Computer Science Practice MCQ Question and Answer

What is the purpose of the Turing Test?

A. To test database transaction speed

B. To determine whether a machine can exhibit human-like intelligence

C. To encrypt wireless network traffic

D. To find bugs in compile-time code

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Which testing method/implementation strategy involves running both the old system and the new system simultaneously?

A. Pilot Testing

B. Parallel Testing

C. Phased Conversion

D. Direct Changeover

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Rows in a relational database table are technically called:

A. Fields

B. Tuples

C. Attributes

D. Keys

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Which of the following is NOT a standard characteristic of cloud computing?

A. On-demand self-service

B. Resource pooling

C. Location dependency

D. Rapid elasticity

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What is the primary effect and benefit of data compression?

A. Increases data processing complexity

B. Reduces file size and storage/transmission requirements

C. Improves data security protocols

D. Converts text files into executable formats

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Which network protocol is used to resolve human-readable domain names into IP addresses?

A. HTTP

B. DNS

C. FTP

D. SMTP

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RAID is used for?

A. Improve processing speed

B. Improve graphics

C. Enhance storage performance by distributing data across multiple drives

D. Enhance network security

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Ethernet card is a network adaptor used to set up a wired network. It is also known as:

A. Wifi card

B. Fiber optics

C. Bluetooth

D. Network interface card

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The lock is related to the door, in the same way the password is related to ….?

A. Gate

B. Computer

C. Verify

D. Wildcard letters

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What is the purpose of indexing?

A. To reduce table size

B. To speedup data search

C. Both A & B

D. None of the above

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Which type of malware replicates itself without any user action?

A. Virus

B. Worm

C. Trojan

D. Spyware

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In computer operating system, checkpoints are used for?

“`plaintext

A. Security

B. Recovery process

C. Performance monitoring

D. User authentication

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In PowerPoint, a presentation is a collection of?

A. Slides

B. Fields

C. Records

D. Cells

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Which of the following is NOT a valid Microsoft Excel file format?

A. .xlsx

B. .csv

C. .xls

D. .pdf

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The HTTP protocol works on which port by default?

A. 21

B. 80

C. 25

D. 443

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What defines the rule for communication between Computers?

A. Hardware

B. Operating System

C. Protocol Network

D. Software

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Which of the following is not a routing protocol?

A. ICMP

B. RIP

C. BGP

D. OSPF

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Which protocol or service is used terminal connection service? to remote log into another computer?

A. FTP

B. UDP

C. RARP

D. Telnet

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Which of the following is not a layer in OSI Model?

A. Physical Layer

B. Process Layer

C. Transport Layer

D. Network Layer

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In operating systems, checkpoints are used for?

A. Security purposes

B. Recovery process

C. Performance enhancement

D. Memory management

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The type of cryptography in which one key is public and the other is private is called?

A. Asymmetric Key cryptography

B. Hash cryptography

C. Symmetric Key cryptography

D. Quantum cryptography

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An External database is referred to?

A. create in word

B. Created DMBS Package

C. Database created in EXCEL

D. Database on external server

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In which network topology is a single central point failure (e.g., via a DoS—Denial of Service attack on the hub) most likely to disrupt the entire network?

A. Star Topology

B. Mesh Topology

C. Bus Topology

D. Ring Topology

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In a relational database, a table is also called?

A. Tuple

B. Relation

C. Attribute

D. Domain

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Which OSI layer is responsible for end-to-end communication and error handling?

A. Network Layer

B. Transport Layer

C. Session Layer

D. Data Link Layer

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