MCQ
Unit 4
1. Quantum computation is been realized at first in ____ gate
and
NOT
CAND
CNOT
2. In CNOT gate, ions trapped with ______
radio frequency
micro wave
visible light
UV light
3. Difficulty of _______ is being traded off qubit spacing
manupulating
manufacturing
capturing
handling
4. The phosphorous qubits classically spaced apart and are controlled by local ______
magnetic field
electrostatic field
electrical field
friction
5. Which occupies lesser area?
internal feedback LFSR
external feedback LFSR
null condition CA
cyclic boundary CA
6. ________have been proposed to control the potential barrier between the quantum dots.
QCA clocks
QCA wires
QCA Cycles
QCA wires
7. Unique feature of NMR in organic liquids is
Utilization of ensembles of molecules
Utilization of single molecules
Avoiding of single molecules
Avoiding of ensemble of molecules
8. Nuclei of various ____constituting the qubits in _____ quantum computers
Atoms, DNA molecule
Gases, Neuranol
Gases, organic molecule
atoms, inorganic
9. Ensemble of molecules in the form of _____ been used organic quantum computers
solid
liquid
gas
aerosol
10. Unlike classical computers, Quantum computers require ________ to function
a) high temperature
b) low temperature
c) low density
d) high density
11. Narrow wires must be short and should be controlled by nearby _____in Quantum computers
a) narrow wires
b) neighbor wires
c) common channel
d) wide wires
12. Cellular automata produces
exhaustive patterns
exhaustive pseudo random patterns
random patterns
pseudo random patterns
13. Which method needs more number of EX-OR gates?
internal feedback LFSR
counters
external feedback LFSR
cellular automata
14. SQUIDs are tiny loops of _____ that, when exposed to a magnetic field, carry an electrical current
a) insulator
b) superconductor
c) semiconductor
d) polymers
Unit 5
15. _____process the data according to the instructions of the program
a) Processing unit
b) Assembler
c) memory
d) compiler
16. Generally memory is split into _____ memory and ____ memory
a) Program & data
b) Program & temporary
c) variable & temporary
d) data & temporary
17. Current microprocessors are advantageous due to their _____logic gates and their architecture
a) digital
b) analog
c) hybrid type of analog & digital
d) molecular
18. Future computer should switch off the ________ circuits
a) inactive
b) repaired
c) unused
d) frequently used
19. The computation power of a system could be extended if many process work on the _____
a) same task
b) different tasks
c) multiple tasks
d) only one task
20. The efficiency is inversely proportional to active
a) chip density
b) chip length
c) chip thickness
d) chip area
21. The efficiency is inversely proportional to the clock _____
a) power
b) resistance
c) frequency
d) capacitance
22. Parasitic wiring capacitances have to be minimized in order to maintain the clock ___ within certain
boundaries
a) power
b) resistance
c) frequency
d) capacitance
23. Distributed parasitic capacitances limit the ____of a wire and result in distorted signals.
a) bandwidth
b) resistance
c) frequency
d) lifetime
24. In parallelism the static power consumption ____ for constant supply voltage since large number of devices
causes more leakage current
a) decreases
b) increases
c) exponentially increases
d) exponentially decreases
25. The memory generally consumes ___ % of the entire circuitry
a) 60
b) 70
c) 80
d) 90
26. While processing with large memories, the maximum clock frequency can be roughly estimated as a
function of ________
a) the address space
b) memory space
c) the address space and the memory size
d) number of processes
27. In RAW computers, the programmable connections generally consume about _____ of the whole chip area.
a. 10 %
b. 30 %
c. 50 %
d. 70 %
28. In general, the power supply of the clock can consume up to ___% of the whole power consumption.
a. 5
b. 20
c. 35
d. 50
29. Parasitic wiring capacitances have to be ________in order to maintain the clock power within certain
boundaries.
a. Maximized
b. Maintained in a constant value
c. Minimized
d. neglected from the subject of interest
30. Teramac comprises ______ logic units that are clocked at a relatively low frequency of 1 MHz.
a) 10
b) 103
c) 106
d) 109
