A computer has 8GB of memory installed, and the BIOS shows 8GB installed . However When the operating system is booted, only 4GB are usable. Which of the following BEST describes this issue?

• A 32-bit operating system is install.

• The CPU has a hardware fault.

• The operating system is improperly configured.

• Virtual memory is not configured properly.

Which of the following internal computer technologies can be used to reduce the noise a computer generates?

• CPU fans

• Case fans

• Power supply

• Liquid cooling

A software developers needs to acquire a computer that will run a platform -independent application requiring a minimum of 16GB of RAM. Which of the following types of OS architecture should the system host to allow the application to install and run?

• 8 bit

• 16 bit

• 32 bit

• 64 bit

Ann, a user,notice that her PS/2 keyboard is unplugged after terming on her PC. The keyboard does not work after she plug it in. Which of the following Should ann do FIRST?

• Press CTRL+ALT+Delete

• Turn off stick keys

• Reboot the PC

• Check the keyboard connection

A user wishes to do a screen capture of only the active window. Which of the following key combination is recommended?

• Alt+pmt scm

• Shift+Pmt scm

• Cntr+pmt scm

• Ctrl+shift+pmt scm

While browsing the Internet, as user sees constant pop-ups. Which of the following is the BEST way to prevent these pop-ups?

• Use an email spam filter

• Change the default search engine

• Install anti-malware software

• Change the browser homepage

Which of the following file transfer protocols offers the HIGHEST level of security while transferring file over the Internet?

• FTP

• HTTP

• SMTP

• FTPS

Give of the following requirements:

• Must contain a capital letter
• Must have a number
• Must not use dictionary words
• Must contain symbols
• Must have eight characters

Which of the following password BEST fits the criteria?

• P@$$woRD123

• PassWord!23

• pa$swoRb823

• Pas$w0rd!23

A customer is purchasing a new laptop that needs to work with large drafting files, host teleconferences with video,and draw on the touch screen. Which of the following devices should the customer purchase with the new laptop ?

• External hard drive

• Scanner

• Track ball

• Printer

To increase security, Which of the following is the BEST feature to disable on a mobile device when not in use?

• Accelerometer

• Screen lock

• IMEI

• NFC