Digital Circuits Mock Test 8

10%

Question 1 of 10

1. A large memory is compressed into a small one by using __________

LSI semiconductor

CDR semiconductor

SSI semiconductor

VLSI semiconductor

Question 1 of 10

Question 2 of 10

2. FPGA stands for __________

First Programmable Gate Array

Full Programmable Gate Array

Full Programmable Genuine Array

Field Programmable Gate Array

Question 2 of 10

Question 3 of 10

3. When two or more devices try to write data in a bus simultaneously, is known as ______________

Bus collisions

Address multiplexing

Bus contention

Address decoding

Question 3 of 10

Question 4 of 10

4. An 8-bit serial in/serial out shift register is used with a clock frequency of 2 MHz to achieve a time delay (td) of ________

8 us

4 us

16 us

2 us

Question 4 of 10

Question 5 of 10

5. Which memories are if magnetic memory type?

Secondary Memory

Volatile Memory

Main Memory

Static Memory

Question 5 of 10

Question 6 of 10

6. The example of non-volatile memory device is __________

Both Magnetic Core Memory and Read Only Memory

Read Only Memory

Random Access Memory

Magnetic Core Memory

Question 6 of 10

Question 7 of 10

7. The primary purpose of a three-state buffer is usually ____________

To provide the sink or source current required by any device connected to its output without loading down the output device

To provide isolation between the input device and the data bus

Temporary data storage

To control data flow

Question 7 of 10

Question 8 of 10

8. Magnetic recording is the process of __________

Storing data magnetically

Both storing data symmetrically and

Storing data symmetrically

Storing data sequentially

Question 8 of 10

Question 9 of 10

9. The group of bits 11001 is serially shifted (right-most bit first) into a 5-bit parallel output shift register with an initial state 01110. After three clock pulses, the register contains ________

00001

01110

00110

00101

Question 9 of 10

Question 10 of 10

10. Non-volatile memory refers to __________

The memory which looses data when power to the memory circuit is removed

The memory whose loosed data is retained again when power to the memory circuit is removed/applied

The memory whose loosed data is achieved again when power to the memory circuit is applied

The memory which looses data when power to the memory circuit is applied

Question 10 of 10