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Question 1 Which of the following portable computer systems is used by Zypad, which is a touch screen computer with GPS, Wi-Fi, and the Bluetooth connectiity and can run a number of custom applicatonss A. Subnotebook B. Wearable C. Tablet PC D. PDA Aoswern B Explanatonn Zypad uses wearable computer systems, which is a touch screen computer with GPS, Wi-Fi, and the Bluetooth connectiity and can run a number of custom applicatons. Wearable computers are computers that are worn on the body. It is a special type of a technology that is used in the behaiioral modeling, health monitoring systems, informaton technologies, and media deielopment. Wearable computers are useful for applicatons that require computatonal support while the user's hands, ioice, eyes, arms, or atenton are actiely engaged with the physical eniironment. The features of a wearable computer are giien belown 1. It proiides consistency; there is a constant interacton between the computer and user, i.e., there is no need to turn the deiice on or of. 2. It proiides mult-task and it is not necessary to stop what you are doing to use the deiice; it is augmented into all other actons. Lessonn Computer Hardware, Peripherals and Troubleshootng Objectien Computer and its peripherals Question 2 Which of the following are features of wearable computerss Each correct answer represents a complete soluton. Choose two. A. Single-tasking B. Consistency C. Mult-tasking D. Inconsistency Aoswern BC Explanatonn It proiides consistency; there is a constant interacton between a computer and a user, i.e. there is no need to turn the deiice on or of. It proiides mult-tasking, and it is not necessary to stop what you are doing to use the deiice; it is augmented into all other actons.
Answer optons A and D are incorrect. Wearable computers are consistent and proiide mult-tasking, therefore, single-tasking and inconsistency are not the features of a wearable computer. Lessonn Computer Hardware, Peripherals and Troubleshootng Objectien Computer and its peripherals Question 3 Qn Which of the following are the standard input deiicess Each correct answer represents a complete soluton. Choose all that apply. A. Keyboard B. Mouse C. Display D. Ploter Aoswern AB Explanatonn Keyboard and mouse are the standard input deiices. A keyboard is a standard input deiice. It is partally modeled afer the typewriter keyboard, which uses an arrangement of butons or keys, to act as mechanical leiers or electronic switches. It has characters engraied or printed on the keys and each press of a key typically corresponds to a single writen symbol. It is used to produce some symbols that requires pressing and holding seieral keys simultaneously or in sequence. A keyboard is used to type text and numbers into a word processor, text editor, or other program. A computer keyboard distnguishes each physical key from eiery other and reports all key presses to the controlling sofware. Keyboards are also used for computer gaming, either with regular keyboards or by using keyboards with special gaming features, which can expedite frequently used keystroke combinatons. A keyboard is also used to giie commands to the operatng system of a computer, such as Windows' Control-Alt-Delete combinaton, which brings up a task window or shuts down the machine. Lessonn Computer Hardware, Peripherals and Troubleshootng Objectien Computer and its peripherals Question 4 Which of the following is a pointng deiice that consists of specialized surface that can translate the moton and positon of a user's fngers to a relatie positon on screens A. Trackpad B. Trackball C. Light pen D. Keyboard Aoswern A Explanatonn A touchpad is a pointng deiice that consists of specialized surface that can translate the moton and
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