Computer Fundamental Miscellaneous - Study Mode

[#911] Which of the following programs give instructions about operations inside the computer
Correct Answer

(A) System software

Explanation

Solution: System software controls a computer's internal functioning, chiefly through an operating system, and also controls such peripherals as monitors, printers, and storage devices.

[#912] The magnetic disks and drums are like recirculating shift registers because
Correct Answer

(D) stored data is available for reading over and over again in the same order.

Explanation

Solution: The magnetic disks and drums are like recalculating shift registers because. Stored data is available for reading over and over again in the same order.

[#913] Which of the following time will normally be determined by the requirements of the device to which the transfer is being made
Correct Answer

(C) Hold

Explanation

Solution: Hold time will normally be determined by the requirements of the device to which the transfer is being made. Setup time is defined as the minimum amount of time before the clock's active edge that the data must be stable for it to be latched correctly.

[#914] One of a class of storage devices that can access storage locations in any order is
Correct Answer

(B) DASD

Explanation

Solution: A direct-access storage device (DASD) is a secondary storage device in which "each physical record has a discrete location and a unique address". IBM coined the term DASD as a shorthand describing disks, magnetic drums, and data cells.

[#915] A hand-held device which reads marks or characters on paper by detecting photo-sensitivity is known as
Correct Answer

(B) Optical-wand

Explanation

Solution: A hand-held device which reads marks or characters on paper by detecting photo-sensitivity is known as Optical-wand. A wand is a handheld optical reader that is used to read barcodes as well as typewritten, printed and OCR fonts. Wands are used to capture product information for retail and warehouse applications.