Question

1. Identify the output device
(a) Keyboard
(b) Memory
(c) Monitor
(d) Mouse
2........... Output device is used for printing building plan, flex board, etc.
(a) Thermal printer (b) Plotter (c) Dot matrix (d) inkjet printer
3. Which one of the following is the main memory?
(a) ROM
(b) RAM
(c) Flash drive
d) Hard disk
4. How many characters can be handled in Binary Coded Decimal System?
a) 64
b) 255
c) 256
d) 128
5. Which amongst this is not an Octal number?
a) 645
b) 234
c) 876
d) 123​

Answer 1

Explanation:

Monitor

Plotter

RAM

64

645

Answer 2

Answer:

1. montitor

2. plotter

3. RAM

4. 64

5. c) 876 is not an octal number