All Computer Awareness questions - answers set -1
1. Correct Answer: A [Zebibyte]
2. Correct Answer: A [Digital Subscriber Line Access Multiplexer ]
3. Correct Answer: C [both analog and digital computer ]
Notes:
Hybrid computers are those computers which exhibit features of both the analog computers and digital computers.
Hybrid computers are those computers which exhibit features of both the analog computers and digital computers.
4. Correct Answer: D [Video game Consoles ]
Notes:
The term 128 bit era refers to the sixth generation in the history of the video games and video game consoles. This started in 1998 by Japanese Sega Dreamcast (DC). Other companies that joined the bandwagon of 128 bit era include Sony PlayStation 2 (PS2), Nintendo GameCube (GC), and Microsoft Xbox. The seventh generation of video game consoles started on November 22, 2005 with the launch of the Xbox 360. The current Eighth generation of video game consoles started in 2012.
5. Correct Answer: B [Mobile Phones ]
6. Correct Answer: B [Blogger]
7. Correct Answer: D [MeeGo]
8. Correct Answer: B [Processing Element]
Notes:
The processing element carries out the arithmetic and logical operations while the control unit changes the order of questions in response to stored information.
The processing element carries out the arithmetic and logical operations while the control unit changes the order of questions in response to stored information.
9. Correct Answer: B [Colossus]
Notes:
Colossus was the world’s first electronic digital programmable computer which used a large number of valves.
Colossus was the world’s first electronic digital programmable computer which used a large number of valves.
10. Correct Answer: D [All of the above]
Notes:
Logic Operations involve Boolean logic: AND, OR, XOR and NOT. These are used for creating complicated conditional statements and processing boolean logic.
Logic Operations involve Boolean logic: AND, OR, XOR and NOT. These are used for creating complicated conditional statements and processing boolean logic.
11. Correct Answer: D [All of the above]
Notes:
A laptop is similar to any desktop but is portable with all the hardware and other peripherals built into a single unit. They have a clamshell design.
A laptop is similar to any desktop but is portable with all the hardware and other peripherals built into a single unit. They have a clamshell design.
12. Correct Answer: C [DTR computer]
Notes:
A Desktop Replacement computer is also known as desk notes i.e. a combination of desktop and notebook.
A Desktop Replacement computer is also known as desk notes i.e. a combination of desktop and notebook.
13. Correct Answer: A [Control Unit]
Notes:
Control unit is known as the brain of the computer. The control unit (CU) is a component of a computer’s central processing unit (CPU) that directs the operation of the processor.
Control unit is known as the brain of the computer. The control unit (CU) is a component of a computer’s central processing unit (CPU) that directs the operation of the processor.
14. Correct Answer: C [read error]
Notes:
This error appears with such a message “A disk read error occurred. This message refers to the problem on your hard drive or issues during the process of the reading disk with the operating system.
This error appears with such a message “A disk read error occurred. This message refers to the problem on your hard drive or issues during the process of the reading disk with the operating system.
15. Correct Answer: D [Graphical User Interface]
Notes:
GUI stands for a graphical user interface. Graphical user interface basically provides a set of graphical elements on the screen to the users. Commonly used for point-and-draw devices.
GUI stands for a graphical user interface. Graphical user interface basically provides a set of graphical elements on the screen to the users. Commonly used for point-and-draw devices.
16. Correct Answer: A [It is a two-dimensional positioning device.]
Notes:
Trackball is two-dimensional positioning device. the trackball is an upside-down mouse that rotates in place within a socket. The trackball is usually located in front of the keyboard toward the user.
Trackball is two-dimensional positioning device. the trackball is an upside-down mouse that rotates in place within a socket. The trackball is usually located in front of the keyboard toward the user.
17. Correct Answer: C [Virtual memory]
Notes:
Virtual memory is that uses hardware and software to allow a computer to compensate for physical memory shortages by temporarily transferring data from random access memory (RAM) to disk storage.
Virtual memory is that uses hardware and software to allow a computer to compensate for physical memory shortages by temporarily transferring data from random access memory (RAM) to disk storage.
18. Correct Answer: B [Electrostatic Discharge]
Notes:
ESD stands for Electrostatic discharge. It is the sudden flow of electricity between two electrically charged objects caused by contact or an electrical short.
ESD stands for Electrostatic discharge. It is the sudden flow of electricity between two electrically charged objects caused by contact or an electrical short.
19. Correct Answer: A [Bit]
Notes:
The bit is a basic unit of information. The words bit and binary digit are used interchangeably. The binary digit can have only one of two values. It may be physically represented with a two-state device.
The bit is a basic unit of information. The words bit and binary digit are used interchangeably. The binary digit can have only one of two values. It may be physically represented with a two-state device.
20. Correct Answer: D [Hard disk]
Notes:
A hard disk drive is an electromechanical data storage device that uses magnetic storage to store and retrieve digital information. HDDs are the dominant secondary storage device for general-purpose computers.
A hard disk drive is an electromechanical data storage device that uses magnetic storage to store and retrieve digital information. HDDs are the dominant secondary storage device for general-purpose computers.