10th Class Computer Chapter 1 TestUNIT 01: OPERATING SYSTEMS: STRUCTURE AND SERVICES

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1. The IBM 5150 personal computer (1981) was equipped with how much RAM?

   1. 16 MB

   2. 16 KB

   3. 16 GB

   4. 512 Bytes

2. Which part of the OS manages the process of reading a file from the hard drive and sending it to the screen?

   1. Graphical Shell

   2. Command-line Shell

   3. Kernel

   4. Application Software

3. An independent program that is currently being executed by the computer is called a:

   1. Task

   2. Process

   3. Thread

   4. All

4. When task performed by more than one processor it is called:

   1. Multitasking

   2. Multiprocessing

   3. Multithreading

   4. Multi management

5. Processes are isolated from one another primarily to ensure:

   1. Program deletion

   2. Low battery usage

   3. High screen resolution

   4. Stability and security

6. NVMe is used in:

   1. RAM

   2. ROM

   3. External USB

   4. SSD or HDD

7. When you save a file in a text editor, the program uses a system call to write data to the:

   1. CPU

   2. RAM

   3. Storage drive

   4. Monitor display

8. In the context of an Operating System, any program that is currently running or active is called a:

   1. Fetching

   2. Decoding

   3. Storing

   4. Process

9. Which of the following is NOT a property included in a file's metadata?

   1. File name

   2. File size

   3. Date of creation

   4. Physical weight of the hard drive

10. Which of the following is not the task of OS?

    1. Manage user accounts

    2. Share resources

    3. Manage cash

    4. Protect access