The Associate CET Study Guide: 2024 AST Practice EXAM 2: Appendix A Rated A+

The Associate CET Study Guide: 2024 AST Practice EXAM 2: Appendix A Rated A+ A track on a computer removable disk is: A. One record B. Divided into sectors C. Created as data written D. One continuous path B. Divided into sectors In PC type computers, extended memory is: A. Memory above the basic 640 K B. Memory above the basic 1 Megabyte C. Added to basic RAM in 1mb blocks D. Adjusted by the start up files B. Memory above the basic 1 Megabyte Which video system has the highest resolution? A. EGA B. VGA C. SVGA D. XVGA D. XVGA You would want to use a dual trace oscilloscope to measure: A. Signal differences between two points B. Suspected resistance problems in one circuit C. One faulty circuit in voltage level while another is faulty in a current level D. One fault is video and the other is audio A. Signal differences between two points Common Intermediate Frequencies (IF's) for AM and FM commercial broadcast receivers are: A. 455 kHZ and 1.2 GHz B. 288 kHZ and 455 kHz C. 455 kHz and 10.7 MHz D. 288 kHz and 10.7 MHz C. 455 kHz and 10.7 MHz Analog signal compression: A. Uses D/A converters B. Reduces the high frequency received signal amplitude C. Changes AM to FM D. Primarily reduce background noise levels B. Reduces the high frequency received signal amplitude Coaxial cable line losses at RF frequencies are due to: A. Wire resistance, capacitive and inductive reactance B. Wire resistance, dielectric fading and transconductance C. Capacitive and inductive reactance and braid leakage D. Magnetic effects of near by materials