Description : A storage device whe3re the access time is depended upon the location of the data is a. Random access b. Serial access c. Sequential access d. Transaction access
Last Answer : b. Serial access
Description : A storage device or medium where the access time is dependent upon the location of the data is called ________ A. Parallel access B. Serial access C. Both (A) and (B) D. None of the above
Last Answer : B. Serial access
Description : Memories in which any location can be reached in a fixed amount of time after specifying its address is called ________ A. Sequential Access Memory B. Random Access Memory C. Quick Access Memory D. Mass storage
Last Answer : B. Random Access Memory
Description : The two basic types of record-access methods are a. Sequential and random b. Sequential and indexed c. Direct and immediate d. On-line and real time
Last Answer : Sequential and random
Description : ________ is the ability of a device to ‘jump’ directly to the requested data A. Sequential access B. Random access C. Quick access D. None of the Above
Last Answer : B. Random access
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
Last Answer : It provides only sequential access to stored data
Description : The two kinds of main memory are: a. Primary and secondary b. Random and sequential c. ROM and RAM d. All of above
Last Answer : ROM and RAM
Description : Magnetic disk a medium known as 1) Serial access 2) Direct access 3) Sequential access 4) Sequential and rotational access
Last Answer : 2) Direct access
Description : The physical location of arecord isdetermined bya mathematical formula that transforms a file key into a record location in A. a tree file B. an indexed file C. a hashedfile D. a sequential file E. None of the above
Last Answer : a hashedfile
Description : Magnetic disks are the most popular medium for a. Direct access b. Sequential access c. Both of above d. None of above
Last Answer : Both of above
Description : The two basic types of record access methods are: A) Sequential and random B) Sequential and indexed C) Direct and immediate D) Online and real time
Last Answer : Answer : A
Last Answer : a. Sequential and random
Description : Separate Read/Write heads are required in which of these memory access schemes. 1) Random Access 2) Sequential Access 3) Direct Access 4) None of these
Last Answer : 4) None of these
Description : Separate Read/Write heads are required in which of these memory access schemes. 1 Random Access 2 Sequential Access 3 Direct Access 4 None of these
Last Answer : 4 None of these
Description : In the ………………… mode any record in the file can be accessed at random A) Sequential access B) Random access C) Standard access D) Source access
Last Answer : B) Random access
Description : Direct access of file is also known as (1) random access (2) relative access (3) file access (4) sequential access
Last Answer : random access
Description : Offline device is a. A device which is not connected to CPU b. A device which is connected to CPU c. A direct access storage device d. An I/O device
Last Answer : A device which is not connected to CPU
Description : Storage device where time to retrieve stored information is independent of address where it is stored is called _______ A. Random Access Memory B. Secondary Memory C. System D. None of the above
Last Answer : A. Random Access Memory
Description : Hard Disks and Diskettes are: a) Direct Access Storage Devices b) Sequential Access Storage Devices c) Rarely used Microcomputers d) None of The Above
Last Answer : a) Direct Access Storage Devices
Description : Which sublayer of the data link layer performs data link functions that depend upon the type of medium? a. logical link control sublayer b. media access control sublayer c. network interface control sublayer d. error control sublayer
Last Answer : b. media access control sublayer
Description : Which sublayer of the data link layer performs data link functions that depend upon the type of medium? A. logical link control sublayer B. media access control sublayer C. network interface control sublayer D. error control sublayer
Last Answer : B. media access control sublayer
Description : Where do the electrical charges reside in a charged conductor? (1) at the core (2) throughout the body (3) depended upon the nature of the body (4) outer surface of the body
Last Answer : (4) outer surface of the body Explanation: In all conductors, charges reside on the surface. The reason for this is that conductors have free electrons, that is, the electrons are loosely ... field just, outside the conductor is perpendicular to the surface and that the field inside is zero.
Last Answer : outer surface of the body
Description : What is the difference between random access and serial access?
Last Answer : I always thought that a tape drive was an example of serial data. It is possible to position a tape drive and overwrite a specific part of a file on it without altering the rest of the file.
Description : ________is a multiple-access method in which the available bandwidthof a link is shared in time, frequency, or through code, between different stations. A) Random access B) Controlledaccess C) Channelization D) none of the above
Last Answer : Channelization
Description : An error in computer data is called a. Chip b. Bug c. CPU d. Storage device
Last Answer : Bug
Description : When you save tothis, your data will remain intacteven when the computer is turned off– (A) RAM (B) Motherboard (C) Secondary storage device (D) Primary storage device (E) None of these
Last Answer : Secondary storage device
Description : Which of the following is a way to access secondary memory? a. Random access memory b. Action method c. Transfer method d. Density method
Last Answer : Random access memory
Description : In _______ methods,a stationcannot send unless it hasbeen authorized byother stations. A) random access B) controlledaccess C) channelization D) none of the above
Last Answer : controlledaccess
Description : In _______ methods, the stations consult one another tofind which station has the right to send. A) random access B) controlledaccess C) channelization D) none of the above
Description : In ___________ methods, no station is superior to another station and none is assigned the controlover another. A) random access B) controlledaccess C) channelization D) none of the above
Description : Batch processing is also known as 1) serial 2) sequential 3) off line processing 4) all of above
Last Answer : 4) all of above
Description : Batch processing is also known as 1 serial 2 sequential 3 off line processing 4 all of above
Last Answer : 4 all of above
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
Last Answer : Answer : B
Description : The Method of file organisation in which data records in a file are arranged in a specified order according to a key field is known as the1 Direct access method 2) Queuing method 3) Predetermined method 4) Sequential method
Last Answer : 4) Sequential method
Last Answer : b. It provides only sequential access to stored data
Description : This first step inthe transaction processing cycle captures businessdata throughvarious modes suchas optical scanning orat an electronic commerce website– (A) Document and report generation (B) Database maintenance (C) Transaction processing startup (D) Data Entry
Last Answer : Data Entry
Description : A name or number used to identify a storage location devices? a. A byte b. A record c. An address d. All of above
Last Answer : An address
Description : Storage that retains its data after the power is tuned off is referred to as 1) volatile storage 2) non-volatile storage 3) sequential storage 4) direct storage 5) None of these
Last Answer : Answer :2
Description : What is the minimum number of wires needed to send data over a serial communication link layer? a. 1 b. 2 c. 4 d. 6 e. none of above
Last Answer : 2
Description : Which data communication method is used to transmit the data over a serial communication link? a. simplex b. half-duplex c. full-duplex d. b and c e. None of above
Last Answer : full-duplex
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 : 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 : An application suitable for sequential processing is a. Processing of grades b. Payroll processing c. Both a and b d. All of above
Last Answer : Both a and b
Description : Which of the following file organization is most efficient for a file with a high degree of file activity? a. Sequential b. ISAM c. VSAM d. B-Tree Index
Last Answer : Sequential
Description : The two kinds of main memory are: A) Primary and secondary B) Random and sequential C) ROM and RAM D) All of above
Last Answer : Answer : C
Description : What is the difference between a sequential file and a random file?
Last Answer : Ans: Sequential file access is the method employed in tape drives where the files are access in a sequential manner. So if you have to get a file in the end of the tape you have to start ... Disks and Optical drives, wherever the files is placed it will go to that particular place and retrieve it.
Last Answer : c. ROM and RAM