Which of the following statements are true about the working-set window in the working-set model. 1. The number of page faults will increase when the working-set window is small. 2. The number of page faults will increase when the working-set window is very large. 3. The number of page faults will decrease when the working-set window is small. 4. The number of page faults will decrease when the working-set window is very large. (a) Statements 1 and 2 (b) Statement 1 and 4 (c) Statements 2 and 3 (d) Statements 3 and 4

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Which of the following statements are true about the working-set window in the working-set
model.
1. The number of page faults will increase when the working-set window is small.
2. The number of page faults will increase when the working-set window is very large.
3. The number of page faults will decrease when the working-set window is small.
4. The number of page faults will decrease when the working-set window is very large.
(a) Statements 1 and 2
(b) Statement 1 and 4
(c) Statements 2 and 3
(d) Statements 3 and 4
Transcribed Image Text:Which of the following statements are true about the working-set window in the working-set model. 1. The number of page faults will increase when the working-set window is small. 2. The number of page faults will increase when the working-set window is very large. 3. The number of page faults will decrease when the working-set window is small. 4. The number of page faults will decrease when the working-set window is very large. (a) Statements 1 and 2 (b) Statement 1 and 4 (c) Statements 2 and 3 (d) Statements 3 and 4
Consider the following MIPS code:
li
$t0,0
L1: sll
$s1,$t0,2
add
1w
$s2, $s1, $t2
$t3,0 ($s2)
$t3, $t3, $t3
add
$t3,0 ($s2)
END:
SW
addi
bge
j L1
$t0,$t0,1
$t0, $t1, END
Find the equivalent C code.
a. for (int i=0;i<n; i++) {B[i]=2*B[i]; }
b. int i=0; while (i<n) {B[i]=2*B[i];i++; }
c. int i=0; do {B[i]=2*B[i];i++; }while (i<n);
d. if(i<n) {B[i]=2*B [i];i++; }
Transcribed Image Text:Consider the following MIPS code: li $t0,0 L1: sll $s1,$t0,2 add 1w $s2, $s1, $t2 $t3,0 ($s2) $t3, $t3, $t3 add $t3,0 ($s2) END: SW addi bge j L1 $t0,$t0,1 $t0, $t1, END Find the equivalent C code. a. for (int i=0;i<n; i++) {B[i]=2*B[i]; } b. int i=0; while (i<n) {B[i]=2*B[i];i++; } c. int i=0; do {B[i]=2*B[i];i++; }while (i<n); d. if(i<n) {B[i]=2*B [i];i++; }
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