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Computer Lecturer MCQs Most Repeated Question Answers

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 On this page easymcqs is providing to learners Computer Lecturer Test and interviews type MCQs short questions & answers. All of these MCQs are important and helpful for upcoming jobs tests in PPSC, PMS, NTS, PTS, FPSC, KPPSC, BPSC, SPSC competitive exams. These are 100 most repeated Computer Science Objective type qeustion ansers for exams tests. these Multiple Chocie Question Answers are also helpful for computer operaotrs and Data Entry Operators tests.

Computer MCQs

Computer Past Papers Most Important MCQs With Answers Quiz Test



Q.1: In which of the following relationship each related entity set has its own schema and there is an additional schema for the relationship set?
  1. A multivalued attribute of an entity set
  2. A many-to-many relationship set
  3. A one-to-many relationship set
  4. A one-to-one relationship set
B
Q.2: A unique set of values permitted for each attribute of relation in a table is known as--?
  1. Domain
  2. Set
  3. Schema
  4. Relation
A
Q.3: What is the main unit of a personal computer?
  1. CPU
  2. Hard Disk
  3. RAM
  4. VGA
A
Q.4: The return address from the interrupt-service routine is stored on which of the following--?
  1. System Heap
  2. Processor stack
  3. Memory stack
  4. Processor register
B
Q.5: An area of memory used to store information related to the pixels in the pictures in a graphic system is known as--?
  1. Frame buffer
  2. Frame memory
  3. Resolution memory
  4. Pixel buffer
A
Q.6: Choose the correct full form of W3C?
  1. World Wide Web Collaboration
  2. World Wide Web Control
  3. Word Wide Websites Consortium
  4. World Wide Web Consortium
D
Q.7: Which statement is correct about optical page replacement?
  1. Page will be replaced which is least recently used
  2. Pages are replaced which arrives first into memory
  3. Pages are modified which are not used for a long time
  4. Pages are replaced which are not used for a long time
D
Q.8: Which of the following can help us detect poor E-R design?
  1. Database Design Process
  2. ER Diagram
  3. Schema
  4. Functional dependencies (FDs)
D
Q.9: Which of the following is NOT a type of prototype of the Prototyping Model?
  1. Horizontal Prototype
  2. Diagonal Prototype
  3. Domain Prototype
  4. Vertical Prototype
B
Q.10: Which of the following routing algorithms can be used to transmit an incoming data packet to reach the destination efficiently in network layer design?
  1. Dijkstra's algorithm (Shortest Path algorithm)
  2. Distance-vector routing
  3. Link-state routing
  4. All options
D
Q.11: Which of the following term is used to refer to a column in a table?
  1. Tuple
  2. Key
  3. Field
  4. Attribute
D
Q.12: What does the term Pangaea mean in geography?
  1. Hypothetical Hills
  2. Hypothetical supercontinent
  3. Supernova
  4. Big continent
B
Q.13: Which of the following is NOT a function of the network layer?
  1. to deliver bits from source to destination
  2. to deliver packets from source to destination
  3. it allows different networks to be interconnected
  4. it provides data routing paths
A
Q.14: Which of the following normal form is based on multivalued dependencies?
  1. 4NF
  2. 3NF
  3. 2NF
  4. 1NF
A
Q.15: A device that forwards data packets between computer networks by processing the routing information is known as--?
  1. Firewall
  2. Hub
  3. Router
  4. Bridge
C
Q.16: Which of the following is NOT an example of NoSQL database?
  1. BigTable
  2. CouchDB
  3. MongoDB
  4. SQL
D
Q.17: After the partition of Bengal in 1905 the capital city of East Bengal was?
  1. Dhaka
  2. Kolkata
  3. New Delhi
  4. Karachi
A
Q.18: The main purpose of ICMP (Internet Control Message Protocol) is--?
  1. to diagnose network communication issues
  2. it provides data routing paths
  3. to deliver packets from source to destination
  4. to deliver bits from source to destination
A
Q.19: Which of the following is NOT a type of NoSQL database?
  1. Document-based database
  2. Column-based database
  3. Key-Value database
  4. Relational database
D
Q.20: Choose the correct alternative name of Parsing?
  1. Syntax Analysis
  2. Lexical Analysis
  3. Semantic Analysis
  4. Code Analysis
A
Q.21: In a computer network two devices are connected if----?
  1. software is active in both devices
  2. the process is running on both devices
  3. a process can exchange data with other processes
  4. All options
C
Q.22: A memory management scheme used by a computer to stores and retrieve data from secondary storage for use in main memory is known as--?
  1. Fetching
  2. Paging
  3. Mapping
  4. Thrashing
B
Q.23: Which of the following algorithm is associated with each page the time when the page arrives into the memory?
  1. LRU
  2. LFU
  3. Optical page replacement
  4. FIFO
D
Q.24: Central Processing Unit fetches the instruction from memory according to the value of---?
  1. Program counter
  2. Register counter
  3. Memory Buffer Register
  4. Status register
A
Q.25: Which of the following cannot be scheduled by the Kernel?
  1. Process
  2. All In
  3. Kernel level threads
  4. User-level threads
B
Q.26: Which of the following American president was the first to resign from office on August 9, 1974?
  1. John Adams
  2. George Washington
  3. James Madison
  4. Richard Nixon
D
Q.27: Choose the correct antonym of MEANDERING?
  1. Zigzag
  2. Straight
  3. Winding
  4. Curves
B
Q.28: Which statement is correct about the Second Normal form?
  1. No functional dependencies (FDs) exist
  2. No multivalued dependencies (MVDs) exist
  3. No partial MVDs exist
  4. No partial functional dependencies (FDs) exist
D
Q.29: In which scheduling processes automatically get the CPU allocation first that requests the CPU first is known as?
  1. Round Robin(RR)
  2. Shortest-Job-Next (SJN)
  3. Priority Scheduling
  4. First Come First Serve (FCFS)
D
Q.30: Some UV radiations from the sun are essential to our body as it stimulates the production of--------?
  1. Vitamin C
  2. Vitamin B
  3. Vitamin D
  4. Vitamin K
C
Q.31: In MS Word by default header and footer are printed on----?
  1. First three pages
  2. Every page
  3. Alternate pages
  4. First page only
B
Q.32: Each packet in a virtual circuit network contains a short number known as--?
  1. Virtual Packet Identifier (VPID)
  2. Virtual Circuit Identifier (VCID or VCI)
  3. Host address
  4. MAC address
B
Q.33: Which of the following country flag is also known as Union Jack?
  1. New Zealand
  2. France
  3. USA
  4. UK
D
Q.34: A process refers to five pages A, B, C, D, E in the order A, B, C, D, A, B, E, A, B, C, D, E suppose if FIFO is the page replacement algorithm the number of pages transfers with an empty internal store of three frames is--?
  1. 7
  2. 11
  3. 9
  4. 10
C
Q.35: Which of the following statements is incorrect about the web-based systems?
  1. should be scalable
  2. should be unscalable
  3. must be secure
  4. must be user-friendly
B
Q.36: Which of the following type of web-based systems would you assign to the E-commerce website?
  1. Transaction-oriented
  2. Workflow-oriented
  3. Question oriented
  4. Information-oriented
A
Q.37: Which of the following algorithm is associated with each page the time of that page’s last use?
  1. LRU
  2. LFU
  3. Optical page replacement
  4. FIFO
A
Q.38: A compiler program written in a high-level language (like C#, Python) is known as--?
  1. Source Program/Source Code
  2. Machine Code
  3. Object Program
  4. Readable Code
A
Q.39: In which of the following normal form unnecessary repeating attributes are removed by creating a separate table?
  1. Fourth Normal Form
  2. Second Normal Form
  3. Third Normal Form
  4. First Normal Form
D
Q.40: Which of the following software process model is best in all situations of Web application development?
  1. Incremental Model
  2. Spiral Model
  3. Waterfall Model
  4. V model
A
Q.41: Which of the following American president was the first to live in the White House?
  1. John Adams
  2. George Washington
  3. James Madison
  4. Richard Nixon
A
Q.42: The sharpness and clarity of an image depends on the number of pixels stored in the frame buffer memory which is known as--?
  1. Dots
  2. Pixels
  3. Resolution
  4. Picture Quality
C
Q.43: Which of the following database normalization has a relation that possesses data about an individual entity?
  1. 4NF
  2. 3NF
  3. 2NF
  4. 1NF
A
Q.44: Which of the following addresses are generated by the CPU while execution?
  1. Logical Address
  2. Physical Address
  3. Absolute Address
  4. Data Address
A
Q.45: Who gave the idea that a program can be stored in binary format in a memory device?
  1. Isaac Newton
  2. Vint Cerf
  3. John von Neumann
  4. Charles Babbage
C
Q.46: The current capital of Kazakhstan is Nur-Sultan; do you know the old capital city name?
  1. Almaty
  2. Astana
  3. Taraz
  4. Shymkent
A
Q.47: Which of the following protocol operates at the network layer protocol of the OSI model?
  1. Ethernet
  2. HTTP
  3. HTML
  4. IP (Internet Protocol)
D
Q.48: Do users know that their processes are running on a paged system--?
  1. Aware
  2. Partially Aware
  3. Unaware
  4. Informed
C
Q.49: Choose the correctly spelled word from the following?
  1. Dicotomy
  2. Dichotomy
  3. Dicotamy
  4. Dechotomy
B
Q.50: In which of the following communication channel is shared by all the devices on the network?
  1. Omnicast network
  2. Unicast network
  3. Multicast network
  4. Broadcast network
D
Q.51: Which of the following is NOT the cause of Network congestion?
  1. Security attacks
  2. Traffic overloading
  3. Outdated Hardware
  4. Use of VPNs
D
Q.52: The idiom “face the music” means---?
  1. to bear the consequences
  2. to face the happiness
  3. to be greeted warmly
  4. to be welcomed rudely
A
Q.53: Which of the following represents a relationship among a set of values in a table?
  1. Files
  2. Field
  3. Row
  4. Column
C
Q.54: The runtime mapping from virtual to physical address is done by a computer hardware unit known as--?
  1. Memory Management Unit (MMU)
  2. Memory Protection Unit (MPU)
  3. Memory Mapping Unit
  4. Virtual Management Unit (VMU)
A
Q.55: The interrupt request line or IRQ is a part of--?
  1. Address Line
  2. Control Line
  3. Data Line
  4. Bus Line
B
Q.56: Which of the following analysis involved in the web engineering process framework?
  1. All options
  2. Interaction Analysis
  3. Content Analysis
  4. Functional Analysis
A
Q.57: In which of the following relationship a separate schema is created consisting of that attribute and the primary key of the entity set?
  1. A multivalued attribute of an entity set
  2. A many-to-many relationship set
  3. A one-to-many relationship set
  4. A one-to-one relationship set
A
Q.58: The IPv4 a 32-bit address consists of--?
  1. network address and host address
  2. only network address
  3. host address only
  4. internet address and MAC address
A
Q.59: The lexical analyzer takes a source program as an input and produces what kind of output?
  1. source program
  2. Tokens
  3. Source code
  4. Keys
B
Q.60: Which statement is correct about multilevel feedback scheduling?
  1. Processes are not classified into groups
  2. Classification of ready queue is permanent
  3. CPU is allocated to the process with lowest priority
  4. A process can move to different classified ready queue
D
Q.61: Which of the following is the main objective of creating page replacement algorithms?
  1. to process pages faster
  2. to increase the number of page faults
  3. to reduce the number of page faults
  4. to process multiple pages at once
C
Q.62: The signal sent to the device from the processor to the device after receiving an interrupt is known as---------?
  1. Return signal
  2. Permission signal
  3. Interrupt-acknowledge
  4. Service signal
C
Q.63: Which of the following is NOT an example of OS(operating system)?
  1. iOS
  2. MS Access
  3. Linux
  4. MS Windows
B
Q.64: A group of protocols used by a system that are running concurrently to allow software or hardware to perform a function is known as--?
  1. Protocol Stack/network stack
  2. Protocol Suit
  3. Network Suit
  4. System Stack
A
Q.65: Which statement is correct about the nodes in a computer network?
  1. a device that can exchange data
  2. a computer that routes the data
  3. A device that has a unique IP address
  4. All options
D
Q.66: Build and fix model (ad hoc model) is suitable for programming exercises of-----------Line of Code?
  1. Above 1k
  2. 500-1000
  3. 400
  4. 100-200
D
Q.67: Choose the correct full form of SDLC?
  1. Software Development Life Cycle
  2. Software Design Life Cycle
  3. Software Development Line Cycle
  4. System Development Life Cycle
A
Q.68: Which of the following was the official language before British rule in India?
  1. Urdu
  2. Hindi
  3. Persian
  4. Arabic
C
Q.69: A memory buffer used to accommodate a speed differential is known as---?
  1. Cache
  2. Stack Pointer
  3. Accumulator
  4. Disk Buffer
A
Q.70: A memory page containing an excessively used variable that was initialized very early and is in constant use is removed, which page replacement algorithm is used?
  1. LRU
  2. LFU
  3. LIFO
  4. FIFO
D
Q.71: Which of the following sport is NOT a part of the modern Olympic Games?
  1. Football
  2. Badminton
  3. Cricket
  4. Swimming
C
Q.72: Which of the following module gives control of the Central Processing Unit to the process selected by the short term schedule?
  1. Dispatcher
  2. Interrupt
  3. Interpreter
  4. Schedule
A
Q.73: Which of the following is related to a tuple generating dependency?
  1. Multivalued dependencies
  2. Non-functional dependency
  3. Equality-generating dependencies
  4. Functional dependency
A
Q.74: Which of the following strategy is used by the designers to increase the performance of systems to support time-critical operations?
  1. Denormalization
  2. Redundant optimization
  3. Normalization
  4. Defragmentation
A
Q.75: Why the Optimal page replacement algorithm is difficult to implement?
  1. it requires future knowledge of reference string
  2. it requires past knowledge of data
  3. it requires cache memory
  4. it is very complex algorithm
A
Q.76: The network layer is concerned with what type of data?
  1. Packets
  2. Bits
  3. Waves
  4. Frames
A
Q.77: Which of the following is an example of personal area network (PAN)?
  1. TV network
  2. Unicast network
  3. Wi-Fi
  4. Bluetooth
D
Q.78: Which of the following mathematician is known as the father of the computer?
  1. Isaac Newton
  2. Vint Cerf
  3. John von Neumann
  4. Charles Babbage
D
Q.79: The plantains are similar to which fruit?
  1. Apples
  2. Bananas
  3. Grapefruit
  4. Jackfuit
B
Q.80: Which of the following term is used to refer to a row in a table?
  1. Tuple
  2. Key
  3. Field
  4. Attribute
A
Q.81: Choose the correct full form of RAD?
  1. Rapid Application Development
  2. Rapid Access Development
  3. Rational Application Development
  4. Rapid Application Design
A
Q.82: Which of the following is the major drawback of using RAD model in software development?
  1. High amounts of risk and uncertainty
  2. Encourages client feedback
  3. Not Flexible and adaptable to changes
  4. Requires highly skilled developers/designers
D
Q.83: There are how many phases of the RAD model in software development?
  1. Three
  2. Seven
  3. Six
  4. Five
D
Q.84: Which of the following software development model is suitable if the user is involved in all the phases of SDLC?
  1. Prototyping Model
  2. Waterfall Model
  3. RAD Model
  4. All options
C
Q.85: Which of the following queue keeps a list of all processes residing in the main memory and wanting to execute?
  1. Execution Queue
  2. Device Queue
  3. Job Queue
  4. Ready Queue
D
Q.86: A relational database consists of a collection of which of the following--?
  1. Files
  2. Records
  3. Fields
  4. Tables
D
Q.87: Which of the following type of web-based systems would you assign to discussion groups?
  1. Online community/Web community
  2. Workflow-oriented
  3. Online portals
  4. Web portals
A
Q.88: Which of the following network extends a private network across a public network and enables users to exchange data across public networks?
  1. Personal Area Network (PAN)
  2. Local Area Network (LAN)
  3. Storage-Area Network (SAN)
  4. Virtual Private Network (VPN)
D
Q.89: Time quantum is defined in which scheduling algorithm?
  1. Round Robin(RR)
  2. Shortest-Job-Next (SJN)
  3. Priority Scheduling
  4. First Come First Serve (FCFS)
A
Q.90: Which of the following risk is associated with using external hypertext links in websites?
  1. Hypertexts can present misleading information
  2. It affects user engagement with the content
  3. It diverts user attention
  4. All options
D
Q.91: Which of the following software development model is NOT suitable for accommodating any change?
  1. Rapid Application Development Model
  2. Waterfall Model
  3. Prototyping Model
  4. Build and fix model
B
Q.92: Which of the following focuses on the discovery of new information from the pre-existing data?
  1. Data wrangling
  2. Data mining
  3. Information mining
  4. Machine Mining
B
Q.93: Suppose If the system has 3 frames, the reference string is: 1, 2, 3, 4, 1, 2, 5, 1, 2, 3, 4, 5. How many page faults does the LRU page replacement algorithm yield?
  1. 10
  2. 12
  3. 15
  4. 14
A
Q.94: What is the last missing number in the given series: 15, 31, 63, 127, 255----?
  1. 511
  2. 510
  3. 517
  4. 520
A
Q.95: Which of the following is the best way to represent the attributes in a huge database?
  1. Relational-and
  2. Dot representation
  3. Concatenation
  4. All options
C
Q.96: Which of the following person proposed the idea of Boao Forum for Asia in 1998?
  1. Fidel V. Ramos, former Philippines President
  2. Bob Hawke, former Australian Prime Minister
  3. Morihiro Hosokawa, former Japanese Prime Minister
  4. All options
D
Q.97: In priority scheduling when a process reaches the ready queue, its priority is compared with the priority of----?
  1. Parent Process
  2. All processes
  3. Currently running process
  4. Waiting process
C
Q.98: Which statement is correct about priority scheduling?
  1. Each process is executed for a fixed amount of time
  2. Processes with same priority are executed at the end
  3. CPU is allocated to the process with lowest priority
  4. CPU is allocated to the process with highest priority
D
Q.99: The interval from the time of submission of a process to the time of process completion is known as?
  1. Response time
  2. Throughput
  3. Turnaround time
  4. Lead time
C
Q.100: Choose the correct synonym of POSTHUMOUS?
  1. Antemortem
  2. Ahead of time
  3. After death
  4. Before death
C
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