CS302 Final Term Live Quiz 2025 by Miss Mehwish

CS302 · Final Term (Live Quiz) · Past Papers for Mids./Finals are also Available

Q1. In designing any counter the transition from a current state to the next state is determined by:

current state and outputs

Current state and inputs ✔️

Only current state

Q2. An Astable multivibrator is known as a(n):

Dual-shot Booster One-shot

Oscillator ✔️

Q3. A mono-stable device only has a single stable state:

True ✔️ False

Q4. A one-shot mono-stable device contains:

NAND gate, Resistor, Capacitor and NOT Gate ✔️

NOR gate, Resistor, Capacitor and NOT Gate AND gate, Resistor, Capacitor and NOT Gate XNOR gate, Resistor, Capacitor and NOT Gate

Q5. A 4-bit binary UP/DOWN counter is in the binary state zero. The next state in the DOWN mode is:

1000 1111 ✔️ 0001 1110

Q6. The D flip-flop is only activated by:

both positive & negative edge trigger

a positive edge trigger ✔️

a negative edge trigger

Q7. RCO stands for:

Reconfiguration Counter Output Reconfiguration Clock Output

Ripple Counter Output ✔️

Ripple Clock Output

Q8. In the keyboard encoder, how many times per second does the ring counter scan the keyboard?

625 scans/second ✔️

600 scans/second 650 scans/second 700 scans/second

Q9. According to Moore circuit, the output of synchronous sequential circuit depends on

Present State ✔️

Q10. The Synchronous counters are also known as Ripple Counters:

False ✔️ True

cs302

Q1. The term hold always means _______.

No change ✅ Q=0, Q̅=0 Q=0, Q̅=1 Q=1, Q̅=0