Which of the following software can't be categorized as an application software?
DBM
MS-DOS
Spreadsheet
word processor
Correct answer is B
MS-DOS can't be classified as an application software because, it is an operating system software. And OS are classified as system software not application software
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