Computer Fundamental Miscellaneous - Study Mode

[#646] The terminal device that functions as a cash register, computer terminal, and OCR reader is the:
Correct Answer

(D) POS terminal

Explanation

Solution: A point of sale terminal (POS terminal) is an electronic device used to process card payments at retail locations. A POS terminal generally does the following: 1. Reads the information off a customer’s credit or debit card 2. Checks whether the funds in a customer’s bank account are sufficient 3. Transfers the funds from the customer’s account to the seller’s account (or at least, accounts for the transfer with the credit card network) 4. Records the transaction and prints a receipt Source : techopedia.com

[#647] The general range of speed in revolutions per minute (rpm) at which floppy disks rotate is
Correct Answer

(C) 150-250

Explanation

Solution: The general range of speed in revolutions per minute of rotation of a floppy disk is 150 - 250. Revolutions per minute are the number of turns taken in every one minute.

[#648] Which of the following typically uses a keyboard for input?
Correct Answer

desktop terminal

Explanation

Solution: A computer keyboard is an input device used to enter characters and functions into the computer system by pressing buttons, or keys. It is the primary device used to enter text. A keyboard typically contains keys for individual letters, numbers and special characters, as well as keys for specific functions.

[#649] The first microprocessor built by the Intel Corpn. was called
Correct Answer

(C) 4004

Explanation

Solution: Intel 4004. The Intel 4004 is a 4-bit central processing unit (CPU) released by Intel Corporation in 1971. It was the first commercially available microprocessor by Intel, and the first in a long line of Intel CPUs.

[#650] The microelectronics is the technology of
Correct Answer

(C) chips

Explanation

Solution: Microelectronics is a sub-division of the field of electronics that deals with very small and microscopic elements to manufacture electronic components. Microelectronics has been rapidly evolving as the most in-demand field of electronics because of the ever-increasing demand for inexpensive and lightweight equipment.