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SRML Half-Yearly Examination - 2080
Class: 9
Subject: Science and Technology
Full Marks: 50
Time: 2 Hours
Answer all questions.
Group - A (8x1 = 8)
Multiple Choice Questions
a. What is the multiplier of the prefix 'micro'?
(a) 10⁻⁶ (b) 10⁻⁹ (c) 10⁶ (d) 10⁻³
b. What is the stalk of a mushroom called?
(a) Pileus (b) Gills (c) Stipe (d) Hyphae
c. Who was the proponent of the theory of natural selection?
(a) Hugo de Vries (b) Charles Darwin (c) Lamarck (d) Gregor Johann Mendel
d. If a load of 400 N is...
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m5)Explain the role of high-security requirements in IoT automation systems. Why is security
more critical today???
1. IoT automation systems control physical processes, so security failures can cause real-world damage.
2. High security ensures that only trusted devices, users, and services can access the system.
3. Authentication is used to verify the identity of IoT devices and users.
4. Authorization controls what actions an authenticated system is allowed to perform.
5. Secure communication protects
operatiing system
#include <stdio.h>
#include <sys/types.h> 1(a)
#include <unistd.h>
int main() {
pid_t pid, mypid, myppid;
pid = getpid();
printf("Before fork: Process id is %d\n", pid);
pid = fork();
if (pid < 0) {
perror("fork() failure\n");
return 1; }
process if (pid == 0) {
printf("This is child process\n");
mypid = getpid();
myppid = getppid();
printf("Process id is %d and PPID is %d\n", mypid, myppid); }
else { sleep(2);
printf("This is parent process\n");
mypid
M.e.
प्रश्न 8 : संक्षिप्त टिप्पणी लिखिए (कोई चार)
(a) आघूर्ण एवं बल-युग्म
आघूर्ण = बल × लंब दूरी
बल-युग्म दो समानांतर, समान परिमाण के विपरीत दिशा वाले बल होते हैं
बल-युग्म केवल घूर्णन उत्पन्न करता है
(b) साम्यावस्था
DSA prog 6,7,8,9
};
typedef struct node* NODE;
NODE start = NULL;
int count = 0;
NODE create() {
NODE n = (NODE)malloc(sizeof(struct node));
if (!n) {printf("Memory allocation failed\n");
exit(0);
}
}
printf("Enter USN Name Branch Sem Phone:\n");
scanf("%s %s %s %d %ld",
n->usn, n->name, n->branch, &n->sem, &n->phone);
n->link = NULL;
count++;
return n;
NODE insert_front() {
NODE n = create();
n->link = start;
return n;
}
NODE insert_end() {
NODE n = create(), cur;
if (!start) return n;
cur = start;
while (cur-...
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Continuity of Current: The principle of conservation of charge states that charges can neither be created nor destroyed although equal amounts of positive and negative charge may be simultaneously created, obtained by separation, destroyed or lost by recombination.
Equation 5 indicates that , the current or charge per second, diverging from small volume per
unit volume is equal to the time rate of decrease of charge per unit volume at every point.The velocity is given by,
FARADAY'S LAW -In
XHEAT
४. दिइएको कवितांश पढी सोधिएका प्रश्नको उत्तर लेख्नुहोस् :
हिमाललाई न्यानो दिन्छ तराईको काखा
मधेशको पङ्खा बनी बस्छन् भिरपाखा
स्वाभिमानको मियोमाथि पिरतीको दियो
बाली मुस्कुराएका छन् कोटी कोटी...
HTML CSS
<!DOCTYPE html>
<html>
<head>
<style>
*{margin:0;padding:0;box-sizing:border-box;font-family:Arial,sans-serif}
body{background:#f4f4f4;color:#333}
header{background:white;padding:10px 50px;border-bottom:1px solid #ddd}
.top-nav{display:flex;justify-content:space-between;align-items:center;padding-bottom:10px}
.logo{font-weight:bold;font-size:22px}
.uiu{color:#000}.info-desk{color:#ff4419}
.auth-nav a{text-decoration:none;color:#666;margin-right:20px;font-weight:bold}
.signup-btn{background:...