Sail E0 Webinar

Computer Aptitude

OPERATING SYSTEM MCQs

Total Questions : 622 | Page 7 of 63 pages
Question 61. What is the name given to the values that are automatically provided by software to reduce keystrokes and improve a computer user's productivity?
  1.    Defined values
  2.    Fixed values
  3.    Default values
  4.    Special values
  5.    None of the above
 Discuss Question
Answer: Option C. -> Default values
Question 62. In MS-DOS 5.0, which is the number that acts as a code to uniquely identify the software product?
  1.    MS
  2.    DOS
  3.    MS DOS
  4.    5
  5.    None of the above
 Discuss Question
Answer: Option D. -> 5
Question 63. Bug means
  1.    A logical error in a program
  2.    A difficult syntax error in a program
  3.    Documenting programs using an efficient documentation tool
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option A. -> A logical error in a program
Question 64. Page stealing
  1.    is a sign of an efficient system
  2.    is taking page frames from other working sets
  3.    should be the tuning goal
  4.    is taking larger disk spaces for pages paged out
  5.    None of the above
 Discuss Question
Answer: Option B. -> is taking page frames from other working sets
Question 65. Memory management is :
  1.    not used in modern operating system
  2.    replaced with virtual memory on current systems
  3.    not used on multiprogramming systems
  4.    critical for even the simplest operating systems
  5.    None of the above
 Discuss Question
Answer: Option D. -> critical for even the simplest operating systems
Question 66. The Register - to - Register (RR) instructions
  1.    have both their operands in the main store.
  2.    which perform an operation on a register operand and an operand which is located in the main store, generally leaving the result in the register, except in the case of store operation when it is also
  3.    which perform indicated operations on two fast registers of the machine and leave the result in one of the registers.
  4.    all of the above
  5.    None of the above
 Discuss Question
Answer: Option C. -> which perform indicated operations on two fast registers of the machine and leave the result in one of the registers.
Question 67. The initial value of the semaphore that allows only one of the many processes to enter their critical sections, is
  1.    8
  2.    1
  3.    16
  4.    0
  5.    None of the above
 Discuss Question
Answer: Option B. -> 1
Question 68. A page fault
  1.    is an error is a specific page
  2.    occurs when a program accesses a page of memory
  3.    is an access to a page not currently in memory
  4.    is a reference to a page belonging to another program
  5.    None of the above
 Discuss Question
Answer: Option C. -> is an access to a page not currently in memory
Question 69. An algorithm is best described as
  1.    A computer language
  2.    A step by step procedure for solving a problem
  3.    A branch of mathematics
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option B. -> A step by step procedure for solving a problem
Question 70. The ....... contains commands associated with the My Computer window
  1.    Standard menu
  2.    Start menu
  3.    System menu
  4.    None of the above
 Discuss Question
Answer: Option C. -> System menu

Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test Part 1 Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE
Cube & Cuboid Part 1 Reasoning (Hindi)
Data Interpretation (DI) Basic Concept Reasoning (Hindi)
Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)
Sail E0 free webinar Webinars
Real Numbers Part 7 Class 10 Maths
Real Numbers Part 1 Class 10 Maths
Polynomials Part 1 Class 10 Maths

Latest Test Papers

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI
Tabulation - Test Paper 2 Data Interpretation Reasoning & DI
Test Paper 1 Direction Sense Test Reasoning & DI
ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0
GFM Combined 1 Free Revision Test SAIL JO E-0