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

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
by

1 Answer

Answer :

(B) n / 8 MB
by

Related questions

Given an image of size 1024 × 1024 pixels in which intensity of each pixel is an 8-bit quality. It requires ............... of storage space if the image is not compressed. (A) one Terabyte (B) one Megabyte (C) 8 Megabytes (D) 8 Terabytes

Description : Given an image of size 1024 × 1024 pixels in which intensity of each pixel is an 8-bit quality. It requires ............... of storage space if the image is not compressed. (A) one Terabyte (B) one Megabyte (C) 8 Megabytes (D) 8 Terabytes

Last Answer : (B) one Megabyte

The redundancy in images stems from: (A) pixel decorrelation (B) pixel correlation (C) pixel quantization (D) image size

Description : The redundancy in images stems from: (A) pixel decorrelation (B) pixel correlation (C) pixel quantization (D) image size

Last Answer : (B) pixel correlation

What is the bit rate for transmitting uncompressed 800x600 pixel colour frames with 8 bits/pixel at 40 frames/second ? (A) 2.4 Mbps (B) 15.36 Mbps (C) 153.6 Mbps (D) 1536 Mbps

Description : What is the bit rate for transmitting uncompressed 800x600 pixel colour frames with 8 bits/pixel at 40 frames/second ? (A) 2.4 Mbps (B) 15.36 Mbps (C) 153.6 Mbps (D) 1536 Mbps 

Last Answer : (C) 153.6 Mbps Explanation: The number of bits/sec is just 800x600x40x8 or 153.6 Mbps.

A virtual memory has a page size of 1K words. There are eight pages and four blocks. The associative memory page table contains the following entries: Image Which of the following list of virtual addresses (in decimal) will not cause any page fault if referenced by the CPU? (A) 1024, 3072, 4096, 6144 (B) 1234, 4012, 5000, 6200 (C) 1020, 3012, 6120, 8100 (D) 2021, 4050, 5112, 7100

Description : A virtual memory has a page size of 1K words. There are eight pages and four blocks. The associative memory page table contains the following entries:  Which of the following list of virtual addresses (in ... 1234, 4012, 5000, 6200 (C) 1020, 3012, 6120, 8100 (D) 2021, 4050, 5112, 7100

Last Answer : Answer: C Explanation: The pages which are not in main memory are: 1020 will not cause page fault (1024-2047) 3012 will not cause page fault (3072-4095) 6120 will not cause page fault (4096-5119) 8100 will not cause page fault (6144-7167)

How many colours can be used for each pixel if the colour depth is 4 bit? A. 4 colours B. 5 colours C. 15 colours D. 16 colours

Description : How many colours can be used for each pixel if the colour depth is 4 bit? A. 4 colours B. 5 colours C. 15 colours D. 16 colours

Last Answer : D. 16 colours

An image is 1024∗800 pixels with 3 bytes/pixel. Assume the image is uncompressed. How long does it take to transmit it over a 10-Mbps Ethernet ? (A) 196.6 seconds (B) 19.66 seconds (C) 1.966 seconds (D) 0.1966 seconds

Description : An image is 1024∗800 pixels with 3 bytes/pixel. Assume the image is uncompressed. How long does it take to transmit it over a 10-Mbps Ethernet ? (A) 196.6 seconds (B) 19.66 seconds (C) 1.966 seconds (D) 0.1966 seconds

Last Answer : (C) 1.966 seconds

The binary code for each pixel is used to determine A. Which colour will be displayed B. How big the image is C. What shape the image is D. How many pixels will be in the image

Description : The binary code for each pixel is used to determine A. Which colour will be displayed B. How big the image is C. What shape the image is D. How many pixels will be in the image

Last Answer : A. Which colour will be displayed

An artist makes an RGB raster image in which each pixel color is encoded with 12-bits --- 4 bits each for red, green and blue.Which of the following correctly shows the hexadecimal value for Red as a 12-bit representation A. F00 B. 00F C. FF00 D. FF0000

Description : An artist makes an RGB raster image in which each pixel color is encoded with 12-bits --- 4 bits each for red, green and blue.Which of the following correctly shows the hexadecimal value for Red as a 12-bit representation A. F00 B. 00F C. FF00 D. FF0000

Last Answer : D. FF0000

The number of distinct binary images which can be generated from a given binary image of right M × N are (A) M + N (B) M × N (C) 2M + N (D) 2MN

Description : The number of distinct binary images which can be generated from a given binary image of right M × N are (A) M + N (B) M × N (C) 2M + N (D) 2MN

Last Answer : (D) 2MN

Which among the following is correct: a) 1 KB = 8 Bytes b) 1 MB = 8 KB c) 1 KB = 1024 Bytes d) None of The Above

Description : Which among the following is correct: a) 1 KB = 8 Bytes b) 1 MB = 8 KB c) 1 KB = 1024 Bytes d) None of The Above

Last Answer : c) 1 KB = 1024 Bytes

The transformation matrix required for conversion of CMY colour model to RGB colour model is given as Image

Description : The transformation matrix required for conversion of CMY colour model to RGB colour model is given as

Last Answer : Answer: C

If h is chosen from a universal collection of hash functions and is used to hash n keys into a table of size m, where n ≤ m, the expected number of collisions involving a particular key K is (A) less than 1 (B) less than lg n (C) greater than 1 (D) greater than lg n

Description : If h is chosen from a universal collection of hash functions and is used to hash n keys into a table of size m, where n ≤ m, the expected number of collisions involving a particular key K is (A) less than 1 (B) less than lg n (C) greater than 1 (D) greater than lg n

Last Answer : (A) less than 1

If h is chosen from a universal collection of hash functions and is used to hash n keys into a table of size m, where n≤m, the expected number of collisions involving a particular key x is less than ................... (1) 1 (2) 1/n (3) 1/m (4) n/m

Description : If h is chosen from a universal collection of hash functions and is used to hash n keys into a table of size m, where n≤m, the expected number of collisions involving a particular key x is less than ................... (1) 1 (2) 1/n (3) 1/m (4) n/m

Last Answer : Answer: 1

For the 8-bit word 00111001, the check bits stored with it would be 0111. Suppose when the word is read from memory, the check bits are calculated to be 1101. What is the data word that was read from memory? (A) 10011001 (B) 00011001 (C) 00111000 (D) 11000110

Description : For the 8-bit word 00111001, the check bits stored with it would be 0111. Suppose when the word is read from memory, the check bits are calculated to be 1101. What is the data word that was read from memory? (A) 10011001 (B) 00011001 (C) 00111000 (D) 11000110

Last Answer : (B) 00011001

How much space will be required to store the bit map of a 1.3 GB disk with 512 bytes block size ? (A) 332.8 KB (B) 83.6 KB (C) 266.2 KB (D) 256.6 KB

Description : How much space will be required to store the bit map of a 1.3 GB disk with 512 bytes block size ? (A) 332.8 KB (B) 83.6 KB (C) 266.2 KB (D) 256.6 KB

Last Answer : (A) 332.8 KB

The size of the ROM required to build an 8-bit adder/subtractor with mode control, carry input, carry output and two’s complement overflow output is given as

Description : The size of the ROM required to build an 8-bit adder/subtractor with mode control, carry input, carry output and two’s complement overflow output is given as

Last Answer : (B) 218 × 10

Which processor provided 1 MB memory: a. 16-bit 8086 and 8088 b. 32-bit 8086 and 8088 c. 64-bit 8086 and 8088 d. 8-bit 8086 and 8088

Description : Which processor provided 1 MB memory: a. 16-bit 8086 and 8088 b. 32-bit 8086 and 8088 c. 64-bit 8086 and 8088 d. 8-bit 8086 and 8088

Last Answer : a. 16-bit 8086 and 8088

Suppose a digitized voice channel is made by digitizing 8 kHz bandwidth analog voice signal. It is required to sample the signal at twice the highest frequency (two samples per hertz). What is the bit rate required, if it is assumed that each sample requires 8 bits? (A) 32 kbps (B) 64 kbps (C) 128 kbps (D) 256 kbps

Description : Suppose a digitized voice channel is made by digitizing 8 kHz bandwidth analog voice signal. It is required to sample the signal at twice the highest frequency (two samples per hertz). What is the bit rate required, if it ... sample requires 8 bits? (A) 32 kbps (B) 64 kbps (C) 128 kbps (D) 256 kbps

Last Answer : (C) 128 kbps

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

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

Consider the following ER diagram: Image The minimum number of tables required to represent M, N, P, R1, R2 is (A) 2 (B) 3 (C) 4 (D) 5

Description : Consider the following ER diagram:  The minimum number of tables required to represent M, N, P, R1, R2 is (A) 2 (B) 3 (C) 4 (D) 5

Last Answer : (A) 2 

Which statement is valid? A) 1KB = 1024 bytes B) 1 MB=2048 bytes C) 1 MB = 1000 kilobytes D) 1 KB = 1000 bytes

Description : Which statement is valid? A) 1KB = 1024 bytes B) 1 MB=2048 bytes C) 1 MB = 1000 kilobytes D) 1 KB = 1000 bytes

Last Answer : Answer : A

Which is valid statement A) 1 KB = 1024 Bytes B) 1 MB = 1024 Bytes C) 1 KB = 1000 Bytes D) 1 MB = 1000 Bytes

Description : Which is valid statement A) 1 KB = 1024 Bytes B) 1 MB = 1024 Bytes C) 1 KB = 1000 Bytes D) 1 MB = 1000 Bytes

Last Answer : Answer : A

The term ‘giga byte’ equals to ________ A. 1024 byte B. 1024 KB C. 1024 GB D. 1024 MB

Description : The term ‘giga byte’ equals to ________ A. 1024 byte B. 1024 KB C. 1024 GB D. 1024 MB

Last Answer : D. 1024 MB

Which statement is valid? a. 1KB = 1024 bytes b. 1 MB=2048 bytes c. 1 MB = 1000 kilobytes d. 1 KB = 1000 bytes

Description : Which statement is valid? a. 1KB = 1024 bytes b. 1 MB=2048 bytes c. 1 MB = 1000 kilobytes d. 1 KB = 1000 bytes

Last Answer : 1KB = 1024 bytes

Find the incorrect one: a) 1 KB = 1024 BYTES b) 1 MB = 1024 KB c) 1 GB = 1024 MB d) 1 TB = 1024 GB e) 1 PB = 1024 TB f) None of These

Description : Find the incorrect one: a) 1 KB = 1024 BYTES b) 1 MB = 1024 KB c) 1 GB = 1024 MB d) 1 TB = 1024 GB e) 1 PB = 1024 TB f) None of These

Last Answer : f) None of These

1GB consists of: a) 1000 TB b) 1024 KB c) 1024 MB d) None of These

Description : 1GB consists of: a) 1000 TB b) 1024 KB c) 1024 MB d) None of These

Last Answer : c) 1024 MB

1024 bytes equals: 1) 1 KB 2) 2 MB 3) 1 GB 4) 1TB

Description : 1024 bytes equals: 1) 1 KB 2) 2 MB 3) 1 GB 4) 1TB

Last Answer : 1) 1 KB

1024 bytes equals: 1 1 KB 2 2 MB 3 1 GB 4 1TB

Description : 1024 bytes equals: 1 1 KB 2 2 MB 3 1 GB 4 1TB

Last Answer : 1 1 KB

Which statement is valid? a. 1KB = 1024 bytes b. 1 MB=2048 bytes c. 1 MB = 1000 kilobytes d. 1 KB = 1000 bytes

Description : Which statement is valid? a. 1KB = 1024 bytes b. 1 MB=2048 bytes c. 1 MB = 1000 kilobytes d. 1 KB = 1000 bytes

Last Answer : a. 1KB = 1024 bytes

1024 bytes equals : (1) 1 TB (2) 1 GB (3) 1 MB (4) 1 KB

Description : 1024 bytes equals : (1) 1 TB (2) 1 GB (3) 1 MB (4) 1 KB

Last Answer : 1 KB

WOW32 is a: (A) Win 32 API library for creating processes and threads. (B) Special kind of file system to the NT name space. (C) Kernel - mode objects accessible through Win32 API (D) Special execution environment used to run 16 bit Windows applications on 32 - bit machines.

Description : WOW32 is a: (A) Win 32 API library for creating processes and threads. (B) Special kind of file system to the NT name space. (C) Kernel - mode objects accessible through Win32 API (D) Special execution environment used to run 16 bit Windows applications on 32 - bit machines.

Last Answer : (D) Special execution environment used to run 16 bit Windows applications on 32 - bit machines.

In which of the following terminals the screen is regarded as an array of pixels, where each pixel is either on or off: a) Character Map Terminal b) Bit Map Terminal c) RS 232 C Terminal d) None of The Above

Description : In which of the following terminals the screen is regarded as an array of pixels, where each pixel is either on or off: a) Character Map Terminal b) Bit Map Terminal c) RS 232 C Terminal d) None of The Above

Last Answer : b) Bit Map Terminal

What could possibly be the environment of a Satellite Image Analysis System? a) Computers in space and earth b) Image categorization techniques c) Statistical data on image pixel intensity value and histograms d) All of the mentioned

Description : What could possibly be the environment of a Satellite Image Analysis System? a) Computers in space and earth b) Image categorization techniques c) Statistical data on image pixel intensity value and histograms d) All of the mentioned

Last Answer : d) All of the mentioned

A network on the Internet has a subnet mask of 255.255.240.0. What is the maximum number of hosts it can handle ? (A) 1024 (B) 2048 (C) 4096 (D) 8192

Description : A network on the Internet has a subnet mask of 255.255.240.0. What is the maximum number of hosts it can handle ? (A) 1024 (B) 2048 (C) 4096 (D) 8192

Last Answer : (C) 4096

The address of a class B host is to be split into subnets with a 6-bit subnet number. What is the maximum number of subnets and the maximum number of hosts in each subnet? a. 62 subnets and 262142 hosts. b. 64 subnets and 262142 hosts. c. 62 subnets and 1022 hosts. d. 64 subnets and 1024 hosts

Description : The address of a class B host is to be split into subnets with a 6-bit subnet number. What is the maximum number of subnets and the maximum number of hosts in each subnet? a. 62 subnets and 262142 hosts. b. 64 subnets and 262142 hosts. c. 62 subnets and 1022 hosts. d. 64 subnets and 1024 hosts

Last Answer : c. 62 subnets and 1022 hosts.

A 32-bit address bus allows access to a memory of capacity(a) 64 Mb (b) 16 Mb (c) 1Gb (d) 4 Gb 2.Which processor structure is pipelined? a) all x80 processors b) all x85 processors c) all x86 processors

Description : A 32-bit address bus allows access to a memory of capacity(a) 64 Mb (b) 16 Mb (c) 1Gb (d) 4 Gb 2.Which processor structure is pipelined? a) all x80 processors b) all x85 processors c) all x86 processors

Last Answer : c) all x86 processors

A memory management system has 64 pages with 512 bytes page size. Physical memory consists of 32 page frames. Number of bits required in logical and physical address are respectively: (1) 14 and 15 (2) 14 and 29 (3) 15 and 14 (4) 16 and 32

Description : A memory management system has 64 pages with 512 bytes page size. Physical memory consists of 32 page frames. Number of bits required in logical and physical address are respectively: (1) 14 and 15 (2) 14 and 29 (3) 15 and 14 (4) 16 and 32

Last Answer : (3) 15 and 14

The distributed system is a collection of (P) and communication is achieved in distributed system by (Q) , where (P) and (Q) are : (A) Loosely coupled hardware on tightly coupled software and disk sharing, respectively. (B) Tightly coupled hardware on loosely coupled software and shared memory, respectively. (C) Tightly coupled software on loosely coupled hardware and message passing ,respectively. (D) Loosely coupled software on tightly coupled hardware and file sharing, respectively.

Description : The distributed system is a collection of (P) and communication is achieved in distributed system by (Q) , where (P) and (Q) are : (A) Loosely coupled hardware on tightly ... message passing ,respectively. (D) Loosely coupled software on tightly coupled hardware and file sharing, respectively.

Last Answer : (C) Tightly coupled software on loosely coupled hardware and message passing ,respectively. 

There are exactly ................ different finite automata with three states x, y and z over the alphabet {a, b} where x is always the start state. (A) 64 (B) 256 (C) 1024 (D) 5832

Description : There are exactly ................ different finite automata with three states x, y and z over the alphabet {a, b} where x is always the start state. (A) 64 (B) 256 (C) 1024 (D) 5832

Last Answer : Answer: D

Consider a disk with 16384 bytes per track having a rotation time of 16 msec and average seek time of 40 msec. What is the time in msec to read a block of 1024 bytes from this disk? (A) 57 msec (B) 49 msec (C) 48 msec (D) 17 msec

Description : Consider a disk with 16384 bytes per track having a rotation time of 16 msec and average seek time of 40 msec. What is the time in msec to read a block of 1024 bytes from this disk? (A) 57 msec (B) 49 msec (C) 48 msec (D) 17 msec

Last Answer : Answer: B

_______ isnormally referred toas mB/nB coding; it replaceseach m-bit group with an n-bit group. A) Block coding B) Line coding C) Scrambling

Description : _______ isnormally referred toas mB/nB coding; it replaceseach m-bit group with an n-bit group. A) Block coding B) Line coding C) Scrambling

Last Answer : Block coding

Which of the following is incorrect for virtual memory? (1) Large programs can be written (2) More I/O is required (3) More addressable memory available (4) Faster and easy swapping of process

Description : Which of the following is incorrect for virtual memory? (1) Large programs can be written (2) More I/O is required (3) More addressable memory available (4) Faster and easy swapping of process

Last Answer : Answer: 2

The capacity of this chip is 1KB they are organized in the form of 1024 words with 8 bit word The what is the site of address bus: a. 8 bit b. 10 bit c. 12 bit d. 16 bit

Description : The capacity of this chip is 1KB they are organized in the form of 1024 words with 8 bit word The what is the site of address bus: a. 8 bit b. 10 bit c. 12 bit d. 16 bit

Last Answer : b. 10 bit

An analog signal has a bit rate of 6000 bps and a baud rate of 2000 baud. How many data elements are carried by each signal element ? (A) 0.336 bits/baud (B) 3 bits/baud (C) 120,00,000 bits/baud (D) None of the above

Description : An analog signal has a bit rate of 6000 bps and a baud rate of 2000 baud. How many data elements are carried by each signal element ? (A) 0.336 bits/baud (B) 3 bits/baud (C) 120,00,000 bits/baud (D) None of the above

Last Answer : (B) 3 bits/baud

Consider a 32 - bit microprocessor, with a 16 - bit external data bus, driven by an 8 MHz input clock. Assume that the microprocessor has a bus cycle whose minimum duration equals four input clock cycles. What is the maximum data transfer rate for this microprocessor? (A) 8x106 bytes/sec (B) 4x106 bytes/sec (C) 16x106 bytes/sec (D) 4x109 bytes/sec

Description : Consider a 32 - bit microprocessor, with a 16 - bit external data bus, driven by an 8 MHz input clock. Assume that the microprocessor has a bus cycle whose minimum duration equals four input clock cycles. What ... (A) 8x106 bytes/sec (B) 4x106 bytes/sec (C) 16x106 bytes/sec (D) 4x109 bytes/sec 

Last Answer : (B) 4x106 bytes/sec

What do you call a single point on a computer screen? A) Cell B) Element C) Pixel D) Bit

Description : What do you call a single point on a computer screen? A) Cell B) Element C) Pixel D) Bit

Last Answer : Answer : C

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 rate of one million instructions per second. By how much will the CPU be slowed down because of the DMA transfer? (A) 0.06% (B) 0.12% (C) 1.2% (D) 2.5%

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

A dynamic RAM has refresh cycle of 32 times per msec. Each refresh operation requires 100 nsec and a memory cycle requires 250 nsec. What percentage of memory’s total operating time is required for refreshes? (A) 0.64 (B) 0.96 (C) 2.00 (D) 0.32

Description : A dynamic RAM has refresh cycle of 32 times per msec. Each refresh operation requires 100 nsec and a memory cycle requires 250 nsec. What percentage of memory’s total operating time is required for refreshes? (A) 0.64 (B) 0.96 (C) 2.00 (D) 0.32

Last Answer : Answer: D Explanation: in 1ms : refresh = 32 times Memory cycle = 1ms/250ns = 106ns/250ns = 4000 times Therefore, % of refresh time = (32 x 100ns)/(4000 x 250ns) = 3200ns/1000000 x 100% = 0.32%

A t-error correcting q-nary linear code must satisfy: Image Where M is the number of code words and X is (1) qn (2) qt (3) q-n (4) q-t

Description : A t-error correcting q-nary linear code must satisfy:  Where M is the number of code words and X is (1) qn (2) qt (3) q-n (4) q-t

Last Answer : (1) qn