Description : The versions of windows operating system like windows XP and window Vista uses following file system: (A) FAT-16 (B) FAT-32 (C) NTFS (NT File System) (D) All of the above
Last Answer : (D) All of the above
Description : Which of the following is not the function of Microkernel? A) File management B) Low-level memory management C) Inter-process communication D) I/O interrupts management
Last Answer : A) File management
Description : A part of Windows 2000 operating system that is not portable is (A) Device Management (B) Virtual Memory Management (C) Processor Management (D) User Interface
Last Answer : (B) Virtual Memory Management
Description : ……………….. is a example of an operating system that support single user process and single thread. A) UNIX B) MS-DOS C) OS/2 D) Windows 2000
Last Answer : B) MS-DOS
Description : One of the disadvantages of user level threads compared to Kernel level threads is (1) If a user level thread of a process executes a system call, all threads in that process are ... privileges. (4) The library procedures invoked for thread management in user level threads are local procedures.
Last Answer : If a user level thread of a process executes a system call, all threads in that process are blocked.
Description : WOW32 is a: (A) Win 32 API library for creating processes and threads. (B) Special kind of file system to the NT name space. (C) Kernel - mode objects accessible through Win32 API (D) Special execution environment used to run 16 bit Windows applications on 32 - bit machines.
Last Answer : (D) Special execution environment used to run 16 bit Windows applications on 32 - bit machines.
Description : Which partition mark as active in windows 10 ? 1000 MB fat32 (System, Primary Partition) OR 100 GB NTFS (Boot, Page File, Primary Partition)?
Last Answer : answer:I am not sure when you have to mark a partition as active. Actually both will have to be active. The “Boot” is used during startup, and “System” is your whole Windows, applications, etc. after startup.
Description : Possible thread states in Windows 2000 operating system include: (A) Ready, running and waiting (B) Ready, standby, running, waiting, transition and terminated. (C) Ready, running, waiting, transition and terminated (D) Standby, running, transition and terminated.
Last Answer : (B) Ready, standby, running, waiting, transition and terminated.
Description : The character set used in Windows 2000 operating system is .... (A) 8 bit ASCII (B) Extended ASCII (C) 16 bit UNICODE (D) 12 bit UNICODE
Last Answer : (C) 16 bit UNICODE
Description : The translator which performs macro calls expansion is called : (A) Macro processor (B) Micro pre-processor (C) Macro pre-processor (D) Dynamic linker
Last Answer : (C) Macro pre-processor
Description : Java servlets are an efficient and powerful solution for creating ………….. for the web. A) Dynamic content B) Static content C) Hardware D) Both a and b
Last Answer : A) Dynamic content
Description : A Design concept Refinement is a: (A) Top-down Approach (B) Complementary of Abstraction concept (C) Process of elaboration (D) All of the above
Description : The conceptual model is (A) dependent on hardware. (B) dependent on software. (C) dependent on both hardware and software . (D) independent of both hardware and software.
Last Answer : (D) independent of both hardware and software.
Description : Which of the following is/ are the part of operating system? A) Kernel services B) Library services C) Application level services D) All of the above
Last Answer : D) All of the above
Description : In an operating system, indivisibility of operation means : (A) Operation is interruptable (B) Race - condition may occur (C) Processor can not be pre-empted (D) All of the above
Last Answer : (C) Processor can not be pre-empted
Description : Which of the following are the functions of operating system? i) recovering from errors ii) facilitating input/output iii) facilitating parallel operation iv) sharing hardware among users v) implementing user interface A) i, ii, ... only C) ii, iii, iv and v only D) All i, ii, iii, iv and v
Last Answer : D) All i, ii, iii, iv and v
Description : Which of the following is/are the functions of operating system? i) Sharing hardware among users. ii) Allowing users to share data among themselves. iii) Recovering from errors. iv) Preventing users from interfering with one another. ... only C) i, iii, iv and v only D) All i, ii, iii, iv and v
Description : The different types of tables maintained by the operating system are ............. A) memory, logical , I/O file B) memory, I/O, file, physical C) memory, I/O, file, process D) memory, logical, I/O, physical
Last Answer : C) memory, I/O, file, process
Description : In Unix operating system, special files are used to : (A) buffer data received in its input from where a process reads (B) provide a mechanism to map physical device to file names (C ... pointers associated with i-nodes (D) store information entered by a user application program or utility program
Last Answer : (B) provide a mechanism to map physical device to file names
Description : The distributed system is a collection of (P) and communication is achieved in distributed system by (Q) , where (P) and (Q) are : (A) Loosely coupled hardware on tightly ... message passing ,respectively. (D) Loosely coupled software on tightly coupled hardware and file sharing, respectively.
Last Answer : (C) Tightly coupled software on loosely coupled hardware and message passing ,respectively.
Description : The program which provide partitioning, isolation or abstraction is called? A. virtualization hypervisor B. software hypervisor C. hardware hypervisor D. system hypervisor
Last Answer : virtualization hypervisor
Description : A dynamic RAM has refresh cycle of 32 times per msec. Each refresh operation requires 100 nsec and a memory cycle requires 250 nsec. What percentage of memory’s total operating time is required for refreshes? (A) 0.64 (B) 0.96 (C) 2.00 (D) 0.32
Last Answer : Answer: D Explanation: in 1ms : refresh = 32 times Memory cycle = 1ms/250ns = 106ns/250ns = 4000 times Therefore, % of refresh time = (32 x 100ns)/(4000 x 250ns) = 3200ns/1000000 x 100% = 0.32%
Description : The most important and common protocols associated TCP/IP internetwork layer are. i) Internet protocol(IP) ii) Internet control Message Protocol(ICMP) iii) Bootstrap Protocol (BooTP) iv) Dynamic Host Configuration Protocol (DHCP) v) ... C) ii, iii, iv and v only D) All i, ii, iii, iv and v
Description : The most important and common protocols associated TCP/IP internetwork layer are. i) Internet Protocol (IP) ii) Internet Control Message Protocol (ICMP) iii) Bootstrap Protocol (BOOTP) iv) Dynamic Host Configuration Protocol (DHCP) V) ... C) i, iii, iv and v only D) All i, ii, iii, iv and v only
Last Answer : D) All i, ii, iii, iv and v only
Description : Which of the following cloud concept is related to pooling and sharing of resources? a) Polymorphism b) Abstraction c) Virtualization d) None of the mentioned
Last Answer : Virtualization
Description : What is Data Abstraction? How is it implemented in Java?
Last Answer : A: Act of representing only essential features without including its background details is called Abstraction. Data Abstraction can also be defined as the process of hiding the implementation details and showing ... Java, it is implemented by the use of interfaces or by making the class abstract.
Description : Module design is used to maximize cohesion and minimize coupling. Which of the following is the key to implement this rule? (A) Inheritance (B) Polymorphism (C) Encapsulation (D) Abstraction
Last Answer : (C) Encapsulation
Description : Cohesion is an extension of: (A) Abstraction concept (B) Refinement concept (C) Information hiding concept (D) Modularity
Last Answer : (C) Information hiding concept
Description : Abstraction and encapsulation are fundamental principles that underlie the object oriented approach to software development. What can you say about the following two statements? I. Abstraction allows us to focus on what something ... and II are correct. (3) Only II is correct. (4) Only I is correct.
Last Answer : (1) Neither I nor II is correct.
Description : Distributed operating systems consist of: (1) Loosely coupled O.S. software on a loosely coupled hardware (2) Loosely coupled O.S. software on a tightly coupled hardware (3) Tightly coupled O.S. software on a loosely coupled hardware (4) Tightly coupled O.S. software on a tightly coupled hardware
Last Answer : Answer: 3
Description : Describe following terms: Inheritance, data abstraction, data encapsulation, dynamic binding.
Last Answer : Inheritance: 1. Inheritance is the process by which objects of one class acquire the properties of objects of another class. 2. It supports the concept of hierarchical classification. It also provides the ... with a given procedure call is not known until the time of the call at run-time.
Description : Define the following terms: (i) Data abstraction (ii) Class (iii) Dynamic binding (iv) Polymorphism
Last Answer : (i) Data abstraction: Abstraction refers to the act of representing essential features without including the background details or explanation. Data abstraction is the process of defining a data type, often ... more than one form at different instances depending on the type or number of arguments.
Description : The mean-end analysis process centers around the detection of differences between the current state and the goal state. Once such a difference is isolated, an operator that can reduce the difference ... (A) backward planning (B) goal stack planning (C) operator subgoaling (D) operator overloading
Last Answer : (C) operator subgoaling
Description : A device is sending out data at the rate of 2000 bps. How long does it take to send a file of 1,00,000 characters ? (A) 50 (B) 200 (C) 400 (D) 800
Last Answer : (C) 400 Explanation: 1,00,000 characters = 1,00,000 x 8 bits = 8,00,000 bits 8,00,000 bits/2000 bps = 400 seconds
Description : Which of the following is not a partof astandard office suite? A. Word Processor B. Database C. Image Editor D. File Manager
Last Answer : File Manager
Description : The ............layer of OSI model can use the trailer of the frame for error detection. A) Physical B) Data link C) Transport D) Presentation
Last Answer : A) Physical
Description : The layer one of the OSI model is A) Physical layer B) Link layer C) Router layer D) Broadcast layer
Last Answer : A) Physical layer
Description : The ............ layer change bits onto electromagnetic signals. A) Physical B) Transport C) Data Link D) Presentation
Description : Which layer of OSI reference model is responsible for decomposition of messages and generation of sequence numbers to ensure correct re-composition from end to end of the network? (A) Physical (B) Data-link (C) Transport (D) Application
Last Answer : (C) Transport
Description : File management function of the operating system includes i) File creation and deletion ii) Disk scheduling iii) Directory creation iv) Mapping file in secondary storage. A) i, ii and iii only B) i, iii and iv only C) ii, iii and iv only D) All i, ii, iii and iv
Last Answer : B) i, iii and iv only
Description : ........... is a large kernel containing virtually the complete operating system, including, scheduling, file system, device drivers and memory management. A) Multilithic kernel B) Monolithic kernel C) Micro kernel D) Macro kernel
Last Answer : B) Monolithic kernel
Description : Java Servlet i) is key component of server side java development ii) is a small pluggable extension to a server that enhances functionality iii) runs only in Windows Operating System iv) allows developers to customize any java ... & iv are true C) ii, iii & iv are true D) i, ii & iv are true
Last Answer : D) i, ii & iv are true
Description : C can be used on A) Only MS-Dos operating System B) Only Linux operating system C) Only Windows operating system D) All of the above
Description : The routing processor of arouter performs the ________ layer functions of therouter. A) physical and data link B) network C) transport D) none of the above
Last Answer : network
Description : Windows 7 is a(an): A. Word Processor B. Operating System C. Application Software D. None of these
Last Answer : ANSWER: B
Description : Windows 7 is a(an): A. Word Processor B. Operating System C. Application Software 17 D. None of these
Description : In process scheduling, ………………… determines which ready process will be executed next by processor. A) long term scheduling B) medium term scheduling C) short term scheduling D) none of the above
Last Answer : C) short term scheduling
Description : .............. refers to a situation in which a process is ready to execute but is continuously denied access to a processor in deference to other processes. A) Synchronization B) Mutual Exclusion C) Dead lock D) Starvation
Last Answer : D) Starvation
Description : Some of the criteria for calculation of priority of a process are: a. Processor utilization by an individual process. b. Weight assigned to a user or group of users. c. Processor utilization by a user or group of processes. In fair share ... (a) and (c) (3) (a), (b) and (c) (4) only (b) and (c)
Last Answer : (3) (a), (b) and (c)
Description : What is the most appropriate function of Memory Management Unit (MMU) ? (A) It is an associative memory to store TLB (B) It is a technique of supporting multiprogramming by creating dynamic partitions ... to physical address (D) It is an algorithm to allocate and deallocate main memory to a process
Last Answer : (C) It is a chip to map virtual address to physical address