Which of these is a documented hoax virus?

A. McDonalds screensaver
B. Alien.worm
C. Merry Xmas
D. Adolph
✅ The correct answer is option A.
A virus hoax is usually an email that gets mailed in chain letter fashion describing some devastating highly unlikely type of virus, you can usually spot a hoax because there’s no file attachment, no reference to a third party who can validate the claim and the general ‘tone’ of the message.

On what date was the debut of the first IBM Personal Computer?

A. August 12, 1981
B. January 21 1979
C. August 21, 1980
D. January 12, 1982
✅ The correct answer is option A.
Before IBM created its personal computer, two types of computer systems, Apple II and CP-M, dominated the microcomputer world. Neither of these systems were PC compatible, or Mac-compatible (the two primary standards in place today). The original IBM PC became a new standard in the microcomputer industry. Since then, hundreds of millions of PC-compatible systems have been sold, as the original PC grew into a large family of computers and peripherals. More software has been written for this computer family than for any other system on the market.

Which of the following is NOT a type of expansion slot or bus design used in Advanced-Technology class systems?

A. PCMCIA
B. ISA
C. PROM
D. EISA
✅ The correct answer is option C.
PROM stands for Programmable Read Only Memory and is not a type of expansion slot or bus design. Today, PCI has become the most used expansion slot design in PCs. Older PCs incorporated both PCI and ISA slots for computability with older expansion devices.