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Q A Relational Database consists of a collection of__________

A Tables
B Fields
C Records
D Keys

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KPPSC Lecturer Computer Science 23-06-23 Uploaded By: Safdar Ali

Q Database ____ which is the logical design of the database, and the database _ which is a snapshot of the data in the database at a given instant in time.

A Instance, Schema
B Relation, Schema
C Relation, Domain
D Schema, Instance

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KPPSC Lecturer Computer Science 23-06-23 Uploaded By: Safdar Ali

Q Default TCP port number for HTTP is ___________ .

A 65
B 75
C 85
D None of these

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KPPSC Lecturer Computer Science 23-06-23 Uploaded By: Safdar Ali

Q Multiplexing technique used for transmitting analog signals is _________.

A FDM & WDM
B TDM & FDM
C WDM & TDM
D bytes

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KPPSC Lecturer Computer Science 23-06-23 Uploaded By: Safdar Ali

Q An IPv4 address consists of:

A 4 bits
B 32 bits
C 32 bytes
D 8 bytes

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KPPSC Lecturer Computer Science 23-06-23 Uploaded By: Safdar Ali

Q Encryption/ Decryption is performed by _________ layer of OSI.

A Application
B Session
C Presentation
D Network

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KPPSC Lecturer Computer Science 23-06-23 Uploaded By: Safdar Ali

Q In Operating Systems, absolute path starts from _________?

A Current Directory
B Root Directory
C Present Directory
D None of these

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KPPSC Lecturer Computer Science 23-06-23 Uploaded By: Safdar Ali

Q Semaphores are used to solve the problem of _________?

A Race condition
B Mutual exclusion
C Critical section
D None of these

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KPPSC Lecturer Computer Science 23-06-23 Uploaded By: Safdar Ali

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