک ٹیبل سیلز کا گرڈ ہے جس میں کیا ترتیب دیا گیا ہے
A. None of these
B. Both A & B
C. Columns
D. Rows
Explanation
Tables are useful for various tasks such as presenting text information and numerical data.
A table is a grid of cells arranged in rows and columns .
AGM 17-12-2022
Show/Hide Explanation
درج ذیل میں سے کون سا ایک یا زیادہ صفات کا مجموعہ ہے جو کسی ریکارڈ کی منفرد شناخت کے لیے اجتماعی طور پر لیا جاتا ہے؟
A. sub key
B. The foreign key
C. candidate key
D. super key
Explanation
A super key is a set of one or more attributes (columns), which can uniquely identify a row in a table .
Show/Hide Explanation
جب پروسیسر استعمال کرتے ھیں تو ڈیٹا اور پروگرام کہاں محفوظ ہوتے ہیں؟
A. Program memory
B. main memory
C. disk memory
D. secondary memory
Explanation
Data and programs are stored in the main memory when the processor uses them.
while
programs, files, and data stored in the computer are called Hard Disk
****
ND04-12-2022
Show/Hide Explanation
A. Performance
B. Security
C. Reliability
D. All of these
Explanation
Reliability : Networks allow data redundancy and backup systems, which can improve reliability. Security: Networks enable centralized security measures like firewalls and encryption to protect data. Performance: Networks improve communication speed and data transfer, allowing for efficient resource sharing and collaboration. Show/Hide Explanation
A. Wireless
B. Cabling
C. Both A and B
D. None
Explanation
Fiber optic technology uses cables made of thin strands of glass or plastic fibers to transmit data as light signals. It providing high-speed and high-capacity communication.
Show/Hide Explanation
ایک ورچوئل ٹیبل جو دوسری میزوں سے تعمیر کی گئی ہے اسے _____ کہا جاتا ہے؟
A. Table
B. None of these
C. Tuple
D. View
Explanation
A View is a virtual table in a database that is constructed using a query on one or more existing tables. It does not store data itself , but displays data from the underlying tables .
Show/Hide Explanation
✅ Correct: 0 |
❌ Wrong: 0 |
📊 Total Attempted: 0
