Lab 3 report: Design of a 4-bit Universal Shift North South University CSE 332

Department of Electrical &
Computer Engineering
Experiment No: 03
Experiment Name: Design of a 4-bit Universal Shift
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Course Title: Computer Organization and Architecture
Course Code: CSE 332 Date of Experiment: 02/07/19
Faculty: EZM Date of Submission: 16/07/19
Lab Instructor: Tanvir Tazul Islam
Section: 12
Group: 07
Group Members: 04
Name Id
Nusrat Zahan Nipu 1520231642
Md. Shihab Mojumder Shuvo 1530640042
Ahnaf Tahmid 1620111042
Sayadul Hoque 1421353042


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, Objective:
 Knowing about 4-bit universal shift register.
 Constructing a 4-bit universal shift register.
 Knowing about how to transfer data in both left and right direction in a 4-bit
universal shift register.
 Knowing about D flip-flop.
 Knowing about 4:1 MUX.

List of Equipment:
 Trainer board.
 Four D flip-flops (Two 7474 ICs).
 Four 4:1 Mux (Two 74153 ICs).
 Wires for connection.
 Power Supply.

Theory:
Universal shift register-
When a register is able to transfer data both in the shift-right and shift-left, along
with the necessary input and output terminals for parallel transfer, then it is called
a shift register with parallel load or ‘universal shift register’.
Features of a universal shift register:
1. Clock input to all registers.
2. Clear control to clear the register to 0.
3. Shift right control.
4. Shift left control.
5. Parallel load control for parallel transfer.
6. N parallel output lines (4 output lines for 4 bits)
7. No change control even in presence of a clock.



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