chapter1

1. Which API is used on the Android operating system?

• a. Win32 API

• b. POSIX API and Java API

• c. POSIX API

• d. Java API

2. How many interrupts does Direct Memory Access (DMA) generate per data block?

• a. No interrupts

• b. One interrupt per byte

• c. One interrupt per block

• d. Multiple interrupts per byte

3. How does Peer-to-Peer (P2P) operate?

• a. Distinguishes between client and server

• b. All nodes are peers, acting as clients or servers

• c. Only has servers

• d. Does not use protocols

4. Which method involves collecting numerical data about system activities over time?

• a. Tracing

• b. Profiling

• c. Benchmarking

• d. Counters

5. What is the main advantage of a monolithic operating system?

• a. Easy to modify and update.

• b. Scalability.

• c. Efficient resource utilization.

• d. High level of security.

6. The functions that the operating system provides:

• a. UI, program execution, I/O operations, file-system manipulation, communications, error detection, resource allocation, logging, protection, and security

• b. UI, program execution, I/O operations, file-system manipulation, communications, error detection, logging, protection, and security

• c. UI, program execution, I/O operations, file-system manipulation, communications, error detection, resource allocation, protection, and security

• d. Program execution, I/O operations, file-system manipulation, communications, error detection, resource allocation, logging, protection, and security

7. What does the operating system do?

• a. Resource allocator

• b. Managing the execution of user programs

• c. Control program

• d. Resource allocator and control program

8. Program resides on secondary storage as:

• a. file executable

• b. binary executable

• c. executable file

• d. binary file

What do real-time embedded systems require?

• a. Large memory capacity

• b. Support for multiple users

• c. Processing within fixed time constraints

• d. Complex user interface

The operating system preserves the state of the CPU by:

• a. Storing the program counter

• b. Control program

• c. Storing the registers

• d. Storing the registers and the program counter