171. Under multiprogramming, turnaround time for short jobs is usually _____ and that for long jobs is slightly _____. September 2, 2025 by Admin lengthened; shortened shortened; lengthened shortened; shortened lengthened; lengthened ✅ The correct answer is option B.
172. Internet Explorer is September 2, 2025 by Admin an Internet browser provided by Windows OS an access point for Word Wide Web All of above ✅ The correct answer is option D.
173. In analyzing the compilation of PL/I program, the term “Machine independent optimization” is associated with September 2, 2025 by Admin recognition of basic syntactic constructs through reductions recognition of basic elements and creation of uniform symbols creation of more optional matrix use of macro processor to produce more optimal assembly code ✅ The correct answer is option C.
174. Feed back queue September 2, 2025 by Admin are very easy to implement dispatch tasks according to execution characteristics are used to favor real-time tasks require manual intervention to implement properly ✅ The correct answer is option B.
175. Work group means September 2, 2025 by Admin Computer in network Individual user Connection All of the above ✅ The correct answer is option A.
176. The ……. contains commands associated with the My Computer window September 2, 2025 by Admin Standard menu Start menu System menu None of the above ✅ The correct answer is option C.
177. Which is the layer of a computer system between the hardware and the user program September 2, 2025 by Admin Operating environment Operating system System environment None ✅ The correct answer is option B.
178. A relationship between processes such that each has some part (critical section) which must not be executed while the critical section of another is being executed, is known as September 2, 2025 by Admin semaphore mutual exclusion multiprogramming multitasking ✅ The correct answer is option B.
179. GUI means September 2, 2025 by Admin Graphic user interface Geographic user interface Graphical user interface Geometric user interface ✅ The correct answer is option C.
180. …… controls the way in which the computer system functions and provides a means by which users can interact with the computer September 2, 2025 by Admin The platform The operating system Application software The motherboard ✅ The correct answer is option B.