A+ Guide to Hardware (Standalone Book) (MindTap Course List)
9th Edition
ISBN: 9781305266452
Author: Jean Andrews
Publisher: Cengage Learning
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Chapter 4, Problem 18RB
A DIMM memory ad displays 5-5-5-15. What is the CAS Latency value of this DIMM?
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On our board ROM is activated by [choose all that apply]:
a) ROMWR
b) Data bus
c) IOWR
d) ROMRD
e) ROMSEL
f) IORD
On our MCS board ______is used to control the input port.
A) address decoding
B) IOWR
C) OC
D) IORD
For the circuit shown below;
1-What are the addresses for each port, what is the type of decoding and interfacing technique. .
2- What is the range of addresses for memory chip, what is the type of decoding. Is there any foldback space exists?
3- Write a program to transfer the content of the last ROM location to the 7 ?segment display ,what will be displayed
Chapter 4 Solutions
A+ Guide to Hardware (Standalone Book) (MindTap Course List)
Ch. 4 - Prob. 1TCCh. 4 - Prob. 2TCCh. 4 - Prob. 3TCCh. 4 - Prob. 4TCCh. 4 - Prob. 5TCCh. 4 - Prob. 1RBCh. 4 - Prob. 2RBCh. 4 - What is the name of the memory cache that is...Ch. 4 - What is the name of the Intel technology that...Ch. 4 - Prob. 5RB
Ch. 4 - Prob. 6RBCh. 4 - Prob. 7RBCh. 4 - Prob. 8RBCh. 4 - Prob. 9RBCh. 4 - Prob. 10RBCh. 4 - Prob. 11RBCh. 4 - Prob. 12RBCh. 4 - Prob. 13RBCh. 4 - Prob. 14RBCh. 4 - Prob. 15RBCh. 4 - Prob. 16RBCh. 4 - If 2 bits of a byte are in error when the byte is...Ch. 4 - A DIMM memory ad displays 5-5-5-15. What is the...Ch. 4 - Prob. 19RBCh. 4 - Prob. 20RBCh. 4 - Prob. 21RBCh. 4 - Prob. 22RBCh. 4 - Prob. 23RBCh. 4 - Prob. 24RBCh. 4 - Prob. 25RB
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- What is the functionality of direct memory access (DMA)?arrow_forwardQue . The code sent by the device in vectored interrupt is _____ long. i) upto 16 bits ii) upto 32 bits iii) upto 24 bits iv) 4-8 bitsarrow_forwardq .The code sent by the device in vectored interrupt is _____ long.i) upto 16 bitsii) upto 32 bitsiii) upto 24 bitsiv) 4-8 bitsarrow_forward
- Que. When the R/W bit of the status register of the DMA controller is set to 1. i) Read operation is performed ii) Write operation is performed iii) Read & Write operation is performed iv) None of the mentionedarrow_forwardWhat is the mechanism through which interrupt-driven I/O operates?arrow_forwardOne of the mysteries of the fetch/execute cycle is how often the ALU really makes it to main memory.arrow_forward
- When the ROM sends data to the microprocessor, which of these conditions are true? a. Both (RD)' and M/(IO)' signals should be low b. (WR)' signal should be low c. (RD)' signal should be low d. M/(IO)' signal should be high e. Both (WR)' and M/(IO)' signals should be low f. (RD)' signal should be active and M/(IO)' signal should be higharrow_forwardWhich type of I/O has the disadvantage that all I/O data transfers must take place through the AL or AX register?arrow_forwardThe extension bus may be used to connect external devices to the CPU if the appropriate interface cards are installed. Why?arrow_forward
- The linkage between the CPU and the users is provided by…A. Peripheral devicesB. StorageC. Control UnitD. Softwarearrow_forwarddesign a rom by using a address decoder, input buffer and or gate that stored value of 11 when output line is 0arrow_forwardWhat exactly happens during a direct memory access (DMA) procedure?arrow_forward
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