1. Combination of flip flops which can store and shift data is called
(A) Counter
(B) De-multiplexer
(C) Multiplexer
(D) Register
2. A 4-bit register consists of
(A) 2-Flip Flops
(B) 16-Flip Flops
(C) 12-Flip Flops
(D) 4-Flip Flops
3. A shift register has characteristic
(A) Memory only
(B) Shift only
(C) None of these
(D) Both a & b
4. A 3-bit counter has a maximum modulus of
(A) 3
(B) 8
(C) 6
(D) 9
5. Shift register is a type of memory
(A) Volatile
(B) Magnetic
(C) Non-Volatile
(D) Optical
6. Shift register is constructed by combining
(A) Diodes
(B) Transistors
(C) Flip flops
(D) SCR’s
7. To enter data into the register is called
(A) Loading data
(B) All of these
(C) Writing data
(D) Storing data
8. Asynchronous counter is also called
(A) Ring
(B) Ripple
(C) Decade
(D) Synchronous
9. Combination of flip flops which can count input pulses is called
(A) Register
(B) Counter
(C) Multiplexer
(D) De-multiplexer
10. For shifting one byte into a register, number of clock pulses required
(A) 1
(B) 3
(C) 8
(D) 4
11. A counter consists of n flip flops, have maximum output states
(A) n
(B) n²
(C) 2n²
(D) 2ⁿ
12. A counter in which all flip flops triggers simultaneously is called
(A) Ripple
(B) Synchronous
(C) Asynchronous
(D) Serial