CCC Mock Test Paper 3

πŸ§ͺ CCC MOCK TEST – (SET 3)

πŸ“˜ Instructions

  • 100 Questions
  • Single correct answer
  • Level: Advanced + Conceptual + Tricky

πŸ’» PART 1 (1–25) – CORE COMPUTER + OS (TRICKY)

1. Which register holds the instruction currently being executed?
A. MAR
B. MDR
C. IR
D. PC

2. Which scheduling algorithm can cause starvation?
A. FCFS
B. Round Robin
C. Priority Scheduling
D. SJF

3. Which memory is closest to CPU?
A. RAM
B. Cache
C. ROM
D. Hard Disk

4. Which is NOT a function of OS?
A. Memory management
B. Process management
C. Printing photos
D. File management

5. Virtual memory is used when:
A. RAM is unlimited
B. RAM is insufficient
C. CPU is fast
D. Disk is empty


6. Which device converts digital to analog signal?
A. Router
B. Modem
C. Switch
D. Hub

7. Which is a multitasking OS?
A. MS-DOS
B. Windows
C. Basic
D. Batch OS

8. Which is NOT an input device?
A. Scanner
B. Mouse
C. Speaker
D. Keyboard

9. DMA stands for:
A. Direct Memory Access
B. Digital Memory Area
C. Data Memory Access
D. Direct Machine Access

10. Paging is related to:
A. CPU
B. Memory management
C. Printer
D. Input devices


11. Cache memory is:
A. Slowest memory
B. Fastest memory
C. External memory
D. Secondary memory

12. Which is volatile memory?
A. ROM
B. Hard disk
C. RAM
D. CD-ROM

13. Process is:
A. Program in execution
B. Hardware
C. File
D. Input device

14. Context switching is done by:
A. CPU
B. RAM
C. OS
D. Disk

15. Fragmentation is problem in:
A. CPU
B. Memory
C. Printer
D. Network


16. Boot loader is stored in:
A. RAM
B. ROM
C. Cache
D. Hard disk

17. ALU performs:
A. Logical & arithmetic operations
B. Input
C. Output
D. Storage

18. Which is secondary storage?
A. Register
B. Cache
C. HDD
D. ALU

19. Interrupt is:
A. CPU stop forever
B. Signal to CPU
C. Memory type
D. Software

20. OS kernel is:
A. User program
B. Core part of OS
C. Browser
D. Hardware


21. Time sharing OS is based on:
A. One user
B. CPU sharing
C. Only printing
D. Only storage

22. Which is NOT system software?
A. Windows
B. Linux
C. MS Word
D. UNIX

23. Multiprogramming improves:
A. Memory only
B. CPU utilization
C. Screen resolution
D. Printer speed

24. Spooling is used in:
A. CPU
B. Printer
C. RAM
D. ROM

25. Firmware is stored in:
A. RAM
B. ROM
C. Cache
D. Register


🌐 PART 2 (26–50) – NETWORK + INTERNET + SECURITY

26. Packet switching is used in:
A. Telephone only
B. Internet
C. Printer
D. RAM

27. Topology where all devices connect to central node:
A. Ring
B. Star
C. Bus
D. Mesh

28. Which is fastest network?
A. LAN
B. WAN
C. MAN
D. PAN

29. DNS converts:
A. IP to file
B. Domain to IP
C. File to folder
D. Email to text

30. MAC address is:
A. Software ID
B. Hardware address
C. Virus
D. Browser


31. HTTPS uses:
A. Encryption
B. Compression
C. Printing
D. Storage

32. Trojan horse is:
A. Antivirus
B. Malware
C. Hardware
D. OS

33. Botnet is:
A. Network of infected computers
B. Printer network
C. Browser
D. OS type

34. SQL Injection is:
A. Hardware attack
B. Database attack
C. Network speed
D. Storage method

35. Phishing attacks steal:
A. Graphics
B. Personal data
C. CPU speed
D. Monitor


36. Encryption converts data into:
A. Plain text
B. Cipher text
C. Image
D. Audio

37. Symmetric encryption uses:
A. Two keys
B. Same key
C. No key
D. Password only

38. Firewall works on:
A. Hardware only
B. Software/Hardware
C. Printer
D. RAM

39. IP spoofing is:
A. Fake IP address
B. Real IP
C. DNS system
D. Router type

40. VPN hides:
A. CPU
B. IP address
C. RAM
D. Keyboard


41. HTTP is:
A. Stateless protocol
B. Stateful protocol
C. Hardware
D. OS

42. Cookies store:
A. Images
B. User data
C. RAM
D. OS

43. IPv6 uses:
A. 32-bit
B. 64-bit
C. 128-bit
D. 256-bit

44. Proxy server is used for:
A. Speed control
B. Filtering requests
C. Printing
D. Storage

45. Spam filters are used in:
A. CPU
B. Email
C. RAM
D. ROM

πŸ’» DATABASE + PROGRAMMING + LOGIC

51. Primary key must be:
A. Duplicate
B. Unique
C. Null
D. Large

52. Foreign key is used to:
A. Encrypt data
B. Link tables
C. Delete data
D. Print data

53. Normalization is used to:
A. Increase redundancy
B. Reduce redundancy
C. Increase size
D. Delete database

54. DBMS stands for:
A. Data Backup Management System
B. Database Management System
C. Digital Binary Memory System
D. Data Block Memory System

55. Which is NOT DBMS?
A. MySQL
B. Oracle
C. Excel
D. MongoDB


56. Algorithm must be:
A. Infinite
B. Finite
C. Random
D. Complex only

57. Flowchart uses:
A. Symbols
B. Words only
C. Numbers
D. Images only

58. Compiler error occurs at:
A. Runtime only
B. Compile time
C. Output
D. Storage

59. Interpreter processes code:
A. Whole program
B. Line by line
C. Randomly
D. After execution

60. Debugging means:
A. Writing code
B. Removing errors
C. Running program
D. Saving file


πŸ–₯️ MS OFFICE + ADVANCED TOOLS

61. Macro is used for:
A. Manual work
B. Automation
C. Printing
D. Storage

62. Pivot table is used in:
A. Word
B. Excel
C. PowerPoint
D. Paint

63. Conditional formatting is used for:
A. Printing
B. Highlighting data
C. Drawing
D. Coding

64. Slide sorter view is used for:
A. Editing text
B. Rearranging slides
C. Printing
D. Emailing

65. Template means:
A. Blank file
B. Pre-designed format
C. Virus
D. Software


🌐 NETWORK + SECURITY (ADVANCED)

66. ARP stands for:
A. Address Resolution Protocol
B. Advanced Routing Protocol
C. Active Resource Path
D. Automatic Routing Program

67. MAC filtering is used for:
A. Speed
B. Security
C. Storage
D. Printing

68. SSL certificate ensures:
A. Speed
B. Secure communication
C. Storage
D. Graphics

69. Denial of Service attack means:
A. Speed increase
B. Service blocking
C. File storage
D. Login system

70. Worm is different from virus because:
A. Needs host file
B. Self replicates
C. Hardware
D. OS


71. Phishing email targets:
A. CPU
B. Users
C. Printer
D. RAM

72. Keylogger records:
A. Screen
B. Keystrokes
C. Memory
D. CPU

73. Authentication verifies:
A. Hardware
B. Identity
C. Speed
D. Storage

74. Authorization means:
A. Access permission
B. Virus removal
C. Speed control
D. Storage

75. Biometric system uses:
A. Password
B. Physical traits
C. Email
D. IP only


πŸ’° DIGITAL SYSTEMS + CLOUD

76. SaaS means:
A. Software as a Service
B. Storage as a Service
C. System as a Service
D. Security as a Service

77. IaaS means:
A. Internet as a Service
B. Infrastructure as a Service
C. Interface as a Service
D. Input as a Service

78. Cloud computing means:
A. Local storage
B. Internet-based services
C. Offline system
D. Hardware system

79. Google Docs is example of:
A. SaaS
B. IaaS
C. PaaS
D. OS

80. Virtual machine is:
A. Physical computer
B. Software computer
C. Printer
D. Browser


🧠 FINAL TRICKY QUESTIONS

81. Big data refers to:
A. Small data
B. Huge datasets
C. Images
D. Hardware

82. AI stands for:
A. Auto Input
B. Artificial Intelligence
C. Advanced Internet
D. Active Interface

83. Machine learning is part of:
A. Hardware
B. AI
C. Printer
D. OS

84. Robotics combines:
A. Hardware only
B. AI + hardware
C. Software only
D. Internet only

85. IoT means:
A. Internet of Things
B. Input of Technology
C. Internet of Tools
D. Interface of Tech


86. QR code stores:
A. Images
B. Information
C. RAM
D. CPU

87. Blockchain is used in:
A. Gaming
B. Secure transactions
C. Printing
D. Editing

88. Bitcoin is:
A. Currency
B. Software
C. OS
D. Hardware

89. Cloud backup ensures:
A. Data loss
B. Data safety
C. Slow speed
D. Virus

90. Edge computing means:
A. Central server only
B. Processing near data source
C. Offline system
D. Manual system


91. GUI is better than CLI because:
A. Easy to use
B. Hard to use
C. Slow
D. Complex

92. CLI stands for:
A. Computer Language Interface
B. Command Line Interface
C. Control Line Input
D. Code Link Interface

93. Linux is:
A. Closed source
B. Open source
C. Paid only
D. Hardware

94. Windows is developed by:
A. Google
B. Microsoft
C. Apple
D. IBM

95. Android is based on:
A. Linux
B. Windows
C. MacOS
D. DOS


96. Shortcut Ctrl + A means:
A. Save
B. Select all
C. Copy
D. Paste

97. Ctrl + Y means:
A. Undo
B. Redo
C. Cut
D. Save

98. Ctrl + F is used for:
A. Find
B. Format
C. File
D. Folder

99. File extension .pdf is used for:
A. Editable file
B. Portable document
C. Image file
D. Video file

100. Main function of computer is:
A. Entertainment only
B. Data processing
C. Printing only
D. Gaming only

βœ… CCC VERY HARD SET 3 – ANSWER KEY


πŸ“Š PART 1 (1–25)

1-C
2-C
3-C
4-C
5-B
6-B
7-B
8-C
9-A
10-B
11-B
12-C
13-A
14-C
15-B
16-B
17-A
18-C
19-B
20-B
21-B
22-C
23-B
24-B
25-B


πŸ“Š PART 2 (26–50)

26-B
27-B
28-B
29-B
30-B
31-A
32-B
33-A
34-B
35-B
36-B
37-B
38-B
39-A
40-B
41-A
42-B
43-C
44-B
45-B
46-B
47-B
48-B
49-B
50-B


πŸ“Š PART 3 (51–75)

51-B
52-B
53-B
54-B
55-C
56-B
57-A
58-B
59-B
60-B
61-B
62-B
63-B
64-B
65-B
66-A
67-B
68-B
69-B
70-B
71-B
72-B
73-B
74-A
75-B


πŸ“Š PART 4 (76–100)

76-A
77-B
78-B
79-A
80-B
81-B
82-B
83-B
84-B
85-A
86-B
87-B
88-A
89-B
90-B
91-A
92-B
93-B
94-B
95-A
96-B
97-B
98-A
99-B
100-B


πŸ“Š SCORE GUIDE

  • 90–100 = Top Expert πŸ†
  • 75–89 = Very Strong πŸ‘
  • 60–74 = Good πŸ™‚
  • 50–59 = Average ⚠️
  • Below 50 = Needs Practice ❌