2.kolokvijum8
UNIX Device Driver Knowledge Quiz
Test your knowledge of UNIX device drivers with our engaging quiz! This quiz consists of 10 multiple-choice questions that cover essential concepts and procedures related to character and block device drivers. Perfect for students, teachers, or anyone interested in enhancing their understanding of UNIX systems.
- Multiple choice questions
- Focus on device driver procedures
- Explore real UNIX scenarios
Strategy procedura se javlja kod:
Karakter switch tabele
Blok switch tabele
Kod obe
Kod nijedne
Ioctl procedura se javlja kod:
Karakter switch tabele
Blok switch tabele
Kod obe
Kod nijedne
Kod blok switch tabele, read I write funkcije se realizuju:
Preko strategy procedure
Preko drajverskih read,write funkcije
Na oba nacina
Ne postoje
Procedure mount, umount su karakteristicne kod:
Karakter switch tabele
Blok switch tabele
Kod obe
Kod nijedne
Imate drajversku datoteku: crw-rw-rw- 1 3, 15............tty13; Glavni(major) broj je:
1
3
15
Nije definisan
Imate drajversku datoteku: crw-rw-rw- 1 3, 15............tty13; Kada proces otvara ovaj uredjaj, UNIX poziva open proceduru iz:
Trece vrste karakter switch tabele
Trece vrste blok switch tabele
15te vrste karakter switch tabele
15te vrste blok switch tabele
Imate drajversku datoteku: brw-rw-rw- 1 2, 11............dsk1; Sporedni(minor) broj je:
1
2
11
Nije definisan
Imate drajversku datoteku: brw-rw-rw- 1 2, 11............dsk1; Kada proces otvara ovaj uredjaj, UNIX poziva open proceduru iz:
Druge vrste karakter switch tabele
Druge vrste blok switch tabele
11te vrste karakter switch tabele
11te vrste blok switch tabele
Imate UNIX sa velicinom sistemskog bloka od 1K, a to je velicina kes bloka. Analizirajmo sledeci program. Prethodno pogledajmo blok I karakter datoteku za /dev/dsk15 dobijenu sa komandom: &ls -l /dev/dsk15 /dev/rdsk15; br-------- 2 root root 0,21 ------ Feb 12 15:40 /dev/dsk15; crw-rw---- 2 root root 7,21 ----- Mar 7 09:29 /dev/rdsk15; char buf1[4096], buf2[4096]; int fd1, fd2; fd1=open("/dev/dsk15", O_RDONLY); read(fd1, buf1, sizeof(buf1)); U koliko se iteracija obavi ovo citanje:
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1
2
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Imate UNIX sa velicinom sistemskog bloka od 1K, a to je velicina kes bloka. Analizirajmo sledeci program. Prethodno pogledajmo blok I karakter datoteku za /dev/dsk15 dobijenu sa komandom: &ls -l /dev/dsk15 /dev/rdsk15; br-------- 2 root root 0,21 ------ Feb 12 15:40 /dev/dsk15; crw-rw---- 2 root root 7,21 ----- Mar 7 09:29 /dev/rdsk15; char buf1[4096], buf2[4096]; int fd1, fd2; fd1=open("/dev/rdsk15", O_RDONLY); read(fd1, buf1, sizeof(buf1)); Da li ovo citanje ide kroz baferski kes:
Da
Ne
Uslovno
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