A DNS client is called____________________?

A. DNS updater
B. DNS resolver
C. DNS handler
D. None of these

A sales clerk at a checkout counter scanning a tag on an item rather than keying it into the system, is using __________________?

A. Input automation
B. Item data automation
C. Scanning automation
D. Source data automation

A device that provides emergency power to your computer, conditions the voltage, and protects against powers surges is called a __________________?

A. Psu = power supply unit
B. Usp = universal surge protector
C. Upps = universal power protection and supply
D. Ups = uninterruptible power supply

What are the speakers attached to your computer used for ?

A. Displaying images
B. Sending messages
C. Storing messages
D. Handling sound and music

Which one of the following protocol delivers/stores mail to reciever server ?

A. Simple mail transfer protocol
B. Post office protocol
C. Internet mail access protocol
D. Hypertext transfer protocol

A half byte is know is___________________?

A. Nibble
B. Half byte
C. Bit
D. Data

A disk’s content that is recorded at the time of manufacture and that cannot be changed or erased by the user is__________________?

A. Memory only
B. Write only
C. Read only
D. Run only

Spam is related to___________________?

A. Computer
B. Art
C. Music
D. Game

You can use the tab key to ____________________?

A. Move a cursor across the screen
B. Indent a paragraph
C. Move the cursor down the screen
D. Both a and b

What is the number of bit patterns provided by a 7-bit code ?

A. 256
B. 512
C. 128
D. 64