Introduction of Memory Devices – 4 MCQ’s

Digital Circuits Electronics & Communication Engineering

This set of Digital Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Introduction of Memory Devices – 4″.

1. Static memory holds data as long as __________
a) AC power is applied
b) DC power is applied
c) Capacitor is fully charged
d) High Conductivity

2. Volatile memory refers to __________
a) The memory whose loosed data is achieved again when power to the memory circuit is removed
b) The memory which looses data when power to the memory circuit is removed
c) The memory which looses data when power to the memory circuit is applied
d) The memory whose loosed data is achieved again when power to the memory circuit is applied

3. Magnetic core is the digital memory in which data is stored magnetically in individual cores operated by __________
a) Up and down select wires
b) Row and column select wires
c) Serial and parallel select wires
d) Up and Serial select wires

4. Based on material used for construction, memory devices are classifieds into ________ categories.
a) 2
b) 3
c) 4
d) 5

5. Dynamic memory cells use _______________ as the storage device.
a) The reactance of a transistor
b) The impedance of a transistor
c) The capacitance of a transistor
d) The inductance of a transistor

6. Non-volatile memory refers to __________
a) The memory whose loosed data is retained again when power to the memory circuit is removed/applied
b) The memory which looses data when power to the memory circuit is removed
c) The memory which looses data when power to the memory circuit is applied
d) The memory whose loosed data is achieved again when power to the memory circuit is applied

7. Magnetic drum is a storage medium using __________
a) The surface of a jumping magnetic drum
b) The surface of a rotating magnetic drum
c) The surface of a stopped magnetic drum
d) The surface of a moving magnetic drum

8. The example of non-volatile memory device is __________
a) Magnetic Core Memory
b) Read Only Memory
c) Random Access Memory
d) Both Magnetic Core Memory and Read Only Memory

9. In dynamic memory, CCD stands for __________
a) Charged Count Devices
b) Change Coupled Devices
c) Charge Coupled Devices
d) Charged Compact Disk

10. Magnetic recording is the process of __________
a) Storing data symmetrically
b) Storing data sequentially
c) Storing data magnetically
d) Both storing data symmetrically and

11. To store 1-bit of information, how many transistor is/are used ____________
a) 1
b) 2
c) 3
d) 4

12. By which technology, semiconductor memories are constructed?
a) PLD
b) LSI
c) VLSI
d) Both LSI and VLSI

13. The example of dynamic memory is __________
a) CCD
b) Semiconductor dynamic RAM
c) Both CCD and semiconductor dynamic RAM
d) Floppy-Disk

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