Virtual Memory Management Approaches In Time Sharing

Virtual Memory Management Approachestime Sharing This Approach Allows

Virtual memory management approaches Time-sharing –this approach allows many users to share the resources of the virtual memory simultaneously with small amount of time known as slice or quantum allocated to them. Paging -Here the virtual memory spaces of given processes are divided into fixed-sized pages, the virtual memory addresses are made up of page offsets and page numbers. continued Segmentation - A virtual technique memory used in virtual memory to create variable-sized memory address spaces in a computer storage for related data, segmentation speeds us retrieval. Static-relocation - This is the process of assigning load address for position-dependent code and data of a program and adjusting the code and data to reflect the assigned address.

Base and bound - Refers to a simple form of virtual memory where access to a computer is controlled by one or a small number of set of processor register referred to as base and bound registers. Each access is assigned to a single contiguous segment of main memory Least Recently used pseudo-code Pseudo-code for Least Recently Used LRU (Page pg) If pg is present in buffer then LAST (pg)=Current time; Else i)Min=current time+1; ii) for all pages in Queue(Qu) in the buffer do If(LAST(Qu)

According to Moustafa Bayoumi, in 2006, Keith Ellison became the first ____________ American to be elected to Congress. a. Israeli c. Chinese b. Japanize d. Muslim _____ 2.

According to Moustafa Bayoumi, when Arab Americans began arriving in the late nineteenth century, they established themselves on Washington Street in lower Manhattan (dubbed “Little ________â€), where they opened stores, published lots of newspapers, lived closely, fought among themselves, and worried about being too difference from other Americans or about become too American. a. “Queens†c. “Brooklyn†b. “Syria†d. “Bronx†_____ 3.

Bao Phi, an American-Vietnamese artist, writes that his five-year-old daughter saw a commercial on television in which white men were playing at battle. She asked Bao Phi about: a. battle. c. war. b. fighting. d. combat. _____ 4. According to the poem, “Second Attempt Crossing,†Javier Zamora, who migrated alone to the United States at age nine, what was the meaning of the tattoo, “MS-13,†on the chest of the person who saved him? a. “MS-13†is a transitional gang that originated in Los Angeles in the early 1980s. b. “MS-13†is the Marine unit in which Chino served in Viet Nam. c.

“MS-13†is the prison number tattooed on Chino’s chest from his time in the California Correctional Center (CCC). d. “MS-13†is the type of weapon Chino used in combat. _____ 5. Navarro writes that the Latino population, which in 2010 stood [in the United States] at more than: a. 100 million. c. 50 million. b. 80 million. d. 60 million. _____ 6. What percentage of the American population do Latinos make up according to Navarro? a. close to 20 percent c. over 33 percent b. just over 31 percent d. over 41 percent _____ 7. According to Christina M. Greer, Colin Powell was once thought to be a candidate for President, despite saying, “I ain’t that black.†Greer claims that Powell possessed something special, in that he was of __________ heritage.†a. Dominican c. Jamaican b. Bahamian d. Afro-Caribbean _____ 8. According to Christina M.

Greer, “Afro-Caribbean and African immigrants living in America have experienced forms of oppression, racism, and subjugation as blacks: a. “even by each other.†c. “even by other minorities.†b. “even by whites.†d. “even by blacks.†_____ 9.

Christina M. Greer quotes the 2010 U.S. Census to claim that “the face of black America now includes over 1.5 million immigrants from African nations and over 3.5 million black immigrants from the Caribbean, representing close to ______ percent of the total black population. a. Ten c. Eight b. Nine d. Twelve _____10. Noy Thrupkaew tells the story of Mali Keo, who fled Cambodia with her husband and four children in 1992. What scaring memories haunted Keo? a. “the concentration camps,†the forced incarceration habitants b.

“the killing fields,†the forced-labor camps c. “the death trails,†the forced marching of refugees from place to place d. “the dying rooms,†the forced starvation on innocent children _____11. According to Thrupkaew, about half the population of Asian (or, more precisely, Asian-Pacific Islander) Americans is made up of the _________ ________ immigrants who began arriving with their families in the 1960s. a. less skilled c. hyper intelligent b. highly educated d. under educated _____12. Thrupkaew refers to the U.S. surgeon general’s 2001 report on race and mental health.

One random sample of Cambodian adults found that 45 percent had post-traumatic stress disorder, and 51 percent suffered from: a. depression. c. obsessive compulsive disorders. b. malnourishment. d. hypertension. _____13. In the article, “The Problem: Discrimination,†what entity or individual approvingly concluded that both the North and the South regarded slaves “as beings of inferior order, and altogether unfit to associate with the white races, either in social or political relations, and so far inferior, that they had no rights which the white man was bound to respectâ€? a. The organizers of the first slave auction at New Amsterdam in 1655 b. Representatives of the Stono Rebellion slave-catchers in 1739 c.

Reverend Peter Fontaine’s Defense of Slavery in Virginia in 1757 d. The Supreme Court in 1857 _____14. According to the U.S. Commission of Civil Rights, the discrimination that is practiced by individuals is often reinforced by: a. the prejudiced attitudes and behaviors of governmental leadership. b. the acceptance that one race is superior in intellect than other races. c. the precedent set by generals of ideas of what is “normal.†d. the well-established rules, policies, and practices of organizations. _____15. According to Van R.

Newkirk, II, on election day, November 6, 2018, Georgia gubernatorial candidate Stacy Abrams came within 55,000 votes of being elected the nations: a. first female governor. c. first lesbian governor. b. first black woman governor. d. first Latino governor. _____16. According to Van R. Newkirk, II, under an “exact match†law passed by the state legislature that requires handwritten voter registrations to be identical to personal documents, 53,000 people had their registration moved to “pending†status because of typos or other errors before a district court enjoined the policy. More than _____ percent of those registrations belonged to black voters. a. sixty c. thirty b. seventy d. eighty _____17.

Van R. Newkirk, II, quotes Harvard University professor Desmond Ang who cites a Jim Crow-era official in ___________ who said, “What those smart fellows [at the Justice Department] don’t realize is that we can still get to these darkies in a whole lot of subtle ways.†a. Georgia c. Alabama b. Louisiana d.

Mississippi _____18. According to Michelle Alexander, the U.S. Census Bureau reported in 2002 that there are nearly ________ million more black adult women than men in black communities across the United States, a gender gap of 26 percent. a. one c. four b. three d. two _____19. Michelle Alexander, in a 2010 article, “The New Jim Crow: Mass Incarceration in the Age of Colorblindness,†writes that there are more African American adults under ________ ______ today than were enslaved in 1850, a decade before the Civil War. a. correctional control c. house arrest b. prison parole d. police jurisdiction _____20. According to Michelle Alexander, the total population of black males in Chicago with a felony record (including both current and ex-felons) is equivalent to 55 percent of the black adult male population and an astonishing ______ percent of the adult black male workforce in the Chicago area. a. seventy c. eighty b. thirty d. forty