14. How is a negative integer represented in a computer?
a) Using sign-magnitude
b) Using 1’s complement
c) Using 2’s complement
d) All of these
Answer: d) All of these
15. Which method is most commonly used for floating-point representation?
a) Decimal Point
b) IEEE 32-bit
c) Binary Expansion
d) None of these
Answer: b) IEEE 32-bit
16. Which component in IEEE floating-point representation is used to indicate the sign?
a) Fraction
b) Exponent
c) Sign bit
d) Normalized value
Answer: c) Sign bit
17. Which storage device is optical?
a) Hard disk
b) CD
c) Pen drive
d) Cache
Answer: b) CD
18. What is the typical capacity of a DVD?
a) 650 MB
b) 700 MB
c) 4 GB
d) 1 GB
Answer: c) 4 GB
19. Which type of storage device uses magnetic recording?
a) Hard Disk
b) CD
c) DVD
d) Pen Drive
Answer: a) Hard Disk
20. What is the typical capacity of a USB pen drive?
a) 4-64 KB
b) 4-64 MB
c) 4-64 GB
d) 4-64 TB
Answer: c) 4-64 GB
21. What type of optical disk allows multiple rewrites?
a) CD-ROM
b) CD-R
c) CD-RW
d) DVD
Answer: c) CD-RW
22. Which format is commonly used for images in raster form?
a) BMP
b) JPG
c) PNG
d) All of these
Answer: d) All of these
23. What is a vector image best used for?
a) Videos
b) Photos
c) Fonts and logos
d) Audio files
Answer: c) Fonts and logos
24. How is Unicode advantageous over ASCII?
a) More efficient
b) Represents global characters
c) Faster processing
d) Smaller size
Answer: b) Represents global characters
25. What is the pixel resolution of a 3.1 MP image?
a) 1024 x 768
b) 1280 x 720
c) 2048 x 1536
d) 3840 x 2160
Answer: c) 2048 x 1536
