What is memory management in operating system?

What is memory management in operating system?
by

1 Answer

Answer :

teri maa ki chut
by
selected by

Related questions

Which of the following is not a function of an operating system? (a) File management (b) Memory management -Technology

Description : Which of the following is not a function of an operating system? (a) File management (b) Memory management -Technology

Last Answer : (d) Database management is not a function of an operating system.

Which one among the following is not included in the basic functions of operating system? 1) Job Control 2) Job Scheduling 3) Memory Management 4) Data Management

Description : Which one among the following is not included in the basic functions of operating system? 1) Job Control 2) Job Scheduling 3) Memory Management 4) Data Management

Last Answer : 1) Job Control

........... 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

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

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

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

An operating system manages (a) memory (b) processor (c) disk and I/O devices (d) All of these -Technology

Description : An operating system manages (a) memory (b) processor (c) disk and I/O devices (d) All of these -Technology

Last Answer : (d) An operating system manages disk and I/O devices as it is responsible for input from keyboard, mouse etc. It also manages the computer memory, so that each process can run most effectively.

______ is the first layer of software loaded into computer memory when it starts up. A. Device Drivers B. Language translators C. System Utilities D. Operating system

Description : ______ is the first layer of software loaded into computer memory when it starts up. A. Device Drivers B. Language translators C. System Utilities D. Operating system

Last Answer : D. Operating system

_________is a copy of Basic Input/Output Operating System (BIOS) routines from Read Only Memory (ROM) into a special area of RAM so that they can be accessed more quickly. A. Dynamic RAM B. Shadow RAM C. Synchronous Graphics RAM D. Video RAM

Description : _________is a copy of Basic Input/Output Operating System (BIOS) routines from Read Only Memory (ROM) into a special area of RAM so that they can be accessed more quickly. A. Dynamic RAM B. Shadow RAM C. Synchronous Graphics RAM D. Video RAM

Last Answer : B. Shadow RAM

_____________is a feature of an operating system that allows a computer to compensate for shortages of physical memory by temporarily transferring pages of data from RAM to disk storage. A. Flash memory B. Virtual memory C. Buffer D. None of the Above

Description : _____________is a feature of an operating system that allows a computer to compensate for shortages of physical memory by temporarily transferring pages of data from RAM to disk storage. A. Flash memory B. Virtual memory C. Buffer D. None of the Above

Last Answer : B. Virtual memory

Overlay is: a) A part of an operating system b) A single contiguous memory that is used in olden days for running large programs by swapping c) Overloading the system with many user files d) None of The Above

Description : Overlay is: a) A part of an operating system b) A single contiguous memory that is used in olden days for running large programs by swapping c) Overloading the system with many user files d) None of The Above

Last Answer : b) A single contiguous memory that is used in olden days for running large programs by swapping

A(n) ______ is a set of programs designed to manage the resources of a computer, including starting the computer, managing programs, managing memory and coordinating tasks between input and output devices. a) application suite b) compiler c) input/output system d) operating system e) None of these

Description : A(n) ______ is a set of programs designed to manage the resources of a computer, including starting the computer, managing programs, managing memory and coordinating tasks between input and output devices. a) application suite b) compiler c) input/output system d) operating system e) None of these

Last Answer : d) operating system

Secondary memory can store____: a. Program store code b. Compiler c. Operating system d. All of these

Description : Secondary memory can store____: a. Program store code b. Compiler c. Operating system d. All of these

Last Answer : d. All of these

Prolog is A. A programming language based on logic B. A computer where each processor has its own operating system, its own memory, and its own hard disk C. Describes the structure of the contents of a database D. None of these

Description : Prolog is A. A programming language based on logic B. A computer where each processor has its own operating system, its own memory, and its own hard disk C. Describes the structure of the contents of a database D. None of these

Last Answer : A. A programming language based on logic

Massively parallel machine is A. A programming language based on logic B. A computer where each processor has its own operating system, its own memory, and its own hard disk C. Describes the structure of the contents of a database. D. None of these

Description : Massively parallel machine is A. A programming language based on logic B. A computer where each processor has its own operating system, its own memory, and its own hard disk C. Describes the structure of the contents of a database. D. None of these

Last Answer : B. A computer where each processor has its own operating system, its own memory, and its own hard disk

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

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

In ............. generation of operating system, operating system designers develop the concept of multiprogramming in which several jobs are in main memory at once. A) First B) Second C) Third D) Fourth

Description : In ............. generation of operating system, operating system designers develop the concept of multiprogramming in which several jobs are in main memory at once. A) First B) Second C) Third D) Fourth

Last Answer : C) Third

A thread is usually defined as a light weight process because an Operating System (OS) maintains smaller data structure for a thread than for a process. In relation to this, which of the following statement is correct? (A) OS maintains only scheduling and accounting information for each thread. (B) OS maintains only CPU registers for each thread. (C) OS does not maintain a separate stack for each thread. (D) OS does not maintain virtual memory state for each thread.

Description : A thread is usually defined as a light weight process because an Operating System (OS) maintains smaller data structure for a thread than for a process. In relation to this, which of the following ... separate stack for each thread. (D) OS does not maintain virtual memory state for each thread.

Last Answer : (B) OS maintains only CPU registers for each thread.

In UNIX operating system, when a process creates a new process using the fork() system call, which of the following state is shared between the parent process and child process? (A) Heap (B) Stack (C) Shared memory segments (D) Both Heap and Stack

Description : In UNIX operating system, when a process creates a new process using the fork() system call, which of the following state is shared between the parent process and child process? (A) Heap (B) Stack (C) Shared memory segments (D) Both Heap and Stack

Last Answer : (C) Shared memory segments 

A project management information system consists of: 1. A project management software package operating on appropriate computer facilities 2. Hardware, software, documents, and procedures 3. Automated and manual methods for gathering, recording, filtering, and dissemination of pertinent information for members of a project team 4. All of the above

Description : A project management information system consists of: 1. A project management software package operating on appropriate computer facilities  2. Hardware, software, documents, and procedures  3. Automated and ... of  pertinent information for members of a project team  4. All of the above

Last Answer : 4. All of the above

Loading is with the task of storage management of operating system and mostly preformed after assembly: a. Bound b. Expanded c. Overlaps d. All of these

Description : Loading is with the task of storage management of operating system and mostly preformed after assembly: a. Bound b. Expanded c. Overlaps d. All of these

Last Answer : a. Bound

Which is not the function of Operating System? a) Virus Protection b) Application Management c) Disk Management d) None of These

Description : Which is not the function of Operating System? a) Virus Protection b) Application Management c) Disk Management d) None of These

Last Answer : a) Virus Protection

Basic element of operations Management is: a)Customer demand b)Operating system/Process c)Process capacity d)All of the above

Description : Basic element of operations Management is: a)Customer demand b)Operating system/Process c)Process capacity d)All of the above

Last Answer : b)Operating system/Process

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

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

Process Management function of an operating system kernel includes. A) Process creation and termination. B) Process scheduling and dispatching C) Process switching D) All of the above

Description : Process Management function of an operating system kernel includes. A) Process creation and termination. B) Process scheduling and dispatching C) Process switching D) All of the above

Last Answer : D) All of the above

Which of the following memory is capable of operating at electronics speed? A. Magnetic disk B. Magnetic drum C. Semiconductor memory D. None of the Above

Description : Which of the following memory is capable of operating at electronics speed? A. Magnetic disk B. Magnetic drum C. Semiconductor memory D. None of the Above

Last Answer : C. Semiconductor memory

ROM stands for: a) Read Operating Memory b) Random Oriented Memory c) Read Only Memory d) None of These

Description : ROM stands for: a) Read Operating Memory b) Random Oriented Memory c) Read Only Memory d) None of These

Last Answer : c) Read Only Memory

Which among the following memory is capable of operating at "electronics speed": a) Semiconductor memory b) Magnetic Disks c) Magnetic Drums d) None of The Above

Description : Which among the following memory is capable of operating at "electronics speed": a) Semiconductor memory b) Magnetic Disks c) Magnetic Drums d) None of The Above

Last Answer : a) Semiconductor memory

_________ allows different operating systems to run in their own memory space. a) VGM b) VMc c) VMM d) All of the mentioned

Description : _________ allows different operating systems to run in their own memory space. a) VGM b) VMc c) VMM d) All of the mentioned

Last Answer : VMM

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

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%

A method of implementing a memory management system is a. Buddy system b. Bridgeware c. Broadband coaxial system d. All of the above

Description : A method of implementing a memory management system is a. Buddy system b. Bridgeware c. Broadband coaxial system d. All of the above

Last Answer : Buddy system

A method of implementing a memory management system is a. Buddy system b. Bridgeware c. Broadband coaxial system d. All of the above

Description : A method of implementing a memory management system is a. Buddy system b. Bridgeware c. Broadband coaxial system d. All of the above

Last Answer : a. Buddy system

........... is a large kernel, including scheduling file system, networking, device drivers, memory management and more. A) Monolithic kernel B) Micro kernel C) Macro kernel D) Mini kernel

Description : ........... is a large kernel, including scheduling file system, networking, device drivers, memory management and more. A) Monolithic kernel B) Micro kernel C) Macro kernel D) Mini kernel

Last Answer : A) Monolithic kernel

A method of implementing a memory management system is a. Buddy system b. Bridgeware c. Broadband coaxial system d. All of the above

Description : A method of implementing a memory management system is a. Buddy system b. Bridgeware c. Broadband coaxial system d. All of the above

Last Answer : a. Buddy system

A memory management system has 64 pages with 512 bytes page size. Physical memory consists of 32 page frames. Number of bits required in logical and physical address are respectively: (1) 14 and 15 (2) 14 and 29 (3) 15 and 14 (4) 16 and 32

Description : A memory management system has 64 pages with 512 bytes page size. Physical memory consists of 32 page frames. Number of bits required in logical and physical address are respectively: (1) 14 and 15 (2) 14 and 29 (3) 15 and 14 (4) 16 and 32

Last Answer : (3) 15 and 14

Expansion of RDBMS is (1) Repairable Database Management System (2) Relational Database Management System (3) Relational Database Memory System (4) Recurring Database Memory System

Description : Expansion of RDBMS is (1) Repairable Database Management System (2) Relational Database Management System (3) Relational Database Memory System (4) Recurring Database Memory System 

Last Answer : Relational Database Management System

Which of the following is most likely to be considered a risk factor relating to fraudulent financial reporting? a. Low turnover of senior management. b. Extreme degree of competition within the industry. c. Capital structure including various operating subsidiaries. d. Sales goals in excess of any of the preceding three years

Description : Which of the following is most likely to be considered a risk factor relating to fraudulent financial reporting? a. Low turnover of senior management. b. Extreme degree of competition within the ... various operating subsidiaries. d. Sales goals in excess of any of the preceding three years

Last Answer : Extreme degree of competition within the industry.

Which of the following is least likely considered a financial statement audit risk factor? a. Management operating and financing decisions are dominated by top management. b. A new client with no prior audit history. c. Rate of change in the entity's industry is rapid. Profitability of the entity relative to its industry is inconsistent.d

Description : Which of the following is least likely considered a financial statement audit risk factor? a. Management operating and financing decisions are dominated by top management. b. A new client with no ... entity's industry is rapid d. Profitability of the entity relative to its industry is inconsistent.

Last Answer : Management operating and financing decisions are dominated by top management.

Which of the following factors most likely would cause a CPA to decline a new audit engagement? a. The CPA does not understand the entity's operations and industry. b. The CPA is unable to review the predecessor auditor's working papers. c. Management is unwilling to permit inquiry of its legal counsel. d. Management acknowledges that the entity has had recurring operating losses

Description : Which of the following factors most likely would cause a CPA to decline a new audit engagement? a. The CPA does not understand the entity's operations and industry. b. The CPA is ... permit inquiry of its legal counsel. d. Management acknowledges that the entity has had recurring operating losses

Last Answer : Management is unwilling to permit inquiry of its legal counsel

The most likely explanation why the auditor’s examination cannot reasonably be expected to bring all illegal acts by the client to the auditor’s attention is that a. Illegal acts are perpetrated by management override of internal control. b. Illegal acts by clients often relate to operating aspects rather than accounting aspects. c. The client’s internal control may be so strong that the auditor performs only minimal substantive testing. d. Illegal acts may be perpetrated by the only person in the client’s organization

Description : The most likely explanation why the auditor's examination cannot reasonably be expected to bring all illegal acts by the client to the auditor's attention is that a. Illegal acts are perpetrated by ... testing. d. Illegal acts may be perpetrated by the only person in the client's organization

Last Answer : Illegal acts by clients often relate to operating aspects rather than accounting aspects

Which of the following is considered a primary reason for creating an internal audit department? a. To safeguard resources entrusted to the organization. b. To evaluate and improve the effectiveness of control processes. c. To ensure the accuracy, reliability, and timeliness of financial and operating data used in management's decision making. d. To relieve management of the responsibility for establishing effective controls

Description : Which of the following is considered a primary reason for creating an internal audit department? a. To safeguard resources entrusted to the organization. b. To evaluate and improve the ... 's decision making. d. To relieve management of the responsibility for establishing effective controls

Last Answer : To evaluate and improve the effectiveness of control processes.

Educational institutions,libraries, hospitals and industries store concerned information by- a)Operating systems b) Word Processing c) Data management d) informing systems

Description : Educational institutions,libraries, hospitals and industries store concerned information by- a)Operating systems b) Word Processing c) Data management d) informing systems

Last Answer : c) Data management

What are the main prescribes procedures for standard operating? a. Search and rescue b. Medical assistant c. Casualty management d. All of the above

Description : What are the main prescribes procedures for standard operating? a. Search and rescue b. Medical assistant c. Casualty management d. All of the above

Last Answer : d. All of the above

_______ is a complete operating environment with applications, management, and user interface. a) IaaS b) SaaS c) PaaS d) All of the mentioned

Description : _______ is a complete operating environment with applications, management, and user interface. a) IaaS b) SaaS c) PaaS d) All of the mentioned

Last Answer : SaaS

______________ is one of the primary requirement of datacenter with respect to datacenter virtualization. A. Unmodified operating systems. B. Resource optimization. C. Application Availability. D. Management.

Description : ______________ is one of the primary requirement of datacenter with respect to datacenter virtualization. A. Unmodified operating systems. B. Resource optimization. C. Application Availability. D. Management.

Last Answer : Unmodified operating systems.

Which of the following initiatives of dynamic cloud infrastructure reduce operating cost , improve responsiveness and utilize resources? A. Asset management. B. Virtualization and Consolidation. C. Service Management. D. Information Infrastructure.

Description : Which of the following initiatives of dynamic cloud infrastructure reduce operating cost , improve responsiveness and utilize resources? A. Asset management. B. Virtualization and Consolidation. C. Service Management. D. Information Infrastructure.

Last Answer : Virtualization and Consolidation.

Point out the correct statement. a) PaaS supplies the infrastructure b) IaaS adds application development frameworks, transactions, and control structures c) SaaS is an operating environment with applications, management, and the user interface d) All of the mentioned

Description : Point out the correct statement. a) PaaS supplies the infrastructure b) IaaS adds application development frameworks, transactions, and control structures c) SaaS is an operating environment with applications, management, and the user interface d) All of the mentioned

Last Answer : SaaS is an operating environment with applications, management, and the user interface

108. is primarily a management technique that uses energy information as a basis to eliminate waste, reduce and control current level of energy use and improve the existing operating procedures. a) Energy monitoring and targeting b) CUSUM c) Specific energy consumption d) Production

Description : 108.is primarily a management technique that uses energy information as a basis to eliminate waste, reduce and control current level of energy use and improve the existing operating procedures. a) Energy monitoring and targeting b) CUSUM c) Specific energy consumption d) Production

Last Answer : Energy monitoring and targeting

Maintain 850 OC for 1 hour (soaking time).  Cool the material to 60 OC in 4 hours. a) Calculate the efficiency of the furnace, if the specific heat of steel is 0.12 kcal/kgOC and fuel oil consumption per batch is 1400 litres.  GCV of fuel oil - 10200 kcal/kg,  Cost of fuel oil - Rs. 46,000/kL,  Sp. gr. of fuel oil - 0.92. b) Due to high cost of oil, the plant management decides to convert to a lower operating cost LPG fired furnace lined on the inside with ceramic fibre insulation and with an operating efficiency of 80%, for same requirement. The investment towards installation of the new furnace is Rs. 50 lakhs. Calculate the Return on Investment, if the plant operates two batches per day and 250 days in a year.  Cost of LPG - Rs. 75/kg,  GCV of LPG - 12500 kcal/kg.

Description : In a heat treatment shop, steel components are heat-treated in batches of 80 Tons. The  heat treatment cycle is as follows;  Increase temperature from 30 OC to 850 OC in 3 hours.  ... efficiency of 80%, for same requirement. The investment towards installation of  the new furnace is Rs. 50

Last Answer : Quantity of steel treated per batch - 80 Tons a. Efficiency of Furnace: Useful heat supplied to steel - 80000 x 0.12 x (850 - 30)   = 7872000 kcal/batch .1 mark Total heat ... = Rs. 64400/batch Efficiency of new LPG furnace - 80% Heat supplied in new LPG furnace - 7872000/0.8

Which of the following describes the main purpose of corporate governance? a) Establish short-term strategic objectives for a company. b) Ensure collective strategic decisions for a company. c) Facilitate effective, entrepreneurial and prudent management of a company. d) Establish and monitor the operating parameters for a company

Description : Which of the following describes the main purpose of corporate governance? a) Establish short-term strategic objectives for a company. b) Ensure collective strategic decisions for a company. c) ... and prudent management of a company. d) Establish and monitor the operating parameters for a company

Last Answer : c) Facilitate effective, entrepreneurial and prudent management of a company.

A common practice in evaluating a salesperson is for sales management to compare the salesperson's performance with the performance of other salespersons operating under similar selling conditions or to compare A)the size of sales territories. B)selling expenses with sales by various members of the sales force. C)the amount of new business generated. D)current performance with past performance.

Description : A common practice in evaluating a salesperson is for sales management to compare the salesperson's performance with the performance of other salespersons operating under similar selling conditions or to ... force. C)the amount of new business generated. D)current performance with past performance.

Last Answer : D)current performance with past performance.