What keystrokes are used to lock a Windows computer?

A) F1
B) Ctrl+Alt+Esc
C) Ctrl+Alt+Del
D) Alt+F8
E) Shift+Ctrl+F8

C

Computer Science & Information Technology

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Floating-point literals are of type ________ by default.

a. float b. double c. real d. decimal

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Select the term below that describes a virtual wallet that can be used for mobile or online payments.

a. symmetric encryption b. e-wallet c. digital wallet d. merchant account

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Explain why serial ports offered a poor option for networking.

What will be an ideal response?

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In older CRT monitors, the speed at which the electron beam moved across the screen was known as the _______________.

A. horizontal refresh rate (HRR) B. horizontal refresh rate C. HRR

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Computer Science & Information Technology