1. Power supply converts 115 V AC or 220 V AC into_____.
2. _______ are attached to a computer to expand its capabilities
3. When a computer powers on but there is no display and no POST beep, which issue could be related to the processor:
4. Which device allows you to enter data and instructions into a computer?
5. CMOS stands for____
6. Conversion of decimal number 60 to its binary number equivalent is
7. A laptop powers on but the screen remains dark even though you can faintly see the desktop under a light. What is the most likely cause?
8. In the CPU, which of the following is responsible for doing math _____.
9. The two widely used forms of modern RAM are_____.
10. A-F system is used in which of the following number systems?
11. Memory Physical slots SODIMM stands for_____.
12. Which one based on semiconductor?
13. For converting a number in decimal number system to its binary equivalent, remainders are recorded after successive division of the number by
14. The decimal equivalent of 11100 is
15. Convert (56)10 into a binary number
16. What is the primary function of an output device?
17. Which of the following is the binary equivalent of the decimal number 35?
18. Which of the following falls under SDRAM_____.
19. HDD stands for _____.
20. Which of the following is not a benefit of laptop design?
21. DIMM stands for_____.
22. Which of the following is not a positional number system?
23. What will be the decimal equivalent for binary number 11001110?
24. Convert decimal to binary (48)10
25. Impact printers create pictures and figures by: _____.
26. A device that allows users to feed data into a computer for analysis and storage and to give commands to the computer is called _____.
27. What is the unit of power?_____.
28. Which part of the computer fetches, decodes, and executes the programming instructions? _____.
29. SSD stands for _____.
30. The main ATX motherboard power connector typically consists of ______ pins.
31. How is the size of RAM normally measured nowadays
32. What kind of peripheral devices is a hard disk drive?
33. RAM stands for_____.
34. ______are output devices.
35. Which laptop input device is a flat surface that you can slide across with your finger to control the cursor?
36. ROM stands for _____.
37. ____ is used to provide power for internal disk drives.
38. POST stands for
39. It can accept and calculate two independent sets of instructions simultaneously
40. What is the main disadvantage of an integrated system board?
41. Which of the following statements about CPU cache is true?
42. The process by which the processor slows down to conserve power is officially called as
43. If the operating system fails to load and displays a "Missing Operating System" error, what is the most likely cause?
44. Which of the following interfaces allows audio to be sent out over the same cabling infrastructure as video?
45. Which statement correctly describes the difference between Server OS and Desktop OS?
46. Which of the following represents the two main categories of computer cables?
47. Which computer component houses bays, slots, and connectors for drives, circuit boards, and I/O devices
48. What is the primary function of a modem?
49. What is the basic storage unit used in drives.
50. Which of the following is true about the clock speed?
51. All data-handling components and optional data devices are connected to the external data bus.
52. Which of the following will you require to hear music on your computer?
53. Which of these is the speed of the CPU?
54. How are SODIMMs installed on a laptop?
55. Which method can be used to reset a forgotten BIOS supervisor password?
56. It is a block of metal made to sit right on top of the CPU with metal fins and uses conduction to direct heat away from the CPU.
57. It is the electrical interface between the CPU and the motherboard and is attached directly to the motherboard and houses the CPU.
58. Most of the functions of CPU is done by?
59. Mouse is an ____________device?
60. Name any two storage device?
61. Which of the following video connectors uses a mini-DIN 4-pin or 7-pin connector for transmitting analog video signals?
62. The most common interfaces which are used in PCs today?
63. Active heat sinks incorporate which of the following into their design?
64. The process by which the processor slows down to conserve power is officially called?
65. The spine of the computer is ______________
66. What is the main function of a network switch?
67. Which component is responsible for connecting the memory controller hub (Northbridge) to the processor.
68. To implement a secure boot process, which device should be listed first in the Boot Device Priority screen?
69. What are the two main types of Laptop memories?
70. What do storage units provide?
71. What is a possible reason for having black lines show up on printouts?
72. VGA stands for:
73. What is a possible symptom of a failing CPU?
74. What is the main purpose of a storage device?
75. Which of the following is not one of the stages of computing?
76. Which printer contains a wheel that looks like a flower with raised letters and symbols on each petal?
77. What is the primary function of a Wireless Access Point (WAP)?
78. Which of the following are examples of display devices?
79. ______ controls and directs all activities in a computer system
80. POST is a series of system checks performed by the _______
81. DIMM and RIMM are the form of ____________
82. VGA based video technologies use what type of signal between the adaptor and monitor?
83. What is the function of the LASER in the LASER printer?
84. What is the maximum speed of USB 2.0 in Mbps?
85. What is the physical component where data are stored in a HDD?
86. What kind of device uses unique physical traits of the user to authenticate their access to a secure system or location?
87. Conversation of binary number 00001100 to decimal number is
88. What type of expansion slot is preferred today for high-performance graphics adapters?
89. What is the main difference between an ATX and Mini-ATX motherboard?
90. Which motherboard design style is most widely implemented?
91. Which motherboard form factor places expansion slots on a special riser card and is used in low-profile PCs?
92. Which of the following are considered integrated I/O ports?
93. Which of the following is not considered a system component that can be found inside the computer?
94. Conversation of binary number 00011110 to decimal number is
95. Which of the following is used to store documents and programs for repeated use? Information can be added and deleted as well.
96. Which of the following loses its contents when you shut down the computer?
97. Which of the following memory types has the smallest form factors
98. Conversion of a hexadecimal number 4B to binary number is
99. Accelerated Graphics Port (AGP) slots are known mostly for video card and are usually in which of the color?
100. An application or program runs in
101. CD-ROM stands for
102. Conversion of a hexadecimal number 4F to binary number is
103. Conversion of decimal number 99 to its binary number equivalent is
104. Conversion of decimal number 71 to its binary number equivalent is
105. On an Intel based motherboard, which chipset enables the CPU to interact with RAM?
106. If you are unable to display a given resolution on a monitor, which of the following might explain why?
107. Which component is responsible for processing and rendering graphics on a computer?
108. When replacing a power supply, which of the following trends to vary among power supplies and must be chosen properly to support all connected devices?
109. Which computer components contain all the circuits necessary for other components or devices to communicate with one another?
110. We can connect Mouse by using _______
111. Which device in a bubble-jet printer contains the printhead?
112. Which one of the following is not a function of firewall?
113. Barcode readers can use _________ to scan one-or two-dimensional barcodes.
114. Daisy wheel and Dot Matrix are two types of ___________
115. Motherboard form factor where the expansion slots are placed sideways on a special riser card to use the reduced vertical space optimally.
116. HDMI stands for
117. LANs connect computers and peripheral devices
118. A computer case is also known as a computer chassis.
119. A CPU consists of the Control Unit and the Arithmetic and Logic Unit (ALU).
120. ROM (Read-Only Memory) provides permanent data storage
121. Computer case minimizes electrical interference to other electronic devices in the area
122. HDDs produce more noise than SSDs because they contain moving mechanical parts
123. HDDs are more durable than SSDs
124. SSDs are generally more expensive than HDDs
125. A power supply unit converts DC(Direct Current) power to AC(Alternate Current)
126. RAM is considered non-volatile memory
127. ROM allows data to be written faster than other types of memory
128. The main components of a Hard Disk Drive (HDD) are made primarily of metal.
129. Most computer power supplies have output capacities ranging from 300 watts to 1000 watts.
130. The Operating System (OS) serves as the interface between the user and the computer hardware.
131. In the main motherboard power (ATX) the on-off power controls circuit boards is built outside the motherboard _____.
132. Which of the following is not a commonly used computer operating system?
133. ROM has temporary storage
134. ROM used for startup process of computer_____.
135. One of the key functions of an Operating System is to manage the booting process
136. Which of the following best describes encryption?
137. Which key is commonly pressed during system startup to access the BIOS/UEFI setup utility?
138. OS has a lot of functions, example: Memory Management
139. DIMM modules are primarily used in desktop computers, while laptops use SO-DIMM modules
140. Computer security encompasses multiple branches, including Information Security and Network Security.
141. Which of the following statements about thermal printers is true?
142. What is the primary purpose of a router in a network?
143. The goal of computer security is to maximize computer freezing and crashes.
144. HDD is heavier than SSD _____.
145. Implementing computer security measures helps in safeguarding and efficiently managing critical information.
146. What is the first step when troubleshooting a hardware problem?
147. Cryptographic algorithms are used to encode a message from its unencrypted or clear-text state into an encrypted message
148. Continuous system reboots are often caused by faulty drivers or incorrect system configurations.
149. When a computer frequently crashes or displays a Blue Screen of Death (BSOD), which component should be checked first for potential failure?
150. What is the primary function of a firewall?
151. What is a common symptom of a failing hard disk?
152. What does BIOS stand for?
153. Which peripheral device is used to convert physical documents into digital form?
154. What type of bus architecture is commonly used for expansion cards?
155. What is the primary function of a UPS?
156. What component is primarily responsible for storing the BIOS settings?
157. Which type of CPU allows simultaneous execution of multiple instructions?
158. What type of cache is closed to the CPU core?
159. What is the purpose of a CPU socket?
160. Hyper-threading is a technology used to:
161. What cooling method uses liquid to dissipate heat?
162. What unit measures CPU clock speed?
163. What is the hexadecimal representation of the decimal number 255?
164. Which memory type is non-volatile?
165. What does RAID stand for?
166. Which of the following statements correctly compares a laptop component to its desktop counterpart?
167. What is the first process in the boot sequence?
168. What type of removable storage is commonly used in smartphones?
169. Which file system is used by Windows?
170. What is the main purpose of a backup system?
171. Which software helps to detect and remove malware?
172. A firewall primarily works by:
173. Which process improves system performance by storing frequently used data?
174. What type of authentication uses fingerprints?
175. Which is a secure way to manage user access?
176. What type of printer uses toner to produce images?
177. What component supplies power to all parts of the computer?
178. What is the primary function of a CPU?
179. What does L2 Cache do?
180. What CPU socket type is used for AMD processors?
181. Which RAID level provides redundancy by storing identical copies of data on two drives?
182. Which storage device uses magnetic disks to store data?
183. Which backup media is commonly used for long-term archival storage?
184. Which process loads the operating system into memory during startup?
185. Which device translates physical movements into cursor movement?
186. What is the most commonly used interface for connecting external drives?
187. What device acts as an intermediary between a computer and a network?
188. Which technology is used to protect data on storage devices?
189. What is decryption?
190. What is the primary function of the motherboard?
191. Which component stores the settings for the date, time, and hardware configuration?
192. What does PCIe stand for?
193. Which bus architecture is specifically used for graphics cards?
194. What is the primary purpose of the address bus?
195. Which bus is responsible for communication between the CPU and external devices?
196. Which of the following is an open-source operating system?
197. Which of the following is a form of malware designed to replicate itself?
198. What does encryption do to data?
199. Which component is considered the brain of the computer?
200. __________ biometrics identify individuals based on unique physical traits such as fingerprints, iris patterns, or facial features, while __________ biometrics rely on behavioral traits like voice, typing rhythm, or signature.