Computer Fundamentals

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Q.1 A byte has how many bits?
8 bits are in a byte
Q.2 1KB is composed of how many bytes?
1024 bytes are present in 1MB
Q.3 1 GB consists of how many megabytes?
1024 bytes are present in 1MB
Q.4 What will we configure so that some files are not shown in the Windows explorer?
We can enable the hidden attribute of those file and the files will not be shown in the Windows explorer
Q.5 What is the use of USB device?
USB device can be attached to computer without any configuration as it automatically configured like USB mouse or keyboard.
Q.6 Are there any input devices other than keyboard or mouse?
Yes, digital pen, touch screen and many other devices can be used for input.
Q.7 What type of device is a scanner?
Scanner is an input device as it sends image of documents to scan, to the computer.
Q.8 When should a laser printer be used in the office?
If the number of print outs needed in the office are high or at least 20 + in a month, then laser printer is suggested.
Q.9 What is the benefit of laser printer?
A laser printer prints with high speed, at higher resolution and is low cost as compared to inkjet printer if printing black and white prints.
Q.10 What is the benefit of inkjet printer?
An inkjet printer is allow cost solution to print color print outs for home, small office or small requirement.
Q.11 When should an inkjet printer be used in the office?
An inkjet printer should be used in the office if color prints are needed though in small number (may be 10 to 15 prints in a month).
Q.12 List a most used storage device
A pen drive or USB drive is the most used storage device
Q.13 Does RAM stores data after the computer is switched off?
No, RAM does not store data after the computer is switched off.
Q.14 Which storage device stores data after the computer is switched off?
Hard disk can store data after the computer is switched off.
Q.15 Does a USB mouse needs device driver to be installed for using it?
No, USB mouse does not needs device driver as it automatically detected and drivers are installed for usage.
Q.16 Which technology is used to connect computers wirelessly to a network?
Wi-Fi is the technology used to connect computers wirelessly to a network.
Q.17 Which Microsoft utility improves the access speed of data on the computer by storing data alongside to other on hard disk instead of on various parts of a hard disk?
Disk Defragmenter is a Microsoft utility improves the access speed of data on the computer.
Q.18 Where does the start button is located on the Windows desktop?
The start button is located on bottom left-most end, of the Windows desktop
Q.19 What is the shortcut key in Windows to copy a file?
We need to select the file to copy and press the control key and 'c' key both at once, to copy the selected file.
Q.20 How do you move a file in Windows?
In Windows to move a file, we first select the file and press control and 'x' keys both at once and then press control and 'v' key where the file was to be moved to.
Q.21 How can we access a folder in Windows on a network?
We can access a folder in Windows on a network by enabling the sharing options of the folder.
Q.22 Which section shows date and time on the Windows desktop?
Notification Area on the Windows desktop shows the date and time.
Q.23 What is ASCII?
ASCII stands for American Standard Code for Information Interchange and is used for storing data on computer.
Q.24 List the keyboard keys to create a new blank document in MS-Word?
The keyboard keys are control and 'n', both at once.
Q.25 The keyboard keys to open a file in MS-Excel, is?
The keyboard keys are control and 'o', both at once.
Q.26 Name a free web based email
Gmail is a free and popular web based email.
Q.27 What produces soft copy output?
Monitor produces soft copy output
Q.28 What produces hard copy output?
Printer produces hard copy output
Q.29 Which storage unit stores more data - MB or GB?
GB stores more data as 1 GB equals 1024 MB.
Q.30 How will you protect data on hard disk?
We should take regular backup, which will protect data on hard disk and will be accessible if the hard disk crashes.
Q.31 What could be the reason for printouts being light on from the black and white laser printer?
The toner has depleted and new one needs to be placed before other prints.
Q.32 What to do if the icons on the desktop are too big in size?
The video device driver is absent or corrupt due to which correct video resolution has not been selected. Install correct video device driver and select the correct resolution for addressing the issue.
Q.33 What to do if the computer is not connected to local network?
Check the network cable or the wireless connection for any loose or interruption. Network device driver should be checked.
Q.34 What do you understand by buffer?
A buffer is a temporary storage to store data items and is used during dat transfer between devices like computer and pen drive.
Q.35 Which unit is used to describe the screen resolution?
Pixel is the unit for screen resolution.
Q.36 What is meant by booting of the system?
Booting of the system means that the computer has just been started and it is loading the operating system like Windows along with other programs.
Q.37 What is BIOS?
BIOS stores hardware setting of the computer and is used by the operating system.
Q.38 What is FAT?
FAT is a file system from Microsoft used in Windows operating system.
Q.39 Which file system is used in Windows 10?
Windows 10 uses NTFS as its file system.
Q.40 Which character indicates division in Excel?
The character '/' is used for division in Excel
Q.41 List the smallest storage unit in a computer?
Bit is the smallest storage unit in a computer.
Q.42 How many GB are there in a TB?
1024 GB are present in one TB.
Q.43 Which default file extension is used for a compressed file in Windows?
ZIP is the default file extension used for a compressed file in Windows.
Q.44 What is the default file extension for Notepad files?
TXT is the default file extension for Notepad files.
Q.45 List the file extension being used by MS-Paint files
BMP is the default file extension for MS-Paint files.
Q.46 Which shortcut key will close the active window on Microsoft Windows?
The keys 'Alt' and 'F4' pressed both at once, will close the active window on Microsoft Windows.
Q.47 What is the benefit of graphic files with jpg extension as compared to bmp?
The jpg extension file takes lesser space as compared to bmp graphic files for same image.
Q.48 Which formatting can be applied to text in Notepad?
Notepad only supports font based formatting for a text which includes font type, size and style.
Q.49 Can we open multiple Notepad windows?
Yes, we can open multiple Notepad windows.
Q.50 Can we open same file in multiple Notepad windows at once?
Yes, we can open same file in multiple Notepad windows at once.
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