51. Which of the following is NOT an example of system software?
a) Operating System
b) Compiler
c) Microsoft Word
d) Device Driver
Answer:
c) Microsoft Word
Explanation:
Microsoft Word is an application software designed for user productivity (word processing), whereas OS, compilers, and drivers are system software that run the hardware itself.
52. A company with offices in Delhi and Mumbai connects them via leased lines. This is a:
a) LAN
b) WAN
c) PAN
d) MAN
Answer:
b) WAN
Explanation:
A Wide Area Network (WAN) connects computer networks across large geographic distances, such as between different major cities like Delhi and Mumbai.
53. Which topology uses a single backbone cable?
a) Bus
b) Mesh
c) Tree
d) Star
Answer:
a) Bus
Explanation:
In a bus topology network, every computer and network device is connected to a single central cable, known as the backbone.
54. A website address like “www.example.com” is translated into an IP address by which of the following?
a) Web Browser
b) HTTP Server
c) DNS (Domain Name System)
d) ISP (Internet Service Provider)
Answer:
c) DNS (Domain Name System)
Explanation:
The Domain Name System (DNS) acts as the phonebook of the internet, translating human-readable domain names into the numerical IP addresses required to locate computer services.
55. A printer is an example of:
a) Input Device
b) Processing Device
c) Storage Device
d) Output Device
Answer:
d) Output Device
Explanation:
A printer receives electronic data from a computer and outputs it in a physical, human-readable format onto paper, making it an output device.
