COMPUTER SCIENCE TRIPOS Part IB – 2014 – Paper 4 9 Security I (MGK) Block ciphers usually process 64 or 128-bit blocks at a time. To illustrate how their modes of operation work, we can use instead a pseudo-random pe

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• Block cipher
• Ciphertext
• Keystream
• Initialization vector
• Cryptography
• Stream ciphers
• Block cipher modes of operation

COMPUTER SCIENCE TRIPOS Part IB – 2013 – Paper 4 9 Security I (MGK) (a) While inspecting the discretionary access-control arrangements on a Unix computer, you find the following setup:

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• Ls
• Benn
• Find

COMPUTER SCIENCE TRIPOS Part II – 2012 – Paper 9 5 Digital Signal Processing (MGK) (a) Make the following statements correct by changing one word or number. (Negating the sentence is not sufficient.)

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• Electronic engineering
• Electronics
• Infinite impulse response
• Filter design
• Filter
• Z-transform
• Finite impulse response
• Impulse invariance
• Digital signal processing
• Filter theory
• Signal processing

DIARIO m «9,007 OFICIAL DE LA REPÚBLICA DE Miércoles ZQ de Noviembre de Í974

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2008 Paper 9 Question 11 Digital Signal Processing (a) A radio system outputs signals with frequency components only in the range 2.5 MHz to 3.5 MHz. The analog-to-digital converter that you want to use to digitise such

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• Electrical engineering
• Electronic circuits
• Digital filter
• Aliasing
• Electronic filter
• Filter theory
• Sampling rate
• Sampling
• Analog-to-digital converter
• Digital signal processing
• Signal processing
• Electronic engineering

2009 Paper 9 Question 12 Digital Signal Processing (a) Make the following statements correct by changing one word or number. (Negating the sentence is not sufficient.) (i ) In the stopband, a filter design approximates

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• Signal processing
• Time series analysis
• Unitary operators
• Window function
• Discrete signal
• Fourier transform
• JPEG
• Short-time Fourier transform
• Discrete sine transform
• Mathematical analysis
• Fourier analysis
• Digital signal processing

COMPUTER SCIENCE TRIPOS Part II – 2013 – Paper 9 5 Digital Signal Processing (MGK) (a) Consider a digital filter with impulse response sin[2π(i − n/2)α]

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• Mathematics
• Digital filter
• Fourier series
• Fourier transform
• Digital signal processing
• Mathematical analysis
• Fourier analysis

2010 Paper 9 Question 7 Digital Signal Processing (a) Make the following statements correct by changing one word or number. (Negating the sentence is not sufficient.) (i ) An absolutely summable discrete sequence will h

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CARABINEROS DE CHILE CONSEJO ASESOR SUPERIOR DEPTO. I REGLAMENTO DE FERIADOS, PERMISOS, LICENCIAS Y OTROS BENEFICIOS, Nº 9

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1993 Paper 9 Question 1 Digital Signal Processing Describe in detail the use of the bilinear transformation s→

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