Description : Which of the following is true? a. Fields are composed of bytes b. Records are composed of fields c. Fields are composed of characters d. All of above
Last Answer : All of above
Last Answer : d. All of above
Description : The ascending order or a data Hierarchy is a. bit - bytes - fields - record - file - database b. bit - bytes - record - field - file - database c. bytes - bit- field - record - file - database d. bytes -bit - record - field - file - database
Last Answer : a. bit - bytes - fields - record - file - database
Description : What composite field (composed of E and H fields) is propagated into free space?
Last Answer : Radiation field.
Description : What composite field (composed of E and H fields) is found stored in the antenna?
Last Answer : Induction field.
Description : Which two composite fields (composed of E and H fields) are associated with every antenna?
Last Answer : Induction field and radiation field.
Description : The relational model is based on the concept that data is organized and stored in two-dimensional tables called ………………………A) Fields B) Records C) Relations D) Keys
Last Answer : C) Relations
Description : Biosystematics aims at (a) the classification of organisms based on broad morphological characters (b) delimiting various taxa of organisms and establishing their relationships (c) the ... (d) identification and arrangement of organisms on the basis of their cytological characteristics.
Last Answer : (b) delimiting various taxa of organisms and establishing their relationships
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 : 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
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 : 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 : The word length of a computer is measured in A) Bytes B) Millimeters C) Meters D) Bits
Last Answer : Answer : D
Description : Can you tell what passes into and out from the computer via its ports? A) Data B) Bytes C) Graphics D) Pictures
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 : The term gigabyte refers to A) 1024 bytes B) 1024 kilobytes C) 1024 megabytes D) 1024 gigabyte
Description : The memory unit is made up of _____ bytes. a) 256 b) 124 c) 4096 d) 3096
Last Answer : Answer: c Explanation: The memory unit is made up of 4,096 bytes. Memory unit is responsible for the storage of data. It is an important entity in the computer system
Description : Kilobyte equals to how many bytes? A. 1000 B. 1064 C. 1024 D. None of the above
Last Answer : C. 1024
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
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 : 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
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
Description : In computer language, one kilobyte equals 1) 1000 bytes 2) 1024 bytes 3) 100 bytes 4) 8 bytes
Last Answer : 2) 1024 bytes
Description : One Gigabyte is Approximately equal is 1) 1000,000 bytes 2) 1000,000,000 bytes 3) 1000,000,000,000 bytes 4) None of these
Last Answer : 2) 1000,000,000 bytes
Description : One kilobyte is equal to 1) 1000 bytes 2) 1024 bytes 3) 100 bytes 4) 1023 bytes
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 : 1024 bytes equals: 1) 1 KB 2) 2 MB 3) 1 GB 4) 1TB
Last Answer : 1) 1 KB
Description : State the number of bytes occupied by char and int data types.
Last Answer : Ans. char occupies two bytes and int occupied 4 bytes.
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 : 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 : 1024 bytes equals: 1 1 KB 2 2 MB 3 1 GB 4 1TB
Last Answer : 1 1 KB
Description : What is the commonly used unit for measuring the speed of data transmission? A) Bytes per second B) BaudC) Bits per second D) Both B and C
Last Answer : B) Baud
Description : Speed of processor chip is measured in (1) Mbps (2) MHz (2) Bits/second (4) Bytes/second
Last Answer : MHz
Description : A Floppy Disc can store _____ data. (1) 1.44 bytes (2) 1.44 MB (3) 1.44 KB (4) 1.44 GB
Last Answer : 1.44 MB
Description : 1024 bytes equals : (1) 1 TB (2) 1 GB (3) 1 MB (4) 1 KB
Last Answer : 1 KB
Description : Which of the following is not true for a magnetic disk? A) It is expensive relative to magnetic tape B) It provides only sequential access to stored data C) Users can easily update records by writing over the old data D) All of above
Description : An example of the sub - fields of cryptography is: a) Steganography b) Traffic Analysis c) Both of Above d) None of These
Last Answer : c) Both of Above
Description : Cryptography is an interdisciplinary subject, drawing from several fields. Before the time of computers, it was closely related to linguistic. Nowadays the emphasis has shifted, and cryptography makes extensive use ... as _______mathematics: a) Increte b) Discrete c) Both of Above d) None of These
Last Answer : b) Discrete
Description : Optic fibres are used in place of wire cables because (1) they generate strong magnetic fields (2) they do not generate magnetic fields (3) they do not require boosting (4) they are more economical
Last Answer : they do not generate magnetic fields
Description : Which of the following printing devices an output composed of a series of data? A) Wire matrix printer B) Band printer C) Wang image printer D) Both a and c
Description : ____________ is a type of non-volatile memory composed of a thin layer of material that can be easily magnetized in only one direction. A. Bubble memory B. RAM C. SRAM D. None of the Above
Last Answer : A. Bubble memory
Description : A database is typically composed of one or more: a) Columns b) Files c) Rows d) Tables e) None of These
Last Answer : d) Tables
Description : Which one among the following is incorrect about 'class': a) A class is simply a representation of the type of object. b) It is blueprint or plan or template that describes the details of an object. ... of three things - a name, attributes and operations d) All of the above e) None of These
Last Answer : e) None of These
Description : ROM is composed of 1) Magnetic cores 2) Micro-processors 3) Photoelectric cells 4) Floppy disks
Last Answer : 2) Micro-processors
Description : The number of records contained within a block of data on magnetic tape is defined by the A) Block definition B) Record contain clause C) Blocking factor D) Record per block
Description : A characteristic of card systems is: A) Slowness in processing data B) Using cards as records of transactions C) Needing a larger DP staff D) All of the above
Description : Before a disk drive can access any sector record, a computer program has to provide the record’s disk address. What information does this address specify? A) Track number B) Sector number C) Surface number D) All of above
Description : Which of the following works is/are done by Credit Information Companies? A. Collecting records of an individual s payments pertaining to loans B. Maintaining records of an individual s payments pertaining to ... cards C. Creating Credit Information Reports D. All of the Above E. None of the Above
Last Answer : D. All of the Above Explanation: Credit Information Companies collects and maintains records of an individual‗s payments pertaining to loans and credit cards. These records are submitted to Credit ... scores which are provided to lenders in order to help evaluate and approve loan applications.