1st Year Computer First half Book Paper

Q1. Multiple choice questions (Attempt all · 46 × 0.5 = 23)

1. What type of attach involves cybercriminals impersonating trusted entities to deceive users into revealing sensitive information?
   1. Malware attack
   2. Denial of Service attack
   3. Phishing attack
   4. Insider threat
2. In online IDEs, we can write and run out code without ________ in our computer.
   1. Installing
   2. Creating
   3. Performing
   4. Detecting
3. Trace method is used to ___________.
   1. Take input
   2. Hand simulate the execution algorithm
   3. Take a print
   4. Align margins
4. If there are some flaws in data collection method, after analyzing such data the result would be more _________.
   1. Accurate
   2. Huge
   3. No result can be drawn
   4. Erroneous
5. What is the main advantage of asymmetric encryption over symmetric encryption?
   1. Faster encryption and decryption
   2. Simplified key distribution
   3. Non-repudiation
   4. Lower computational complexity
6. What will the following program do : for i in range (10,0,-1): print ('iteration no-',i)
   1. It will give error
   2. It will run 9 times
   3. It will run 10 times
   4. It will run 11 times
7. In the planning phase of computational artifact development following is included in.
   1. Logic
   2. Data Structures
   3. Control Structures
   4. Logic, Data and Control Structures
8. For accurate data collection, an existing data from ________ is acquired.
   1. Sampling dapartment
   2. Modeling techinques
   3. Meteorological department
   4. Educational department
9. Which principle in Boolean algebra involves interchanging AND and OR operators while complementing variables?
   1. Absorption Law
   2. Identity Law
   3. Principle of Duality
   4. Distributive Law
10. The input () function treats the entered data as a set of _______.
    1. Digits
    2. Characters
    3. Symbols
    4. Arithmetic operators
11. There are two algorithms suppose A takes 1.41 milliseconds while B takes 0.9 milliseconds, which one of them is better considering all other things the same?
    1. A is better than B
    2. B is better than A
    3. Both are equally good
    4. None of the mentioned
12. Natural disaster prediction helps the people to take preventive measures against __________.
    1. Pandemic
    2. Cyclones
    3. Data analysis
    4. Temperature
13. Which software development model is characterized by iterative development and frequent updates throughout the project's lifecycle?
    1. Waterfall Model
    2. Agile Model
    3. Feasibility Model
    4. Design Model
14. Python was first introduced in _________.
    1. 1990
    2. 1994
    3. 1992
    4. 2022
15. Trace Tables are used to _________.
    1. dry run algorithm
    2. test if algorithm is giving expected output
    3. show the variables change
    4. a, b and c
16. A linear regression model is a mathematical equation that allows us to predict a response for given _________.
    1. Predictor value
    2. Variable
    3. Intercepts
    4. Model
17. What does 2FA (Two-Factor Authentication) require for user access?
    1. Two different passwords
    2. Two different encryption keys
    3. Two different authentication methods
    4. Two different user accounts methods
18. _______ provide basic variable types as str, integer, float, etc.
    1. Print job
    2. Page break
    3. Python
    4. Procedure
19. An algorithm can be represented through ___________.
    1. Flow charts
    2. Pseudo-codes
    3. Instructions in common language
    4. All of the mentioned above
20. Clustering algorithms are examples of __________.
    1. Classical learing
    2. Professional learning
    3. Unsupervised learning
    4. Cognitive learning
21. Which Agile model phase involves evaluating the software to identify and fix defects?
    1. Design
    2. Testing
    3. Deployment
    4. Requirements Gathering
22. '**' is used to represent __________.
    1. Division
    2. Floor division
    3. Multiplication
    4. Exponentiation
23. Algorithms are evaluated using ___________.
    1. Correctness
    2. Efficiency
    3. a and b
    4. None of above
24. During summer people of hot regions consume more cold items. This information is called ___________.
    1. Parameter
    2. Population
    3. Statistics
    4. Random sample
25. Which phase of SDLC focuses on understanding user expectations and identifying software requirements?
    1. Maintenance/Support Phase
    2. Deployment/Implementation Phase
    3. Requirement Engineering Phase
    4. Testing/Verification Phase
26. We can design 2D geometrical shapes in Python, using _________.
    1. Operators
    2. Iterations
    3. Variables
    4. Turtle Graphics
27. In computer science, the computational artifacts could include _________.
    1. Programs
    2. Simulations
    3. Videos
    4. Programs, Simulations and videos
28. A point where graph line meet the y-axis is called __________.
    1. Y-axis
    2. Y-intercept
    3. Y-coordinates
    4. Y-dimensions
29. What type of encryption uses a single, secret key for both encryption and decryption?
    1. Asymmetric encryption
    2. Public-key encryption
    3. Symmetric encryption
    4. Triple DES encryption
30. If the program is unable to execute the next instruction, the program will reach the state of ________.
    1. Hang
    2. Reboot
    3. Shutdow
    4. Sleep
31. A complexity of algorithm depends upon ____________.
    1. Time Only
    2. Space Only
    3. Both Time and Space
    4. None of above
32. Supervised learning is one of the main category of __________.
    1. Statistical modeling
    2. Data waggling
    3. Data collection
    4. Evaluation modeling
33. What are the two fundamental digits used in binary code?
    1. 0 and 2
    2. 1 and 3
    3. 0 and 1
    4. A and B
34. Operator != is used for __________.
    1. Equal
    2. Logical AND
    3. Not equal
    4. Logical OR
35. Experimental design is a tool used to ___________ the result effectively.
    1. Add
    2. Evaluate
    3. Organize
    4. Test
36. Which phase of SDLC involves assessing whether the proposed software/system is feasible in terms of resources and budget?
    1. Design Phase
    2. Analysis Phase
    3. Feasibility Study Phase
    4. Coding Phase
37. A REPL means ____________.
    1. Read-Enter-Print-Loop
    2. Read-Exit-Print-Loop
    3. Read-Eval-Print-Loop
    4. Read-Evolve-Print-Loop
38. We can create our own database by generating some random number by using ____________.
    1. Python code
    2. Data code
    3. System code
    4. Pseudo code
39. What is the main disadvantage of Ring Topology?
    1. Limited bandwidth
    2. High cost
    3. Complex installation
    4. SProne to failure
40. We apply comparison with the help of _________ statement.
    1. For
    2. While
    3. If
    4. But
41. Which principle of Boolean algebra allows interchanging the AND and OR operators while negating the variables?
    1. Complement principle
    2. Dual principle
    3. Inversion principle
    4. Identity principle
42. To draw a triangle, we need to play with ___________.
    1. Angles
    2. Vertices
    3. Lines
    4. Shapes
43. Which of the following logic gates produces a HIGH (1) output only when all of its inputs are HIGH (1)?
    1. AND gate
    2. OR gate
    3. NOT gate
    4. XOR gate
44. Turtle graphics help us to design basic drawing and _________.
    1. 1D shapes
    2. 2D shapes
    3. 3D shapes
    4. 4D shapes
45. How many bits does the ASCII code use to represents a character?
    1. 8 bits
    2. 16 bits
    3. 32 bits
    4. 64 bits
46. Computer Programs are categorized into _________.
    1. Interactive Program and Batch Program
    2. Interactive Program and Badge Program
    3. Inactive Program and Batch Program
    4. Inactive Program and Badge Program