Introduction to computer engineering homework

Q2) How may times a sound should be sampled to achieve CD-quality audio? Q3) Its unit is a bit per second and it refers to the speed of the medium. Answer: Q4) This is a type of medium that produces electrical or electromagnetic signals. Its called ..... medium. Fill in the blank ... Q5) Unicode allows charactets to be up to bits wide. Fill in the blank... Q6) The proportion of signal compared to noise. Its formula is given below. Which term should be placed to the missing part of the formula? (Marked with ?) SNR=10lognoise? 1) Radio frequency or infrared lights signals. 2) The behavior of signals gets stronger over time 3) It consist of a pair of insulated wires twisted together. A) Guided media 4) A physical media such as fiber optic or copper wire. B) Unguided media 5) The behavior of signals that get weaker over distance. C) Attenuation 6) It has two main wires, one is in the middle while the D) Coaxial cable other surrounds the centered copper wire and insulation material is placed between them. 7) Radia frequency or infrared lights signals. 8) The behavior of signa's gets stronger over time. 9) It consists of a pair of insulated wires twisted together. Q8) match the following: 1) Its contents can be fetched randomly, and it is storage whose content is vanished when the computer shuts off. 2) It is a type of chip that is needed for starting up the machine. A) ROM 3) A type of ROM that can be programmed. B) BIOS 4) it is a kind of EEPROM. C) PROM 5) A type of storage whose content is reserved only for D) EPROM numerical data. E) EEPROM 6)A type of ROM that can be electrically erased and programmed. F) Flash ROM 7) It is a type of storage whose content cannot be G) RAM modified. 8) A type of ROM that can be erased and programmed. 9)it is a type of storage that can be used only for loT. 10) A type of stroge that stands for Random Only Memory Q9) Match the correct expansions for the abbreviations below 1) Cristal Digital Read- only Memory 2) Cathode Ray Tube A) CRT 3) Crystal Radio Transmitting B) LCD 4) Liquid Compact Display C) LED 5) Light Emitting Diode D) CD- ROM 6) Compact Dise Read- only memory E) DVD 7) Data Video Device 8) Low Erasable Disk 9) Digital Video Disc 10) Liquid Crystal Display Q10) Which of following is correct? More than one answer can be correct. A) The longer the distance the stronger the signal. B) The longer the distance the weaker the signal. C) A signal become weaker over distance. D A signal become stronger over distance. Q11) Which of the following does describe the meaning of clusters? A) Clusters are volatile parts of the ROM. B) Clusters are established with the platters. C) Clusters consist of grouped sectors. D) Clusters represent a hard drive. Q12) When cluters of the files are scattered in different locations on the storage medium instead of being in contiguous called fragmentation. Fill in the blank .... Q13) The ratio of the number of incorrectly received bits to the total number of bits in a specified time period. It is named Bit Eror. (BER) Fill in the blank Q14) If you want to create 16 milion colors, how many bits should be placed in a pixel? Answer. Q15) A semiconductor consist of an emitter, a collector and a Fill in the blank .... Q16) By the computer boot routine to check hardware devices is done by a procedure which is called.... Note that: Write only the acronym! Fill in the blank... Q17) Which number should be placed in the place marked with questions mark(?) Answer: \begin{tabular}{l} 0011010 \\ 001100 \\ \hline 000?110 \end{tabular} Q18) What is the Purpose of an Operating System? The functions of an OS include (There can be more than one correct answer. A) Device controlling B) Process management C) Loading and execution D) Memory management E) Printing controlling F) Booting G) User interface H) Disk management Q19) A semiconductor consists of an emitter, a collector and a (in picture marked as ?) Fill in the blanks .... Q20) The equivalency of the number 523 based on 8 is given as 339 based on the decimal number in the figure. Which number should come in the power part of 8 shown in square brackets and marked as A. Answer: Q21) The addreis of the pecple can be used as a Primary Key. The names of the peopis can be used as the Primary ary in ths esangie. Wachtiololowre Q23) Match the following: 1) Disk 2) Spindle 3) Read/Write head 4) Actuator Axis 5) Rotating gear 6) Platter 7) Actuator 8) Actuator circle 9) Actuator Avm