MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 228 Mcqs, each offering curated multiple-choice questions to sharpen your 3rd Class knowledge and support exam preparation. Choose a topic below to get started.
| 201. |
What is the name of the device invented by John Napier? |
| A. | Napier's Bones |
| B. | Napier's Stones |
| C. | Napier's Rows |
| D. | Napier's Beads |
| Answer» B. Napier's Stones | |
| 202. |
The first computer programmer was __________. |
| A. | Charles Babbage |
| B. | Lady Ada Lovelace |
| C. | Bill Gates |
| D. | Seymour Papert |
| Answer» C. Bill Gates | |
| 203. |
A computer cannot takes its own decisions, and it works only on man's orders, which means __________. |
| A. | It has no IQ |
| B. | It has no memory |
| C. | It is not accurate |
| D. | It is versatile |
| Answer» B. It has no memory | |
| 204. |
The first calculating machine which had wheels and gears was __________. |
| A. | Pascaline |
| B. | Calculator |
| C. | Punch card |
| D. | Difference engine |
| Answer» B. Calculator | |
| 205. |
The image of a computing device is given below. Answer the questions that follow: Match the parts labelled as ,, and given in Column-1 with their names given in Column-2. Column -1 Column -2 (a) (1) Monitor (b) (2) CPU (c) (3) Keyboard (d) (4) Mouse |
| A. | (a) - (1), (b) - (2), (c) - (3), (d) - (4) |
| B. | (a) - (2), (b) - (3), (c) - (4), (d) - (1) |
| C. | (a) - (3), (b) - (4), (c) - (1), (d) - (2) |
| D. | (a) - (4), (b) - (3), (c) - (2), (d) - (1) |
| Answer» C. (a) - (3), (b) - (4), (c) - (1), (d) - (2) | |
| 206. |
Which of the following statements hold(s) true about the given type of computing machine? Statement 1: It has a touch screen on which we can write using a special purpose pen. Statement 2: It is designed and developed to be kept on the desk. |
| A. | Only Statement 1 |
| B. | Only Statement 2 |
| C. | Both Statement 1 and Statement 2 |
| D. | Neither Statement 1 nor Statement 2 |
| Answer» B. Only Statement 2 | |
| 207. |
Computers help scientists in _________. |
| A. | Launching rockets |
| B. | Scientific research |
| C. | Surfing in cyber cafes |
| D. | Both [A] and [B] |
| Answer» E. | |
| 208. |
Computers are used for entertainment. Select the CORRECT statement(s) as to how computers are used at home. (1) Chat with family members residing abroad. (2) Listen to music and watch movies. (3) Book cinema tickets, rail tickets, air tickets, etc. |
| A. | (1) and (2) Only |
| B. | (2) and (3) Only |
| C. | (1) and (3) Only |
| D. | All of these |
| Answer» E. | |
| 209. |
Which of the following statements is/are INCORRECT? (1) In factories or labs, robots can be used for doing dangerous tasks. (2) Most of the big companies keeps manual records for employees, their salaries, etc. (3) Invoices are prepared by computers. |
| A. | Only (2) |
| B. | Both (1) and (3) |
| C. | Both (2) and (3) |
| D. | All of these |
| Answer» B. Both (1) and (3) | |
| 210. |
Computers are used in Engineering. Which of the following statements is/are CORRECT? (1) It is not used for designing buildings. (2) It can only be used for communication. (3) It saves time in the process of engineering drawing. |
| A. | Only (1) |
| B. | Only (3) |
| C. | Both (1) and (2) |
| D. | Both (2) and (3) |
| Answer» C. Both (1) and (2) | |
| 211. |
E-mails, chatting and internet telephony services of internet provides __________. |
| A. | Easy and fast communication. |
| B. | Easy calculation methods |
| C. | Climate information |
| D. | All of these |
| Answer» B. Easy calculation methods | |
| 212. |
The image of a computing device is given below. Answer the questions that follow: The main disadvantage of having a desktop computer is _______. |
| A. | You cannot see your work and your file |
| B. | You cannot control the cursor with mouse |
| C. | There is no such part in desktop computer that directs the manner and sequence in which all of the above operations are performed |
| D. | It is not portable and can be noisy |
| Answer» E. | |
| 213. |
Given image shows use of computers in defense. For which of the following reasons, computers are used in defense? |
| A. | Controlling unmanned vehicles |
| B. | Controlling the position of missiles to get to the target |
| C. | Keeping records of equipments |
| D. | All of these |
| Answer» E. | |
| 214. |
Match the following columns. Column-1 Column-2 (a) Stores information (1) Click (b) The output seen on the paper (2) Scanner (c) To press the left mouse button once and release (3) Hard Copy (d) The device which provides power to a computer if there is a power failure (4) DVD (e) It scans images and printed text and converts it into digital image (5) UPS |
| A. | (a) - (4), (b) - (3), (c) - (1), (d) - (2), (e) - (5) |
| B. | (a) - (4), (b) - (2), (c) - (3), (d) - (5), (e) - (1) |
| C. | (a) - (4), (b) - (3), (c) - (1), (d) - (5), (e) - (2) |
| D. | (a) - (3), (b) - (5), (c) - (1), (d) - (4), (e) - (2) |
| Answer» D. (a) - (3), (b) - (5), (c) - (1), (d) - (4), (e) - (2) | |
| 215. |
You can listen to music, play games, and draw a picture using a computer. It means computers are also used for _________ purpose. |
| A. | Entertainment |
| B. | Research |
| C. | Security |
| D. | Office |
| Answer» B. Research | |
| 216. |
The image of a computing device is given below. Answer the questions that follow: The part marked as contains the processing unit, which comprises of __________. |
| A. | Memory Unit |
| B. | Control Unit |
| C. | Arithmetic Logic Unit |
| D. | All of these. |
| Answer» E. | |
| 217. |
Identify which of the following characteristics belong to a human being and which belong to a computer? (1) Needs more time to do any work. (2) Does not have any feelings. (3) Needs rest after working for some time. (4) Never gets tired and can work for long hours. |
| A. | Computer - (1), (2) Human Being - (3), (4) |
| B. | Computer - (3), (4) Human Being - (1), (2) |
| C. | Computer - (2), (4) Human Being - (1), (3) |
| D. | Computer - (1), (3) Human Being - (2), (3) |
| Answer» D. Computer - (1), (3) Human Being - (2), (3) | |
| 218. |
These devices connect computer components so that they may communicate with each other. You often have more than one in a system. |
| A. | Cables |
| B. | Diskettes |
| C. | Headphones |
| D. | Keys |
| Answer» B. Diskettes | |
| 219. |
Match the following columns. Column-1 Column-2 (a) MU (1) Performs all arithmetic calculations and logical operations. (b) CU (2) Stores information - temporarily or permanently as per our need. (c) ALU (3) Brain of the computer and controls all parts of the computer system. (d) CPU (4) Works like a traffic policeman and manages all operations. |
| A. | (a) - (4), (b) - (2), (c) - (3), (d) - (1) |
| B. | (a) - (4), (b) - (3), (c) - (2), (d) - (1) |
| C. | (a) - (2), (b) - (4), (c) - (1), (d) - (3) |
| D. | (a) - (3), (b) - (1), (c) - (4), (d) - (2) |
| Answer» D. (a) - (3), (b) - (1), (c) - (4), (d) - (2) | |
| 220. |
Computers are used for performing complex scientific calculations, for designing and making CAD/CAM applications. It is also used for visualizing 3-D objects. The given information shows that computers are used in _________. |
| A. | Schools |
| B. | Railways |
| C. | Publishing |
| D. | Science and Engineering |
| Answer» E. | |
| 221. |
_______ was a proposed mechanical computer designed by Charles Babbage. |
| A. | Punch card |
| B. | Analytical engine |
| C. | Pasco |
| D. | Difference Pascal |
| Answer» C. Pasco | |
| 222. |
Constantly looking at the monitor can put strain on your eyes and it may also causes blurred vision, slow in focusing, double vision, headache etc. So you should maintain at a distance of ______ inches from monitor. |
| A. | 15-20 |
| B. | 20-25 |
| C. | 25-30 |
| D. | 35-50 |
| E. | None of these |
| Answer» C. 25-30 | |
| 223. |
Match the following: S.No. A S.No. B 1. Eyes should be i. When keying 2. Keep wrists straight ii. Should be under the desk 3. Legs iii. Away 20 inches |
| A. | 1\[\to \]i, 2\[\to \]ii, 3\[\to \]ii |
| B. | 1\[\to \]iii, 2\[\to \]ii, 3\[\to \]i |
| C. | l\[\to \]ii, 2\[\to \]i, 3\[\to \]iii |
| D. | 1\[\to \]ii, 2\[\to \]iii, 3\[\to \]i |
| E. | None of these |
| Answer» C. l\[\to \]ii, 2\[\to \]i, 3\[\to \]iii | |
| 224. |
Select the correct statement:1. Relax when sitting into your chair, making sure you have your bottom against the set back your shoulder blades are touching the back rest of the chair.2. Never sit at the computer for more than 40 minutes.3. Arms should be flat and your elbows level with the desk or table you are using. |
| A. | 1 and 2 are correct |
| B. | 2 and 3 are correct |
| C. | Only 3 is correct |
| D. | All are correct |
| E. | None of these |
| Answer» E. None of these | |
| 225. |
We are living in an era of technology. Now a days, the human being is becoming more and more dependent on machine. Despite that it has few disadvantages and also harmful to human being. Which one of the following is/are major problem:1. Lack of physical activity2. Causes poor blood circulation3. Can result in overeating and obesity4. Poor posture causes body-ache |
| A. | 1 and 2 are correct |
| B. | 2 and 3 are correct |
| C. | 3 and 4 are correct |
| D. | All are correct |
| E. | None of these |
| Answer» E. None of these | |
| 226. |
Given below is the information about computer and correct posture. Identify the correct statement.1. Centre the screen directly in front of you, above your keyboard.2. Adjust .the seat height so your feet are flat on the floor.3. After every hour of work, you should close your eyes for at least 10 minutes.4. Sit at least 20 inches (or an arm length) away from the computer screen. |
| A. | 1 & 2 are correct |
| B. | 3 & 4 are correct |
| C. | 1, 3, & 4 are correct |
| D. | All are correct |
| E. | None of these |
| Answer» E. None of these | |
| 227. |
Waugh does not know anything about the computer ethics. He asks Hamilton about computer ethics. Hamilton has given him a list of computer ethics. Read the list given below and identify which is/are correct?1. Do not use computers to steal other's information.2. Do not access files without the permission of the owner.3. You can copy copyrighted software without the author's permission.4. Always respect copyright laws and policies. |
| A. | 2 and 3 |
| B. | 1, 2 and 4 |
| C. | 1 and 3 |
| D. | 1, 2, 3 and 4 |
| E. | None of these |
| Answer» C. 1 and 3 | |
| 228. |
Peter explaining Sunila. What is the right posture of sitting while using computer. Which of the following explanations about right posture are correct?1. You should sit up straight in front of computer.2. Try to keep arm at right angle at most times while using keyboard and mouse in the front of computer.3. You may use your phone kept on shoulder while you sit on the chair. |
| A. | 1 & 2 are correct |
| B. | 2 & 3 are correct |
| C. | 1 & 3 are correct |
| D. | All are correct |
| E. | None of these |
| Answer» B. 2 & 3 are correct | |