Questions and answers for exam Preparation

MCQs

Total Questions : 215 | Page 18 of 22 pages

Question 171. . Which of the following describes the action of storing a bit of data in a mask ROM?

A 1 is stored in a bipolar cell by opening the base connection to the address line.
A 0 is stored in a bipolar cell by shorting the base connection to the address line.
A 1 is stored by connecting the gate of a MOS cell to the address line.
A 0 is stored by connecting the gate of a MOS cell to the address line.

Discuss Question

Answer: Option C. -> A 1 is stored by connecting the gate of a MOS cell to the address line.

Question 172. . The checkerboard pattern test is used to test ________.

Discuss Question

Answer: Option D. -> RAM

Question 173. . Address decoding for dynamic memory chip control may also be used for:

Discuss Question

Answer: Option C. -> chip selection and address location

Question 174. . The main advantage of semiconductor RAM is its ability to:

Discuss Question

Answer: Option B. -> be written to and read from rapidly

Question 175. . Information that is stored in an EEPROM ________.

Discuss Question

Answer: Option D. -> can be erased by applying high voltage to each storage location

Question 176. . The difference between RAM and ROM is that ________.

RAM has a read/write signal and ROM doesn't
RAM will lose data when the power is removed and ROM won't
RAM has random address access and ROM uses sequential address access
RAM has a read/write signal and ROM doesn't; RAM will lose data when the power is removed and ROM won't.

Discuss Question

Answer: Option D. -> RAM has a read/write signal and ROM doesn't; RAM will lose data when the power is removed and ROM won't.

Question 177. . The TMS44100 has ________ address inputs.

Discuss Question

Answer: Option B. -> 11

Question 178. . The basic purpose of tristate or open-collector outputs on a memory is to ________.