Test Preparation on QUESTION BANK ON SBI P O Computer Aptitude for PO Mains
1.
What is the meaning of Display Setting?
Explanation: Normally, display settings are defined when you install an OS on your computer. But you can change some of the settings like resolution color or contrast. However, basic settings are based on the hardware features that you have purchased from your vendor.
2.
The computer works on the principle of GIGO. What is the difference between garbage and trash?
Explanation: In the parlance of computer operations, GIGO means Garbage In Garbage Out. If you feed garbage which is trash, you get garbage which is trash, yet again. Thus, the computer does not know what the difference between the two terms really is. A user has to differentiate between these two inputs and he will not get any support from the computer. The machine will execute programs loaded on it to finally deliver output. That output may be trash or garbage for users.
3.
Which one of the following is a logical operation?
Explanation: When we have to compare two quantities, we use the logical part of the ALU in our computer. All others are arithmetic operations.
4.
Which one of the following is not part of shut-down operations of a computer system?
Explanation: The computer screen must fade out after the system has been shut down fully. Do not forget to close all programs before shutting down, lest you should lose vital data that you probably needed.
5.
A palmtop computer is
Explanation: These computers are very small in size. We use these cute machines by keeping them on our palms. These also do not require electricity to work. These work on battery supply. The battery can be charged with the help of electricity supply (AC Mains).
6.
Asimo is a robot developed by Japan. It can climb stairs. Can you visualize a work area for such a machine, given that you too have legs which are much more efficient than those of Asimo?
Explanation: Asimo can work in the environment dominated by nuclear radiation and hazardous chemicals. It would not be affected by radiation because it does not have human tissue. An ordinary man would get cancer after exposure to nuclear radiation.
7.
The computer could not defeated by man in Chess. Which other game the computer can play to remain unbeaten?
Explanation: All those games that involve precise calculations cannot be used to defeat computers. All those games that involve movement, physical power and skill in daring combinations can be used to defeat computers. A computer may not be able to play hockey because you have more dexterity in that game than the computer. But you may not be able to play a game of cards or chess to win it over.
8.
The computer is a perfect fool. Why is this statement true
Explanation: A computer is a perfect fool because it accepts any input, processes it and delivers an output as per the codes of software package loaded on it. It does not know that type of input it is. It should be a digital input for it to process. But times have changed and fault-tolerant machines as well self-rectification devices are already in vogue. AI is also a step in the direction of making computers wise and choosy, insofar input receipt is concerned.
9.
In banking operations, computers are playing major roles. How do you visualize the role of a probationary officer in the banking world?
Explanation: Option (d) is correct.
10.
Which one of the following is an obsolete device?
Explanation: CD-ROMs have fallen into disuse. Software loading on computers is still being done with CD-ROMs but they would be outdated soon
11.
Which one of the following is an output device?
Explanation: Mouse can also be called an input cum pointing device but Laser Jet Printer is a better option
12.
Which one of the following is not a feature of modern computers?
Explanation: FIFO stands for First In First Out. Computers follow the GIGO system. Then, process data according to the alphabetic or reverse alphabetic order. We have to define this order in our code of instructions and software packages.
13.
Which one of the following is not a comparable feature of man with computer?
Explanation: Computers are very fast machines and the human brain cannot match these speeds
14.
AI and robotics were initially developed by
Explanation: These three nations were pioneers in AI. But of late, Korea, Taiwan, China and India have also shown deep interest in AI and robot-based manufacturing.
15.
Babbage designed the following
Explanation: He designed Difference Engine in 1822. He built it to calculate mathematical tables. Babbage also designed Analytical Engine in 1833. The Analytical Engine had almost all the parts that a modern computer has. Its design was very much similar to that of the modern computer.
16.
Who was the first lady computer programmer?
Explanation: Option (c) is correct.
17.
Android 4.4.2 is an OS that would probably be used in a
Explanation: Option (b) is correct
18.
Which one of the following is a logical operation?
Explanation: 123 is not equal to 124 and this fact can be given to computer by typing 123<> 124. All other operations are arithmetic operations.
19.
The single click operation of the mouse is used
Explanation: If we want to play multimedia files, we would be required to select the particular file or icon thereof and then double-click with the left button of the mouse to start execution of that file.
20.
Which operator is used for logical operations in digital devices?
Explanation: There are seven logical operations that are handled through electronic gates. They are AND, OR, NOR, NOT, EXOR, EXNOR and NAND.
21.
Which operator is not used for logical operations in digital devices?
Explanation: Option (d) is the invalid logical operator. Read the explanation of Question No. 20.
22.
How many Windows system drives should your computer have?
Explanation: If your all partitions have Windows OS, you will waste precious space that could have been used to store data and other files. If one partition fails, you can boot the computer from the other partition.
23.
The drum scanner is a/an
Explanation: A drum scanner is an input device
24.
The contents of EPROM
Explanation: EPROM stands for Erasable Programmable Read Only Memory.
25.
The contents of ROM
Explanation: Option (c) is correct.
26.
Which one of the following is not a software package?
Explanation: Data Wind makes cellular phones and other electronic gadgets.
27.
Find the odd man out.
Explanation: All others are operating systems
28.
Find the odd man out.
Explanation: The printer can print characters with a concentration of 600 dots per inch and 1200 dots per inch
29.
Who developed the first ever transistor?
Explanation: This duo had developed the first transistor
30.
A package like Adobe Flash 10.0 is an example of
Explanation: Option (d) is correct.
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