QUIZ -2

Marks: 20 Duration: 20 Minutes


Section – I (Multiple Choices) (10×1=10 marks)


1. Which key known as return key?
a. F1
b. Alt
c. Enter
d. Shift.

2. Which type of mouse emits and senses light to detect movement?
a. Cordless.
b. Optical.
c. Wireless.
d. Mechanical.

3. A ____ port is an interface that connects devices by transferring one bit at a time.
a. serial
b. parallel
c. USB
d. Mouse

4. Which one is an input device?
a. Data projector
b. Printer
c. Speaker
d. Bar code reader

5. Which of the following is not a modifier key?
a. F1
b. ALT
c. CTRL
d. SHIFT.

6. Which type of software can translate scanned text that you can edit?
a. OCS
b. ORC
c. OCR
d. ORS




7. A ____ is used to identity a product and provide information about it, such as its price.
a. Price check
b. Bar code reader
c. Bar Code
d. Numeric digit
8. ____________ numbering system used by the computer.
a. Decimal
b. Binary
c. Hexadecimal
d. Octal

9. ____________ are high speed memory locations built directly into the CPU that holds data while they are being processed.
a. Cache Memory
b. Registers
c. Address Bus
d. Machine Cycle
10. This cache holds the most recently used data or instructions
a. L1
b. L2
c. L3
d. L4




Section – IV (Short Questions) (10 marks)

1. Define the term ‘Registers’. [2]








2. Define the term Cache Memory [2]









3. How computer take input from Keyboard describe? [4]


















4. What does an image scanner do?