26. ________ software is written to perform a specific task or process such as accounting, payroll, mailing list and so on.
(A) System
(B) Utility
(C) Application
(D) General
Answer:
(C) Application
Explanation:
Application software refers to programs designed to perform specific end-user tasks, distinguishing them from system software which runs the computer hardware itself.
27. Android is an open source mobile OS and is developed by:
(A) Apple
(B) Microsoft
(C) Google
(D) IBM
Answer:
(C) Google
Explanation:
Android is a mobile operating system based on a modified version of the Linux kernel, developed primarily by Google.
28. Which of the following is not correct about Ring Topology?
(A) All the computers are connected in a closed loop
(B) Uses central computer to share data
(C) Message travels around the ring
(D) Token passing system is used to manage access
Answer:
(B) Uses central computer to share data
Explanation:
A network relying on a central computer (hub/switch) to share data is a “Star Topology.” Ring topology connects nodes sequentially in a continuous loop without a central hub.
29. One Tera byte is equals to:
(A) 1500 GB
(B) 1200 MB
(C) 1000 GB
(D) 1000 MB
Answer:
(C) 1000 GB
Explanation:
In the standard decimal (SI) system used by storage manufacturers, 1 Terabyte (TB) equals 1,000 Gigabytes (GB).
30. The devices which are used to control, monitor or assist the operation of an equipment, machinery or plant:
(A) IoT devices
(B) Embedded devices
(C) Timers
(D) Simulators
Answer:
(B) Embedded devices
Explanation:
Embedded devices/systems are specialized computer systems hidden inside a larger mechanical or electrical system, designed specifically to control or monitor its operations.