Understanding Computer Hardware: Keyboards, Pixels, Printers, USB Ports, and More - Prof. , Exams of Computer Science

Download Understanding Computer Hardware: Keyboards, Pixels, Printers, USB Ports, and More - Prof. and more Exams Computer Science in PDF only on Docsity! 1. What is QWERTY? a. A type of keyboard b. A computer that is no longer being made c. A computer program that does spell checking d. Quite Wonderful Electronic Representation of TYpe 2. What is a Pixel? a. A single dot on a printout b. A single unit of sound c. A single dot on a screen d. A male Pixie 3. Why do we need impact printers? a. They are the fastest type of printers b. They can be used to write duplicates to carbon copies c. They are the printers with the best quality d. They are the latest technology in printers 4. What is a Plotter? a. A very precise printer b. A computer type of computer port c. The name of the first computer d. A popular computer program for drawing graphs 5. Which is USB Port? a. b. c. d. 6. What is 11010 in base 10? a. 11010 b. 128 c. 32 d. 26 7. What is 137 in binary? a. 137 b. 10000110 c. 10001001 d. 11010010 8. Why do people use HEX? a. Some computers require it to be used b. It more closely represents the way computer think than binary c. It’s a very simple computer programming language d. It’s shorter and faster way to write binary 9. In Mbps what does the ‘b’ stand for? a. Bytes b. Bits c. By d. Binary 10. What is the difference between RAM and ROM? a. You’re an only read from RAM b. You can only write to RAM c. You can only read from ROM d. You can only write to ROM 11. What is a NIC used for? a. Reading data from a disk b. To type documents c. To fix a broken computer d. To Connect your computer to a network 12. Where should your monitor be? a. At eye level b. Below eye level c. Above eye level d. Either A or B 13. What is a warm boot? a. A shoe that you have just taken off b. Turning your computer on when it was completely off c. Restarting your computer. d. Turning just your hard drive and monitor off 14. What does Dot Pitch effect? a. The number of Dots that fit on the screen b. The number of different color that can be displayed c. How fast the screen refreshes d. Diagonal distance between pixels of the same color 15. Which is not an expansion card? a. A network interface card b. A DVD Card c. A Sound Card d. A video Card 16. Which is not a storage device? a. RAM b. Hard Drive c. DVD d. Floppy Disk 17. Which is a OS? a. Word b. Power Point c. Linux d. A server 18. DPI measures the quality of a. Sound Output b. Sound Input c. Screens Resolution d. Printer Resolution 19. Which can not be placed in a drive bay?