9th Class Computer Chapter 1 TestINTRODUCTION TO COMPUTATIONAL SYSTEMS

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

1. What is the primary purpose of Application Software?

   1. To help users perform specific tasks

   2. To manage system resources

   3. To act as a bridge for hardware

   4. To provide a platform for other software

2. Microsoft Windows and Linux are examples of:

   1. Utility Programs

   2. Device Drivers

   3. Operating Systems

   4. Web Browsers

3. How is 1’s Complement calculated?

   1. By adding 1 to the binary number

   2. By dividing the binary number by 2

   3. By inverting all bits

   4. By removing the sign bit

4. What is the function of system software?

   1. To facilitate communication between hardware and software

   2. To perform specific tasks for the user

   3. To create visual content

   4. To organize and analyze data

5. In signed integers, what is the purpose of the Most Significant Bit (MSB)?

   1. To store the smallest digit

   2. To act as a sign bit 0 for positive, 1 for negative

   3. To double the value of the number

   4. To indicate an error in calculation

6. In Binary Subtraction, the number to be subtracted is called the:

   1. Minuend

   2. Subtrahend

   3. Product

   4. Quotient

7. Binary Division follows steps similar to:

   1. Addition

   2. 2's Complement

   3. Decimal long division

   4. Logical gates

8. Which of the following is an example of application software?

   1. Microsoft Word

   2. BIOS

   3. Disk Cleanup

   4. Device Manager

9. Which storage device uses flash memory for faster access times and better performance?

   1. CD

   2. HDD

   3. SDD

   4. DVD

10. To subtract a number using 2's complement, you first invert the bits and then:

    1. Add 1

    2. Subtract 1

    3. Multiply by 2

    4. Discard the last bit