Introduction to Computing MCQs with Answers
Practice important Introduction to Computing MCQs with answers and explanations.
Multiple Choice Questions
Q811: Why is it important to change passwords on a timely basis?
- A: To prevent unauthorized access due to compromised passwords
- B: To improve system performance
- C: To update system settings
- D: To ensure compatibility with new software
View Answer
A
Q812: What do institutions with large computer installations typically adopt to address security issues?
- A: Policies that catalog user requirements and responsibilities
- B: Additional hardware resources
- C: Advanced encryption algorithms
- D: Extra system performance monitoring tools
View Answer
A
Q813: What is a key responsibility of the super user or administrator beyond managing accounts?
- A: Monitoring system activity to detect potential security threats
- B: Installing all user applications
- C: Performing daily system backups
- D: Upgrading hardware components
View Answer
A
Q814: What is typically the first step an intruder takes after gaining access to a computer system?
- A: Exploring for information or inserting destructive software
- B: Changing the system's settings
- C: Destroying system files
- D: Modifying hardware components
View Answer
A
Q815: Why is the administrator’s password closely guarded?
- A: Because the administrator has the highest level of access and can alter critical settings
- B: To prevent unauthorized software installations
- C: To ensure system updates are applied
- D: To monitor user activities
View Answer
A
Q816: How might an intruder attempt to trick the operating system through a general user’s account?
- A: By accessing memory cells outside the allotted area or retrieving denied files
- B: By changing the system’s hardware configuration
- C: By creating new user accounts
- D: By installing unauthorized software
View Answer
A
Q817: What role do special-purpose registers play in CPU security?
- A: They store the upper and lower memory limits for a process to prevent unauthorized access
- B: They manage network connections
- C: They control system performance
- D: They handle user authentication
View Answer
A
Q818: What happens if a process tries to access memory outside its designated area?
- A: The CPU performs an interrupt sequence and transfers control to the operating system
- B: A hardware error occurs
- C: The system crashes
- D: The process is terminated without further action
View Answer
A
Q819: What is the purpose of privileged mode in a CPU?
- A: To allow the CPU to execute all instructions, including those that change system settings
- B: To limit the instructions that can be executed
- C: To enhance system performance
- D: To manage network traffic
View Answer
A
Q820: What is a privileged instruction?
- A: An instruction that can only be executed in privileged mode and typically involves critical system operations
- B: A normal instruction executed in non-privileged mode
- C: A user-level command
- D: A network operation instruction
View Answer
A