Description : There are not enough combinations of the five-unit code to handle the alphabet, symbols and so forth. What is used to increase the number of available code combinations?
Last Answer : Shift signals.
Description : The standard ASCII A. is version II of ASC B. is used only in US and Canada C. has 132 characters including 32 control characters D. is subset of 8-bit EBCDIC code
Last Answer : C. has 132 characters including 32 control characters
Description : How many input combinations are possible using G, K, and L?
Last Answer : . Eight.
Description : Instructions and memory address are represented by A) Character code B) Binary codes C) Binary word D) Parity bit
Last Answer : Answer : B
Description : Instructions and memory address are represented by a. Character code b. Binary codes c. Binary word d. Parity bit
Last Answer : Binary codes
Last Answer : b. Binary codes
Description : How many 8-bit characters can be transmitted per second over a 9600 baud serial communication link using asynchronous mode of transmission with one start bit, eight data bits, two stop bits, and one parity bit ? a. 600 b. 800 c. 876 d. 1200
Last Answer : b. 800
Description : How many of those combinations will produce a HIGH output?
Last Answer : Seven.
Description : How many input combinations exist for a four-input AND gate?
Last Answer : 16.
Description : In NRZ code, does the presence of a high-light level in the bit duration represent a binary 1 or a binary 0?
Last Answer : Binary 1.
Description : Images tend to be very large collection of data. The size of memory required for a 1024 by 1024 image in which the colour of each pixel is represented by a n-bit number, (in an 8 bit machines) is (A) n × 8 MB (B) n / 8 MB (C) (1024 × 1024) / 8 MB (D) 1024 MB
Last Answer : (B) n / 8 MB
Description : A DMA controller transfers 32-bit words to memory using cycle Stealing. The words are assembled from a device that transmits characters at a rate of 4800 characters per second. The CPU is fetching and executing instructions at an average ... of the DMA transfer? (A) 0.06% (B) 0.12% (C) 1.2% (D) 2.5%
Last Answer : Answer: B
Description : Assume that we need to download text documents at the rate of 100 pages per minute. A page is an average of 24 lines with 80 characters in each line and each character requires 8 bits. Then the required bit rate of the channel is ... ...... (A) 1.636 Kbps (B) 1.636 Mbps (C) 2.272 Mbps (D) 3.272 Kbps
Last Answer : Answer: Marks given to all
Description : Describe how to retrieve the ASCII key code from a keystroke. How would you retrieve key combinations for non-ASCII keys?
Last Answer : Keystrokes can be intercepted by handling the KeyPress and KeyDown events. Both of these events relay information to their handling methods in the form of their EventArgs. The KeyPressEventArgs, ... you would handle the KeyDown event and use the properties exposed by the KeyEventArgs instance.
Description : How many FFs would be required for an 8-bit shift register?
Last Answer : Eight.
Description : A computer or device that uses 8-bit ASCII or EBCDIC will use how many bits to store each character?
Last Answer : Nine.
Description : What type of wave motion is represented by the motion of water?
Last Answer : Transverse waves.
Description : What type of gate is represented by the output Boolean expression R T Å ?
Last Answer : Exclusive NOR (X-NOR).
Description : A constant represented by a voltage can be read to what decimal place?
Last Answer : Third.
Description : A light wave can be represented as a plane wave. What three properties of light propagation describe a plane wave?
Last Answer : Direction, amplitude, and wavelength of propagation
Description : How is data represented?
Last Answer : By symbols.
Description : 3 bit binary numbers can be represented by a. Binary number b. Decimal number Cc. Hexadecimal number d. Octal number
Last Answer : d. Octal number
Description : 170. A character is represented in EBCDIC by: a) One bit b) Four bits c) Eight bits d) None of The Above
Last Answer : c) Eight bits
Description : A character of information is represented by a(n)- 1) Byte 2) Bit 3) Field 4) None of these
Last Answer : 1) Byte
Description : A data file of 1,00,000 characters contains only the characters g-l, with the frequencies as indicated in table: using the variable-length code by Huffman codes, the file can be encoded with (A) 2,52,000 bits (B) 2,64,000 bits (C) 2,46,000 bits (D) 2,24,000 bits
Last Answer : (D) 2,24,000 bits
Description : The data cell had a storage capacity of how many characters?
Last Answer : Over 100 million.
Description : What output device expresses coded characters as hard copy (paper documents)?
Last Answer : Printers.
Description : What term is used for the representation of two numeric characters stored in eight bits?
Last Answer : Packing or packed data.
Description : High-resolution, bit-mapped displays are useful for displaying _____________ a) clearer characters b) graphics c) more characters d) all of the mentioned
Last Answer : c) more characters
Description : How many characters per sec (7 bits + 1 parity ) can be transmitted over a 2400 bps line if the transfer is synchronous (1 start and 1 stop bit)?
Last Answer : 1. 300 2. 240 3. 250 4. 275 Ans- 2400/(7+1+2) 240
Description : New sandwich combinations using McDonalds breakfast components?
Last Answer : answer:McDouble with added lettuce, tomato, and Mac Sauce. Poor man’s Big Mac. Also, nuggets dipped in a side of Mac sauce doesn’t suck.
Description : What possible combinations using 12 and 18 are there for the sum of 144?
Last Answer : 8*123*12 + 6*186*12 + 4*189*12 + 2*1812*12.
Description : At the lower layer of SSL, a protocol for transferring data using a variety of predefined cipher and authentication combinations called the ………………. A) SSL handshake protocol B) SSL authentication protocol C) SSL record protocol D) SSL cipher protocol
Last Answer : C) SSL record protocol
Description : A 1 Mhz carrier is amplitude modulated by a pure 200-Hz audio test tone. Which of the following combinations of frequencies represent the total content of the AM signal? A. 1 MHz and 200 Hz B. 1 MHz and 1000.2 kHz C. 999.8 kHz, 1000 kHz, and 1000.2 kHz D. 999.8 kHz and 1000.2 kHz
Last Answer : C. 999.8 kHz, 1000 kHz, and 1000.2 kHz
Description : Select the incorrect from the following. The combinations of loads for serviceability conditions should be [ A ] 1.0 DL + 1.0 LL [ B ] 1.0 DL + 1.0 WL [ C ] 1.0 DL + 0.8 LL + 0.8 WL [ D ] 0.8 DL + 0.8 LL + 0.8 WL
Last Answer : [ D ] 0.8 DL + 0.8 LL + 0.8 WL
Description : How many different allele combinations would be found in the gametes produced by a pea plant whose genotype was RrYY? a. 2 b. 4 c. 8 d. 16
Last Answer : a. 2
Description : The original ASCII code used__bits of each byte, reserving that last bit for error checking A) 5 B) 6 C) 7 D) 8
Last Answer : Answer : C
Description : Which type of computers uses the 8-bit code called EBCDIC? A) Minicomputers B) Microcomputers C) Mainframe computers D) Super computer
Description : What is the quantization signal-to-noise ratio if an 8-bit PCM code is used? A. 40 dB B. 50 dB C. 60 dB D. 65 dB
Last Answer : B. 50 dB
Description : Which type of computers uses the 8-bit code called EBCDIC? a. Minicomputers b. Microcomputers c. Mainframe computers d. Super computer
Last Answer : c. Mainframe computers
Description : The original ASCII code used…bits of each byte, reserving that last bit for error checking a. 5 b. 6 c. 7 d. 8
Last Answer : c. 7
Description : A Huffman code: A = 1, B = 000, C = 001, D = 01 ,P(A) = 0.4, P(B) = 0.1, P(C) = 0.2, P(D) = 0.3 The average number of bits per letter is A. 8.0 bit B. 2.0 bit C. 1.9 bit D. 2.1 bit
Last Answer : C. 1.9 bit
Description : A Huffman code: A = 1, B = 000, C = 001, D = 01 ,P(A) = 0.4, P(B) = 0.1, P(C) = 0.2, P(D) = 0.3 The average number of bits per letter is a. 8.0 bit b. 2.0 bit c. 1.9 bit d. 2.1 bit
Last Answer : c. 1.9 bit
Description : Which type of computers uses the 8-bit code called EBCDIC? a. Minicomputers b. Microcomputers c. Mainframe computer
Last Answer : c. Mainframe computer
Description : How many clock pulses are required to output a 4-bit number in serial form?
Last Answer : Four.
Description : How many stages are required to store a 16-bit word?