A half byte is known as ________
data
bit
half byte
nibble
Correct answer is D
A nibble is a 4 bit aggression, or half an octet. It has 16 possible values, and can be represented by a single hexadecimal digit which are called hex digit
Which of the memories must be refreshed many times per second?
EPROM
ROM
Static RAM
Dynamic RAM
Correct answer is D
Dynamic RAM memory must be refreshed many times a second because without it being refreshed often, it will lose the data contents it holds
Which of the following is not a type of computer network?
VPN
CAN
WLAN
DAN
Correct answer is D
Dan is not a type of computer network
Which type of network can span several building, but is usually less than 30 square miles big?
CAN
LAN
MAN
WAN
Correct answer is C
CAN usually provides network for places which are less than 30 square miles
Which type of network is usually contained inside one office building?
CAN
LAN
MAN
WAN
Correct answer is B
A local area network is the most suitable network for an office building because, it gives network to computer at a single site