sessione ordinaria 2002
annuncio pubblicitario
SESSIONE ORDINARIA 2003 TERZA PROVA SCRITTA COMMISSIONE CRTF45002 INFORMATICA. – ORDINAMENTO Provincia di Cremona ESAMI DI STATO CONCLUSIVI DEI CORSI DI STUDIO D’ISTRUZIONE SECONDARIA SUPERIORE A.S. 2002/2003 ISTITUTO TECNICO INDUSTRIALE “G. GALILEI” – CREMA TERZA PROVA CANDIDATO: ______________________________________________ TIPOLOGIA : B DISCIPLINE COINVOLTE - MATEMATICA - ELETTRONICA - CALCOLO DELLE PROBABILITÀ E STATISTICA - SISTEMI DI ELABORAZIONE E TRASMISS. DELLE INFORMAZIONI DURATA MASSIMA 2 ORE CREMA, 23 GIUGNO 2003 Spazio riservato alla Commissione Punteggio assegnato: ___/15 Pag. 1 di 5 CLASSE: 5B Informatica CANDIDATO: _______________________ MATERIA: ELETTRONICA 1. Spettro del segnale modulato AM in caso di (a) modulante sinusoidale, (b) modulante non sinusoidale ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ 2. Qual è la differenza tra distorsione, rumore, interferenza? ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ 3. Schema a blocchi del sistema di acquisizione di una temperatura ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ Pag. 2 di 5 CLASSE: 5B Informatica CANDIDATO: _______________________ MATERIA: CALCOLO DELLE PROBABILITÀ E STATISTICA 1. Si analizzino le caratteristiche della variabile casuale media campionaria ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ 2. Si descriva che cosa si intende per ipotesi statistica ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ 3. Si esamini un problema di decisione a propria scelta ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ Pag. 3 di 5 CLASSE: 5B Informatica CANDIDATO: _______________________ MATERIA: MATEMATICA Il candidato risponda ai seguenti quesiti utilizzando per ciascuna risposta non più di 8 righe Quesito n. 1 Dopo avere dimostrato la formula di integrazione per parti risolvere il seguente integrale indefinito: x ln xdx ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ Quesito n. 2 Data la seguente funzione in due variabili: 2 2 dopo averne determinato il dominio, disegnare alcune curve di livello evidenziando per ogni curva il valore della quota: f ( x, y ) x y 2x ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ Quesito n. 3 Esporre l’enunciato del teorema di Leibniz per le serie a termini di segno alterno e proporre due esempi di serie a termini di segno alterno convergenti. ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ Pag. 4 di 5 CLASSE: 5B Informatica CANDIDATO: _______________________ MATERIA: SISTEMI a. Why, in a digital system, receveicer and trasmitter must be synchronized? 1 ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ b. In riferimento alla acquisizione di dati da un sistema esterno,quando è necessario utilizzare gli interrupt al posto del polling. ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ c. Quali sono le modalità di controllo che possibile applicare ad un sistema. ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ 1 Il candidato può risponde sia in lingua italiana che inglese Pag. 5 di 5
