johnwalker's articles Technical Securely managing the mobile enterprise Mobile security risks exist at all stages of the mobile lifecycle. What is your organization doing to protect the entire mobile enterprise? IBM® Mobile Security provides a complete, seamless and scalable solution for your mobile devices. It provides an end-to-end approach to mobile security that protects devices, data, applications and users. View the video and […] Written by johnwalker Saving Bookmark this article Bookmarked Flip-Flops and Combinational Logic A digital circuit can consist of sequential logic and combinational logic. Sequential logic refers to circuits whose output depends on previous states. In other words, it involves memory that stores previous states and allows a decision to be made based on these previous states and the current input signals. In the digital realm, flip-flops are […] Written by johnwalker Saving Bookmark this article Bookmarked Technology Design Considerations for Digital VLSI Design procedures in VLSI SoCs are very complex. The designer should consider all possible states and inputs and design the chip in such a way that it works every time in every state and with every possible input. In this article, we discuss metastability, setup time, and hold time when designing a digital VLSI circuit. […] Written by johnwalker Saving Bookmark this article Bookmarked Organize, Track, Identify: A New RFID Tag IC from STMicro RFID is an advanced technique for attaching information to objects of all kinds, and ICs such as the ST25DV series can help you to implement this technology. Those of us who have no experience with manufacturing environments or shipping warehouses probably cannot imagine the immense effort required to “keep track of everything,” for lack of […] Written by johnwalker Saving Bookmark this article Bookmarked Technical Overview of the BLE Solar Beacon from Cypress Semiconductor Transmit humidity and temperature data with a fully functional, off-the-shelf, battery-less wireless sensor node. Bluetooth low energy (BLE) beacons have been around for a while and can be seen everywhere. Normally, they run off of a battery or a line-connected power supply like a USB port, but not always. The prospect of a solar-powered BLE […] Written by johnwalker Saving Bookmark this article Bookmarked People who sleep longer twice as likely to develop dementia The financial burden of the disease is also great. American families are believed to spend over $5,000 yearly on caring for someone with Alzheimer’s, and the national economic burden is estimated at $236 billion. A new, large-scale study suggests people with prolonged sleeping patterns may have an increased risk of developing dementia. The research was […] Written by johnwalker Saving Bookmark this article Bookmarked Blog Protecting Health Care: Key Recommendations this guide provides recommendations for devising policies and strategies and for developing and implementing practical measures to prevent violence against patients, health-care workers and facilities, and medical transport. It is for anyone concerned about or involved in ensuring that health care is delivered impartially and effectively during armed conflicts or other emergencies. As such, government […] Written by johnwalker Saving Bookmark this article Bookmarked Blog To Serve and to Protect: Guide for Police Conduct and Behaviour This pocket-sized booklet adopts a simple pictorial format and aims to raise awareness as to the duties, responsibilities and powers of police and security officials in their daily law-enforcement practices. The booklet has been designed so that it can be carried along and consulted on the spot whenever police and security officials wish to verify […] Written by johnwalker Saving Bookmark this article Bookmarked Blog Our Mission Statement Yvonne’s 100th Wish, Inc’s mission is to provide opportunities while enhancing the quality of life for children and adolescents in Haiti, by providing access to education, healthcare, potable water, and proper nourishment. Our education program ensures that quality education is provided for poor and marginalized children in Delatte, downtown Port-au-Prince, Grenier and Kenscoff. Our community […] Written by johnwalker Saving Bookmark this article Bookmarked Blog Our Mission Statement Yvonne’s 100th Wish, Inc’s mission is to provide opportunities while enhancing the quality of life for children and adolescents in Haiti, by providing access to education, healthcare, potable water, and proper nourishment. Our education program ensures that quality education is provided for poor and marginalized children in Delatte, downtown Port-au-Prince, Grenier and Kenscoff. Our community […] Written by johnwalker Saving Bookmark this article Bookmarked Blog Fruit and Vegetable Juice: How Food Affects Health Fruits and vegetables are “juicy foods” that consist mostly of water, but they also provide a variety of vitamins, minerals, phytonutrients, and a good amount of fiber that helps fill you up. Juice is another story. When whole produce is processed into juice most of the fiber is lost and you’re left with a less […] Written by johnwalker Saving Bookmark this article Bookmarked Blog Fruit and Vegetable Juice: How Food Affects Health Fruits and vegetables are “juicy foods” that consist mostly of water, but they also provide a variety of vitamins, minerals, phytonutrients, and a good amount of fiber that helps fill you up. Juice is another story. When whole produce is processed into juice most of the fiber is lost and you’re left with a less […] Written by johnwalker Saving Bookmark this article Bookmarked Loading Load more
Technical Securely managing the mobile enterprise Mobile security risks exist at all stages of the mobile lifecycle. What is your organization doing to protect the entire mobile enterprise? IBM® Mobile Security provides a complete, seamless and scalable solution for your mobile devices. It provides an end-to-end approach to mobile security that protects devices, data, applications and users. View the video and […] Written by johnwalker Saving Bookmark this article Bookmarked
Flip-Flops and Combinational Logic A digital circuit can consist of sequential logic and combinational logic. Sequential logic refers to circuits whose output depends on previous states. In other words, it involves memory that stores previous states and allows a decision to be made based on these previous states and the current input signals. In the digital realm, flip-flops are […] Written by johnwalker Saving Bookmark this article Bookmarked
Technology Design Considerations for Digital VLSI Design procedures in VLSI SoCs are very complex. The designer should consider all possible states and inputs and design the chip in such a way that it works every time in every state and with every possible input. In this article, we discuss metastability, setup time, and hold time when designing a digital VLSI circuit. […] Written by johnwalker Saving Bookmark this article Bookmarked
Organize, Track, Identify: A New RFID Tag IC from STMicro RFID is an advanced technique for attaching information to objects of all kinds, and ICs such as the ST25DV series can help you to implement this technology. Those of us who have no experience with manufacturing environments or shipping warehouses probably cannot imagine the immense effort required to “keep track of everything,” for lack of […] Written by johnwalker Saving Bookmark this article Bookmarked
Technical Overview of the BLE Solar Beacon from Cypress Semiconductor Transmit humidity and temperature data with a fully functional, off-the-shelf, battery-less wireless sensor node. Bluetooth low energy (BLE) beacons have been around for a while and can be seen everywhere. Normally, they run off of a battery or a line-connected power supply like a USB port, but not always. The prospect of a solar-powered BLE […] Written by johnwalker Saving Bookmark this article Bookmarked
People who sleep longer twice as likely to develop dementia The financial burden of the disease is also great. American families are believed to spend over $5,000 yearly on caring for someone with Alzheimer’s, and the national economic burden is estimated at $236 billion. A new, large-scale study suggests people with prolonged sleeping patterns may have an increased risk of developing dementia. The research was […] Written by johnwalker Saving Bookmark this article Bookmarked
Blog Protecting Health Care: Key Recommendations this guide provides recommendations for devising policies and strategies and for developing and implementing practical measures to prevent violence against patients, health-care workers and facilities, and medical transport. It is for anyone concerned about or involved in ensuring that health care is delivered impartially and effectively during armed conflicts or other emergencies. As such, government […] Written by johnwalker Saving Bookmark this article Bookmarked
Blog To Serve and to Protect: Guide for Police Conduct and Behaviour This pocket-sized booklet adopts a simple pictorial format and aims to raise awareness as to the duties, responsibilities and powers of police and security officials in their daily law-enforcement practices. The booklet has been designed so that it can be carried along and consulted on the spot whenever police and security officials wish to verify […] Written by johnwalker Saving Bookmark this article Bookmarked
Blog Our Mission Statement Yvonne’s 100th Wish, Inc’s mission is to provide opportunities while enhancing the quality of life for children and adolescents in Haiti, by providing access to education, healthcare, potable water, and proper nourishment. Our education program ensures that quality education is provided for poor and marginalized children in Delatte, downtown Port-au-Prince, Grenier and Kenscoff. Our community […] Written by johnwalker Saving Bookmark this article Bookmarked
Blog Our Mission Statement Yvonne’s 100th Wish, Inc’s mission is to provide opportunities while enhancing the quality of life for children and adolescents in Haiti, by providing access to education, healthcare, potable water, and proper nourishment. Our education program ensures that quality education is provided for poor and marginalized children in Delatte, downtown Port-au-Prince, Grenier and Kenscoff. Our community […] Written by johnwalker Saving Bookmark this article Bookmarked
Blog Fruit and Vegetable Juice: How Food Affects Health Fruits and vegetables are “juicy foods” that consist mostly of water, but they also provide a variety of vitamins, minerals, phytonutrients, and a good amount of fiber that helps fill you up. Juice is another story. When whole produce is processed into juice most of the fiber is lost and you’re left with a less […] Written by johnwalker Saving Bookmark this article Bookmarked
Blog Fruit and Vegetable Juice: How Food Affects Health Fruits and vegetables are “juicy foods” that consist mostly of water, but they also provide a variety of vitamins, minerals, phytonutrients, and a good amount of fiber that helps fill you up. Juice is another story. When whole produce is processed into juice most of the fiber is lost and you’re left with a less […] Written by johnwalker Saving Bookmark this article Bookmarked
