Displaying 171 to 180 of 192 Questions. You are on Page No. 18 of total 20 pages
Question: The Central Processing Unit is an embeded chip that acts as the 'brains' of a computer. What Intel chip was used in the Altair (the first real personal computer)?
Incorrect Answer
Correct Answer The Intel 8080 was a jazzed-up calculator chip. It was included in microcomputer kits which were little more than demonstration tools and did little except blink lights. Besides the 8080 chip, the Altair included a power supply, a front panel with a large number of lights and 256 bytes (not kilobytes) of memory. The kit sold for {$395} and had to be assembled.
Question: The invention of the transistor, or semiconductor, was one of the most important developments leading to the personal computer revolution. What company invented the transistor in 1947?
Incorrect Answer
Correct Answer The transistor, which essentially is a solid-state electronic switch, replaced the much less suitable vacuum tube. Because the transistor consumed significantly less power, a computer system built with transistors was much smaller, faster and more efficient than a computer system built with vacuum tubes.
Question: This virus activated every Friday the 13th, affects both .EXE and .COM files and deletes any programs run on that day. What is the name of that virus?
Incorrect Answer
Correct Answer This was one of the most common viruses unleashed in 1988.
Question: A program that neither replicates or copies itself, but does damage or compromises the security of the computer. Which 'Computer Virus' it is?
Incorrect Answer
Correct Answer Typically it relies on someone emailing it to you, it does not email itself, it may arrive in the form of a joke program or software of some sort.
Question: Which of these is a documented hoax virus?
Incorrect Answer
Correct Answer 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.
Question: In 1983, which person was the first to offer a definition of the term 'computer virus'?
Incorrect Answer
Correct Answer 1983 Fred Cohen, while working on his dissertation, formally defines a computer virus as 'a computer program that can affect other computer programs by modifying them in such a way as to include a (possibly evolved)copy of itself.'
Correct Answer Reduced Instruction Set Computer - a type of microprocessor that relies on simple instructions which can be used to build more complicated ones.