Description : The simultaneous processing of two or more programs by multiple processors is a) multiprogramming b) multitasking c) time-sharing d) multiprocessing e) None of these
Last Answer : a) multiprogramming
Description : The simultaneous processing of two or more programs by multiple processors is ..... 1) multiprogramming 2) multitasking 3) time-sharing 4) multiprocessing
Last Answer : 4) multiprocessing
Description : Which one allow two or more users to run programs at the same time 1) Multiuser 2) Multitasking 3) Multiprocessing 4) None
Last Answer : 1) Multiuser
Description : Which one allow two or more users to run programs at the same time 1 Multiuser 2 Multitasking 3 Multiprocessing 4 None
Last Answer : 1 Multiuser
Description : The simultaneousprocessing of twoor more programs by multiple processors is– (A) multiprogramming (B) multitasking (C) time-sharing (D) multiprocessing (E) None of these
Last Answer : multiprocessing
Description : Describe the procedure for working of paging system.
Last Answer : Pager is a Simplex Communication Device. Paging Systems are communication systems that send messages to a subscriber. Message can be numeric or alphanumeric. Paging Systems are used to notify a subscriber ... message is sent by sender to his pager and the message will be displayed in the LCD.
Description : For the implementation of a paging scheme, suppose the average process size be x bytes, the page size be y bytes, and each page entry requires z bytes. The optimum page size that minimizes the total overhead due to the page ... fragmentation loss is given by (A) x/2 (B) xz/2 (C) √2xz (D) (√xz)/2
Last Answer : (C) √2xz
Description : Water logging of soil makes it physiologically dry because (a) this condition does not allow the capillary force to work (b) this condition does not allow oxygen to enter the soil(c) both (a) and (b) (d) none of these
Last Answer : (b) this condition does not allow oxygen to enter the soil
Description : Water logging of soil makes it physiologically dry because- (a) This condition does not allow the capillary force to work b) this condition does not allow oxygen to enter the soil C) both (a) and (b) d) none of these
Last Answer : b) this condition does not allow oxygen to enter the soil
Description : Which crop requires water-logging for its cultivation? a) Tea b) Coffee c) Rice d) Mustard
Last Answer : c) Rice
Description : Preemptive and cooperative both are type of 1) Multiprogramming 2) Multitasking 3) Multi-user 4) None
Last Answer : 2) Multitasking
Description : Macintosh computer use_____ Multitasking 1) Preemtive 2) cooperative 3) multiprogramming 4) none
Last Answer : 2) cooperative
Description : Unix Operating System use _________ Multitasking 1) Preemptive 2) Cooperative 3) multiprogramming 4) None
Last Answer : 1) Preemptive
Description : Preemptive and cooperative both are type of 1 Multiprogramming 2 Multitasking 3 Multi-user 4 None
Last Answer : 2 Multitasking
Description : Macintosh computer use_____ Multitasking 1 Preemtive 2 cooperative 3 multiprogramming 4 none
Last Answer : 2 cooperative
Description : Unix Operating System use _________ Multitasking 1 Preemptive 2 Cooperative 3 multiprogramming 4 None
Last Answer : 1 Preemptive
Description : Rearranging and allocating space in memory to provide for multiple computing tasks is called (1) Networking (2) Multiprogramming (3) Multitasking (4) Memory Management
Last Answer : Memory Management
Description : Which of the following is not an operating system ? (1) Multi user-Single tasking (2) Single user- Single tasking (3) Single user-Multitasking (4) Multi user-Multitasking
Last Answer : Multi user-Single tasking
Description : The principle of time sharing is 1) large numbers of users direct access to the computer for problem solving 2) large number of user for file sharing 3) both of above 4) none
Last Answer : large numbers of users direct access to the computer for problem solving
Last Answer : 1) large numbers of users direct access to the computer for problem solving
Description : The principle of time sharing is 1 large numbers of users direct access to the computer for problem solving 2 large number of user for file sharing 3 both of above 4 none
Last Answer : 1 large numbers of users direct access to the computer for problem solving
Description : __________ is a content distribution protocol enables efficient software distribution and peer-to-peer sharing of very large files by enabling users to serve as network redistribution points. A. Freeware B. BitTorrent C. CorelDraw D. None of the above.
Last Answer : B. BitTorrent
Description : The process of division on memory spaces is called ______________ a) Paging b) Segmentation c) Bifurcation d) Dynamic Division
Last Answer : Answer: b Explanation: The memory space is divided into segments of dynamic size. The programmer is aware of the segmentation and can reallocate the segments accordingly
Description : Technique to implement virtual memory where memory is divided into units of fixed size memory is _________ A. Paging B. De-fragments C. Segmentation D. None of the above
Last Answer : A. Paging
Description : A thread is a______: a) lightweight process where the context switching is low b) lightweight process where the context switching is high c) is used to speed up paging d) None of The Above
Last Answer : a) lightweight process where the context switching is low
Description : Poor response times are usually caused by 1) Process busy 2) High I/O rates 3) High paging rates 4) Any of the above
Last Answer : 4) Any of the above
Description : Poor response times are usually caused by 1 Process busy 2 High I/O rates 3 High paging rates 4 Any of the above
Last Answer : 4 Any of the above
Description : Which of the following is not reckoned as a ‘value added’ telecommunication service? (1) Electronic Mail (2) STD (3) FAX (4) Radio-Paging Service
Last Answer : FAX
Description : What identification bond characterized by the sharing of electrons between atoms?
Last Answer : This is the covalent bond.
Description : Write a procedure to perform the operation for managing the users / groups.
Last Answer : Creating a user with a default setting: A user can be added by running the useradd command at the command prompt. # useraddabc # passwdabc Changing password for user anirban. New password: ... delete a group, run the groupdel command with the group name, as shown below: # groupdelmynewgroup
Description : How many digitsof the DNIC (Data Network Identification Code) identify the country? A. first three B. first four C. first five D. first six E. None of the above
Last Answer : first three
Description : At what time during a patient's hospital stay does discharge planning begin? a) Admission To prepare for early discharge and the possible need for follow-up in the home, discharge planning begins with ... and agencies in the planning process and is not relegated to a specific day of hospital stay.
Last Answer : a) Admission To prepare for early discharge and the possible need for follow-up in the home, discharge planning begins with the patient’s admission.
Description : How does multitasking in iOS4 actually work?
Last Answer : It’s not true multi-tasking. I believe from reading that it puts the program on “hold” therefore not draining battery power. When you go back to the program it resumes where you left off.
Description : Which operating system is better at multitasking Mac OS or Windows Vista?
Last Answer : It depends on your preference. Both Mac OS X and Windows Vista are excellent for multitasking.
Description : Process based multitasking is totally controlled by the A) program B) thread C) operating system D) none of the above
Last Answer : Process based multitasking is totally controlled by the operating system
Description : Paging through your photo albums, do you find yourself smiling more, tearing up, nodding your head in disbelief over how fast time went?
Last Answer : answer:Oh, yes. Yes. I had about 20 rolls of 35 mm film, going back to 1995 that I just finished developing last year. I’d take 1–3 in every payday. THAT was a trip.
Description : In a demand paging memory system, page table is held in registers. The time taken to service a page fault is 8 m.sec. if an empty frame is available or if the replaced page is not modified, and it takes 20 m.secs., if the replaced ... ? (A) 11.6 m.sec. (B) 16.4 m.sec. (C) 28 m.sec. (D) 14 m.sec.
Last Answer : (B) 16.4 m.sec.
Description : In a paging system, it takes 30 ns to search translation Look-aside Buffer (TLB) and 90 ns to access the main memory. If the TLB hit ratio is 70%, the effective memory access time is: (1) 48 ns (2) 147 ns (3) 120 ns (4) 84 ns
Last Answer : Answer: 2
Description : The input device most commonly used to enter text would be the: a) Bar Code Reader b) Microphone c) Keyboard d) None of The Above
Last Answer : c) Keyboard
Description : Which of the following statements are not true in respect of HIV/AIDS transmission? (a) HIV infection is usually spread by having sexual (b) HIV frequently spreads among injection drug users ... spreads through casual contact such as sharing towels and bedding or via swimming pools or toilet seats
Last Answer : Ans:(a)
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 : (Paging Dr. J and Dr. House) Why do I have such low energy?
Last Answer : You might have chronic fatigue syndrome. I had it for some time when all my blood tests showed perfection. It was due to a change in my exersizing…have you changed anything in your fitness routine?
Description : Compare the memory organization schemes of contiguous memory allocation, pure segmentation, and pure paging with respect to the following issues External fragmentation?
Last Answer : 1. Compare the memory organization schemes of contiguous memory allocation, pure segmentation, and pure paging with respect to the following issues: a. External fragmentationb. Internal fragmentation
Description : What is difference between paging and swapping?
Last Answer : Nothing -- they are the same thing.
Description : What is the maximum line-of-sight distance between a paging antenna 250 ft high and a pager receiver 3.5ft of the ground? A. 25 km B.25mi C. 70.73 km D. 70.73 mi
Last Answer : B.25mi
Description : State true of false. i) With paging, each process is divided into relatively small, fixed-size pages. ii) Segmentation provides for the use of pieces of varying size. A) Partition management B) Memory management C) Disk management D) All of the above
Last Answer : B) Memory management
Description : ..................... provides a larger sized of virtual memory but require virtual memory which provides multidimensional memory. A) Paging method B) Segmentation method C) Paging and segmentation method D) None of these
Last Answer : B) Segmentation method
Description : With ................ a page is brought into main memory only when the reference is made to a location on that page. A) demand paging B) main paging C) prepaging D) postpaging
Last Answer : A) demand paging
Description : Which of the following channel provides paging signals from base station to all mobiles in the cell? a) RACH b) AGCH c) DCCH d) PCH
Last Answer : d) PCH