35. Which CAN'T be answered from ticket database?

B) Nonmoving violations on weekends?

21. Why did video count show negative number?

A) Exceeded maximum value for data type

14. Which is a true statement about Moore’s Law?

B) Transistors on chips double roughly every 2 years

64. What is a heuristic?

C) Approximate method for large problems

12. What is an example of a heuristic solution in computer science?

C) Approximate solution to traveling salesperson

2. Which expression evaluates to true (age ≥ 12 and height 50-80 inches)?

A) (age ≥ 12) AND ((height ≥ 50) AND (height ≤ 80))

32. True about public key encryption?

A) Enables secure open-channel communication

49. True about algorithmic problem solving?

D) Some problems unsolvable algorithmically

11. Which algorithm sorts numbers from smallest to largest?

C) Choose pivot, sort left and right, combine

47. Expression for restaurants ($≤30 and rating≥4.0)?

B) (rating≥4) AND ((price="lo") OR (price="med"))

70. What is an advantage of open source software?

C) Allows community contributions

36. Why is personal info hard to remove?

D) Authentication protects data

69. When is metadata preferred over pixel data?

A) Determine photo chronology, D) Identify same-location photos

15. Which is a benefit of open-source software?

C) Developers can modify and share code

43. Keylogging example?

A) Unauthorized input-recording program

38. When is simulation LEAST suitable?

D) Needs continual real-world inputs

60. [RunRoutr question: Why does the app not work as intended?]

A) Incorrect comparison operator

55. Which moves last list item to front?

C) Store last, remove, insert at 1

26. Challenge in parallel computing?

A) Steps require previous output

4. Which best explains the relationship between Internet and World Wide Web?

D) Internet=network of networks; WWW=linked pages accessed via Internet

10. What is the purpose of using an API in software development?

C) To allow programs to interact with external systems

53. Steps 4-5 for duplicate detection?

A) Repeat until position>n, then check count≥2

48. Rogue access point example?

A) Connect to insecure router to view traffic

19. How weak passwords enable unauthorized access?

D) Data mining to guess passwords

51. Best citizen science project?

A) Collect global bird pictures

67. What does an API do?

B) Connects programs to external services

68. Which lists fail duplicate removal?

C) [30,50,40,10,20,40], A) [10,10,20,20,10,10]

40. Greatest potential to increase digital divide?

B) Require online job applications

46. Sequence to find top-rated credit card restaurant?

C) Sort → filter ratings → filter payment

9. Which describes how information is transmitted on the Internet?

B) Packets sent in fixed size, independently routed

7. Which best describes how a DNS server works?

B) Matches domain names to IP addresses

studbud

Chopped shi

63 termsStudBud Administration2 plays

to many chopped shi smh

Flashcards63 cardsFPractice quizPHost liveL

Questions 63

Answers

1
22. Which robot code moves to gray square?
C) Third segment shown
D) Fourth segment shown
A) First segment shown
B) Second segment shown
2
27. Least likely to introduce bias?
A) Reward heavy users
C) Only teens get feature
B) Random sample for feedback
D) Test with local users
3
35. Which CAN'T be answered from ticket database?
B) Nonmoving violations on weekends?
A) Annual ticket increase?
C) Months with more moving violations?
D) Years with >1M moving violations?
4
62. Which is NOT metadata?
D) Song lyrics
C) Date created
A) File size
B) Resolution
5
21. Why did video count show negative number?
B) Rounding error in calculations
C) Failed during high simultaneous usage
D) Sampling error in analog conversion
A) Exceeded maximum value for data type
6
63. What is phishing?
B) Downloading viruses
D) Viewing encrypted emails
C) Bypassing firewalls
A) Fake messages to steal info
7
14. Which is a true statement about Moore’s Law?
B) Transistors on chips double roughly every 2 years
D) Internet speed grows linearly
C) Processing speed halves yearly
A) Storage doubles yearly
8
64. What is a heuristic?
B) Trial-and-error guess
D) Simulation of physical processes
C) Approximate method for large problems
A) Guaranteed optimal solution
9
39. Minimum bits for 75-100 items?
C) 7
D) 8
B) 6
A) 5
10
12. What is an example of a heuristic solution in computer science?
D) Perfect image rendering
C) Approximate solution to traveling salesperson
B) Binary search
A) Exact solution to sudoku
11
2. Which expression evaluates to true (age ≥ 12 and height 50-80 inches)?
D (age ≥ 12) OR (height ≥ 50) AND (height ≤ 80)
A) (age ≥ 12) AND ((height ≥ 50) AND (height ≤ 80))
C) (age ≥ 12) AND ((height ≤ 50) OR (height ≥ 80))
B (age ≥ 12) AND (height ≤ 50) AND (height ≥ 80)
12
32. True about public key encryption?
C) Only works for text documents
D) Uses single secret key
B) Not secure because public key interceptable
A) Enables secure open-channel communication
13
13. Which problem is least likely to be solvable by an algorithm?
A) Searching a database
D) Calculating average
B) Sorting a list
C) Recognizing irony in a poem
14
44. Cause of imprecise account balances?
B) Fixed bits → round-off
A) Fixed bits → overflow
C) Unlimited bits → overflow
D) Unlimited bits → round-off
15
49. True about algorithmic problem solving?
B) Any solvable (may need parallel devices)
D) Some problems unsolvable algorithmically
C) Any solvable (may need storage)
A) Any problem solvable (may need validation)
16
11. Which algorithm sorts numbers from smallest to largest?
C) Choose pivot, sort left and right, combine
B) Swap adjacent if out of order, repeat
D) Check if each number is prime
A) Find max, place at end, repeat
17
20. Which of the following is NOT a possible value displayed by the program?
C) "carrot"
D) "daikon"
A) "artichoke"
B) "broccoli"
18
47. Expression for restaurants ($≤30 and rating≥4.0)?
D) (rating≥4) OR ((price="lo") OR (price="med"))
B) (rating≥4) AND ((price="lo") OR (price="med"))
A) (rating≥4) AND ((price="lo") AND (price="med"))
C) (rating≥4) OR ((price="lo") AND (price="med"))
19
70. What is an advantage of open source software?
B) Slower performance
A) More expensive
C) Allows community contributions
D) Requires proprietary license
20
36. Why is personal info hard to remove?
B) Extremely large number of devices
D) Authentication protects data
C) Automated data collection
A) Users redistribute copies
21
66. What is an IP address used for?
C) Route data on the internet
B) Encrypt messages
D) Open browser tabs
A) Secure communications
22
31. Binary 11101 → 11101000 relationship?
D) 1000× original
C) 8× original
A) 3× original
B) 4× original
23
17. Minimum connections to break before B can't communicate with C?
D) Six
C) Five
A) Three
B) Four
24
42. What value is displayed?
B) 4
A) 3
D) 12
C) 9
25
69. When is metadata preferred over pixel data?
A) Determine photo chronology
B) Count clouds in photo
D) Identify same-location photos
C) Check B&W suitability
26
65. Which display true when hot = true and humid = false?
B) Second IF
A) First IF
C) Third IF
D) Fourth IF
27
15. Which is a benefit of open-source software?
C) Developers can modify and share code
A) Hidden source code
B) License fees required
D) Only available to companies
28
37. Which vegetable is NOT displayed?
A) "artichoke"
C) "carrot"
D) "daikon"
B) "broccoli"
29
43. Keylogging example?
D) Fake bank website
B) Guessing common passwords
C) Viewing unencrypted transmissions
A) Unauthorized input-recording program
30
38. When is simulation LEAST suitable?
C) Too costly/dangerous for real world
D) Needs continual real-world inputs
B) Accepts simplifying assumptions
A) Many quick trials needed
31
60. [RunRoutr question: Why does the app not work as intended?]
A) Incorrect comparison operator
B) Missing update to list
C) Data type mismatch
D) Loop doesn’t iterate
32
68. Which scenario involves a logic error?
D) Syntax missing
C) Runs but gives wrong output
B) Infinite loop crash
A) Code doesn’t compile
33
55. Which moves last list item to front?
A) Remove last, append
B) Remove last, store, append
C) Store last, remove, insert at 1
D) Remove last, store, insert at 1
34
52. Max elements examined in binary search of 128?
A) 2
C) 64
D) 128
B) 8
35
26. Challenge in parallel computing?
D) Searching documents for keywords
B) Same formula on many elements
C) Hard to break into small tasks
A) Steps require previous output
36
4. Which best explains the relationship between Internet and World Wide Web?
C) Internet=local networks; WWW=global connector
A) They refer to the same network
D) Internet=network of networks; WWW=linked pages accessed via Internet
B) Internet=data servers; WWW=user devices
37
10. What is the purpose of using an API in software development?
A) To monitor network traffic
B) To automatically encrypt user data
D) To store data permanently
C) To allow programs to interact with external systems
38
29. What value is displayed (j=3, k=4)?
B) 9
A) 7
C) 10
D) 12
39
53. Steps 4-5 for duplicate detection?
D) Repeat until count>n, check count≥n
C) Repeat until count>2, check position≥n
A) Repeat until position>n, then check count≥2
B) Repeat until position>n, check count≥position
40
48. Rogue access point example?
C) Pose as admin to trick users
B) Physically disconnect router
A) Connect to insecure router to view traffic
D) Overwhelm router with traffic
41
19. How weak passwords enable unauthorized access?
D) Data mining to guess passwords
B) Exploit compression flaws
C) Exploit encryption flaws
A) Denial of service attacks
42
51. Best citizen science project?
B) Monitor lab cell growth
A) Collect global bird pictures
C) Simulate chemical impacts
D) 3D scan complex proteins
43
67. What does an API do?
D) Encrypts server data
A) Designs user interfaces
B) Connects programs to external services
C) Runs machine learning models
44
34. Which change fixes the simulation?
D) Swap lines 7 and 11
A) Replace line 9 with IF(RANDOM(1,4)≥2)
B) Replace line 9 with ELSE
C) Swap lines 5 and 9
45
68. Which lists fail duplicate removal?
B) [30,30,30,10,20,20]
D) [50,50,50,50,50,50]
C) [30,50,40,10,20,40]
A) [10,10,20,20,10,10]
46
40. Greatest potential to increase digital divide?
A) Library tech programs
C) Discount devices for low-income
B) Require online job applications
D) Build remote area infrastructure
47
46. Sequence to find top-rated credit card restaurant?
D) Filter payment → filter ratings → sort
A) Filter ratings → filter payment → sort
B) Filter ratings → sort → filter payment
C) Sort → filter ratings → filter payment
48
9. Which describes how information is transmitted on the Internet?
A) Packets sent in order over direct line
D) Data copied to satellite then beamed
B) Packets sent in fixed size, independently routed
C) Encrypted images streamed in sequence
49
69. What does compression do?
B) Makes files smaller
D) Splits files into chunks
C) Duplicates files
A) Encrypts files
50
6. Which exemplifies multifactor authentication?
A) Entering new password twice
C) Password + texted code
D) Frequent password changes
B) Shared account with unique usernames
51
7. Which best describes how a DNS server works?
D) Directs packets through the fastest path
A) Encrypts data before sending
B) Matches domain names to IP addresses
C) Prevents unauthorized access
52
18. True statement about the network?
A) A to D uses ≤2 paths
D) If C/F fail, D can't reach H
B) A to I passes ≤4 devices
C) If B/F fail, A can't reach G
53
50. Symmetric encryption?
D) Public encrypt, private decrypt
A) Single secret key for both
C) Two secret keys
B) Single public key for both
54
65. Which activity is NOT crowdsourcing?
A) Voting for a product feature
D) Public reports potholes via app
C) Company survey with hired analysts
B) Forum answering tech questions
55
56. Which spreadsheets to compare GPA vs sports?
D) III and IV
C) II and III (GPA>3.5)
A) I (all students) and II (sports players)
B) I and IV (multi-sport)
56
45. Which moves robot to gray square?
A) botStepper 2 then 3
D) botStepper 3 + move then 4
C) botStepper 2 + move then 3
B) botStepper 3 then 4
57
41. Crowdsourcing example for gaming?
C) Software monitors all chats
A) Players endorse courteous players
D) Update content guidelines
B) Eliminate chat by default
58
61. What is a digital divide?
D) Digital error in transmission
A) Separation between networks
C) Firewall between computers
B) Gap in access to tech
59
3. What are first and second executing: first is 100; second ← 200; temp ← first; second ← temp; first ← second
C) first=200, second=100
B) first=100, second=200
A) first=100, second=100
D) first=200, second=200
60
16. What is metadata?
B) Data about data (e.g., file size, date)
D) Code that generates content
C) Final processed result
A) Raw input from user
61
23. True statement about Internet?
D) Uses centralized routing system
C) Requires encrypted communications
A) Uses proprietary protocols
B) Designed to scale for more users
62
25. What does the procedure return?
B) n²
D) Sum of integers 1 to n
C) n!
A) Never terminates
63
8. Which describes a DDoS attack?
B) Unwanted software installation
D) Intercepting unencrypted emails
C) Spamming a server with requests to shut it down
A) A phishing attempt to steal passwords

Chopped shi Flashcards | StudBud