PROBA SCRISA PENTRU EXAMENUL DE ABSOLVIRE A SCOLII POSTLICEALE

Specializarea: Tehnician echipamente de calcul

BAREM DE CORECTARE SI DE NOTARE

VARIANTA 3

SUBIECTUL I (30 puncte)

10 puncte

Raspuns corect a                                                                   2p.

Raspuns corect d                                                                   2p.

Raspuns corect b                                                                   2p.

Raspuns corect d                                                                   2p.

Raspuns corect d                       2p.

8 puncte

Asociatiile corecte sunt:

1. - b                                                                                                       2p.

2. - c                                                                                                        2p.

3. - e                                                                                                        2p.

4. - a                                                                                                        2p.

12 puncte

a. - A 2p.

b.     F                        2p.

c.      F                                                                                                                             2p.

d.     F                    2p.

e.      A                                                                                                                            2p.

f.       F                                                                                                      2p.

2x6p.=12p.

SUBIECTUL II                                                                                                          (30 puncte)

16 puncte

(1) - biti                                                                                                                2p.

(2) - coaxial                                                                                                         2p.

(3) - optice        2p.

(4) - radio (electromagnetice)                                                          2p.

Analiza: Documente specifice operatiilor cu numerar Eseu: Forma de contabilitate utilizata la o societate comerciala

(5) - sticla                                                                                                            2p.

(6) - mic                           2p.

(7) - manson de protectie                                                                                2p.

(8) - laser cu semiconductor                                                             2p.

14 puncte

mentionarea celor trei tipuri de echipamente periferice de iesire monitor, imprimanta, proiector de ex.)                                                                                                               1p.

pentru fiecare tip deechipament periferic mentionat:

Caracteristici principale: rezoluite, viteza de lucru, mod de conectare, tip de alimentare, etc.)                                                                                                                                2p.

Utilitatea fiecarui tip de echipament periferic mentionat in lucrul cu calculatorul: la ce serveste in mod uzual, avantaje si dezavantaje 2p.

3x4p. = 12p.

corectitudinea globala a tratarii       1p.

SUBIECTUL III                                                                                                        (30 puncte)

12 puncte

a. Implementarea functiei  f  = (A ^. B) ^. (A ^. C)

4p.

Pentru raspuns partial corect se acorda 2p.

b. Tabelul de adevar al functiei:                                 

4p.

Pentru raspuns partial corect se acorda 2p.

c. f= P₅+P₆+P₇                                                                                                                                                 2p.

d. f= S₀* S₁* S₂* S₃* S₄                                                                                                                                             2p.

2. 18 puncte

structura generala a unui sistem de calcul (Jon von Neumann) cu identificarea componentelor (UC, UM, UIO) si a legaturilor (dependentelor) dintre acestea                       5p.

integrarea circuitului ales in UM si enuntarea rolului acestuia in structura generala a sistemului de calcul                                                                                                                               4p.

descrierea generala si prezentarea caracteristicile dispozitivului (impreuna cu explicarea lor)     5p.

reguli de utilizare (siguranta etc.)                                                                              3p.

corectitudinea globala a tratarii                                                                    1p.