Description : Which of the following are the best units of data on an external storage device? A) Bits B) Bytes C) Hertz D) Clock cycles
Last Answer : Answer : B
Description : Which of the following are the best units of data on an external storage device? 1 Bits 2 Bytes 3 Hertz 4 Clock cycles
Last Answer : 2 Bytes
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
Description : What is the commonly used unit for measuring the sped of data transmission? 1) Bits per second 2) Nano seconds 3) Characters per second 4) Mega Hertz
Last Answer : 1) Bits per second
Description : What is the commonly used unit for measuring the speed of data transmission ? (1) Mega Hertz (2) Characters per second (3) Bits per second (4) Nano seconds
Last Answer : Bits per second
Description : The unit 'hertz' is equivalent to _____________. A. coulombs per second B. revolutions per second C. revolutions per minute D. cycles per second
Last Answer : Answer: D
Description : One megabyte equals approximately 1) 1,000 bits 2) 1,000 bytes 3) 1 million bytes 4) 1 million bits 5) 2,000 bytes
Last Answer : Answer :3
Description : The word length of a computer is measured in A) Bytes B) Millimeters C) Meters D) Bits
Last Answer : Answer : D
Description : 1 Kilobyte (KB) is _______: a) 1000 bits b) 1 Kilo KB c) Both (a) and (b) d) 1024 Bytes e) None of The Above
Last Answer : d) 1024 Bytes
Description : Speed of processor chip is measured in (1) Mbps (2) MHz (2) Bits/second (4) Bytes/second
Last Answer : MHz
Description : Write the memory capacity (storage size) of short and float data type in bytes
Last Answer : Ans. short data type is of 2 bytes and float is of 4 bytes
Description : What is the commonly used unit for measuring the speed of data transmission? A) Bytes per second B) Baud C) Bits per second D) Both B and C
Last Answer : B) Baud
Description : The network layer is concerned with __________ of data. a. bits b. frames c. packets d. bytes
Last Answer : c. packets
Description : How many bytes of data can be sent in 15 seconds over a serial link with baud rate of 9600 in asynchronous mode with odd parity and two stop bits in the frame? a. 10,000 bytes b. 12,000 bytes c. 15,000 bytes d. 27,000 bytes
Last Answer : b. 12,000 bytes
Description : Consider a CSMA/CD network that transmits data at a rate of 100 Mbps (108 bits per second) over a 1 km (kilometre) cable with no repeaters. If the minimum frame size required for this network is 1250 bytes, what is the signal speed (km/sec) in the cable? a. 8000 b. 10000 c. 16000 d. 20000
Last Answer : d. 20000
Description : The network layer encapsulates the data into _______of data. A. bits B. frames C. packets D. bytes
Last Answer : C. packets
Description : The network layer is concerned with __________ of data. a) bits b) frames c) packets d) bytes
Last Answer : c) packets
Description : What is the commonly used unit for measuring the speed of data transmission? A) Bytes per second B) Baud C) Bits per second
Description : Data in network layer is transferred in the form of ____________ A. Layers B. Packets C. Bytes D. Bits
Last Answer : B. Packets
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
Description : A parallel port is most often used by a - 1) Mouse 2) Monitor 3) Printer 4) External storage device
Last Answer : 3) Printer
Description : Which is not an external storage device ? (1) CD - ROM (2) DVD-ROM (3) Pen Drive (4) RAM
Last Answer : RAM
Description : A parallel port is most often used by a – (1) Printer (2) Monitor (3) Mouse (4) External storage device
Last Answer : Printer
Description : The synchronous modems are more costly than the asynchronous modems because a. they produce large volume of data b. they contain clock recovery circuits c. they transmit the data with stop and start bits d. they operate with a larger bandwidth e. none of above
Last Answer : they contain clock recovery circuits
Description : The synchronous modems are more costly than the asynchronous modemsbecause A. they produce largevolumeof data B. they contain clock recovery circuits C. they transmit thedata with stop and start bits. D. they operate witha largerbandwidth E. None of the above
Description : In a digital transmission, the receiver clock is 0.1 percent faster than the sender clock. How many extra bits per second does the receiver receive if the data rate is 1 Mbps ? (A) 10 bps (B) 100 bps (C) 1000 bps (D) 10000 bps
Last Answer : (C) 1000 bps
Description : A memory unit stores 2^16 bytes in 32-bit words. How many address bits are necessary in order to retrieve a single word from this memory unit?
Last Answer : Each word is 4 bytes, which occupies 4 consecutive addresses at 16 bits each. The first 14 bits of these addresses will be the same, differing only in the two least significant bits. You only need to specify the first 14 bits, because there are only 2^14 words occupying those 2^16 bytes.
Last Answer : 8 bits = 1 byte.
Description : Voltage signal generated by a microphone is A. digital in nature B. analogue in nature C. consists of bits and bytes D. hybrid in nature
Last Answer : analogue in nature
Description : A binary number with 8 bits is called asa___ a. Bytes b. Bits c. Nibble d. __ Allof these
Last Answer : a. Bytes
Description : A sender uses the Stop-and-Wait ARQ protocol for reliable transmission of frames. Frames are of size 1000 bytes and the transmission rate at the sender is 80 Kbps (1Kbps = 1000 bits/second). Size of ... is lost, the sender throughput is __________ bytes/second. a. 2500 b. 2000 c. 1500 d. 500
Last Answer : a. 2500
Description : The message in pub/sub is an opaque blob of ________ a) Bits b) Bytes c) Word d) Nibble
Last Answer : Bytes
Description : The word length of a computer is measured in a. Bytes b. Millimeters c. Meters d. Bits
Last Answer : d. Bits
Description : The network layer is considered as the _______? A. Backbone B. packets C. Bytes D. bits
Last Answer : A. Backbone
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
Description : A boy leaves home in the morning to go to school. At the moment he leaves the house he looks at the clock in the mirror. The clock has no number indication and for this reason the boy makes a mistake in ... is two and a half hours later than the time that the boy saw on the clock at home. -Riddles
Last Answer : The difference between the real time and the time of the mirror image is two hours and ten minutes (two and a half hours, minus the twenty minutes of cycling). Therefore, the original time on ... at five minutes past seven plus twenty minutes of cycling, which is twenty-five minutes past seven!...
Description : What are the final values of Q1 and Q0 after 4 clock cycles, if initial values are 00 in the sequential circuit shown below: (A) 11 (B) 10 (C) 01 (D) 00
Last Answer : (D) 00
Description : The CPU of a system having 1 MIPS execution rate needs 4 machine cycles on an average for executing an instruction. The fifty percent of the cycles use memory bus. A memory read/write employs one machine cycle. For ... (A) 500 Kbytes/sec (B) 2.2 Mbytes/sec (C) 125 Kbytes/sec (D) 250 Kbytes/sec
Last Answer : (D) 250 Kbytes/sec
Description : Name the quantities which are measured by the following units. (i) Newton (ii) Joule (iii) Watt (iv) Volt (v) Light year (vi) Angstrom (vii) Acre-foot (viii) Becquerel (ix) Hertz (x) Cusec
Last Answer : Answers: (i) Force (ii) Work Energy (iii) Power of electricity (iv) Potential difference (v) Distance of stars and planets (vi) Length (vii) Volume (viii) Radioactivity (ix) Frequency (x) Rate of flow of water
Description : A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is A) Memory B) Buffer C) Accumulator D) Address
Description : What is the control unit's function in the CPU 1) To transfer data to primary storage . 2) TO store program instructions. 3) To perform logic functions. 4) To decode program instructions.
Last Answer : 2) choose Insert, Header and Footer, click Slide tab, select the desired options, click Apply to All
Description : The units of frequency factor in Arrhenius equation (A) Are the same as those of the rate constant (B) Depend on the order of the reaction (C) Depend on temperature, pressure etc. of the reaction (D) Are cycles per unit time
Last Answer : (A) Are the same as those of the rate constant
Description : Storage capacity of magnetic disk depends on A) tracks per inch of surface B) bits per inch of tracks C) disk pack in disk surface D) All of above
Description : Circular division of disks to store and retrieve data are known as A) tracks B) sectors C) cycles D) rings
Last Answer : Answer : A
Description : Select the answer that lists the units of bytes in ascending order (from smallest to largest) A. gigabyte, megabyte, terabyte B. megabyte, terabyte, kilobyte C. gigabyte, terabyte, megabyte D. kilobyte, gigabyte, terabyte
Last Answer : A. gigabyte, megabyte, terabyte
Description : Why my Xbox 360 is not detecting external hard drive as storage device?
Last Answer : It could be that the hard drive portis damaged. The best and most cost alternative would be to connect an external USB drive instead. That could be anything from an external hard or flash drive.
Description : A normal CD-ROM usually can store up to data? A) 680 KB B) 680 Bytes C) 680 MB D) 680 GB
Last Answer : Answer : C
Description : Can you tell what passes into and out from the computer via its ports? A) Data B) Bytes C) Graphics D) Pictures
Description : The ascending order of a data hierarchy is: a) Bit - Bytes - Field - Record - File - Database b) Bit - Bytes - Record - Field - File - Database c) Bytes - Bit - Record - Field - File - Database d) None of The Above
Last Answer : a) Bit - Bytes - Field - Record - File - Database