Quizzes & Puzzles1 min ago
Fao Of Spathyphylum.....
24 Answers
simple IT quiz, you have 15mins and you can use google if you like. An IT operative that I would hire should know them within 2 minutes.
1) Why is hexadecimal used in computing?
2) what is a slack nibble?
3) What is a high level language?
4) what is virtual memory?
5) what does the acronym B.A.S.I.C. stand for?
6) what is the smallest and largest number (express in decimal) that can be stored in a signed half word ?
7) what word does the EBCDIC code D7D3D6D5E2C5D9 represent?
8) what does A.S.C.I.I. stand for?
9) what is floating point?
10) What is the meaning of the portmanteau “FORTRAN”>
1) Why is hexadecimal used in computing?
2) what is a slack nibble?
3) What is a high level language?
4) what is virtual memory?
5) what does the acronym B.A.S.I.C. stand for?
6) what is the smallest and largest number (express in decimal) that can be stored in a signed half word ?
7) what word does the EBCDIC code D7D3D6D5E2C5D9 represent?
8) what does A.S.C.I.I. stand for?
9) what is floating point?
10) What is the meaning of the portmanteau “FORTRAN”>
Answers
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In the early days of computing (I was there), hex was used as a compact way of printing out binary fields. The 24-bit "word" most common in those days could be expressed in 6 characters, each character representing the value of 4 bits (binary digits). The maximum number in 4 bits is 15, so a different base from 10 was required, so hex was used giving
0 1 2 3 4 5 6 7 8 9 A B C D E F
0 1 2 3 4 5 6 7 8 9 A B C D E F
canary is correct, Hex is used as shorthand for binary, thus 8 bit bytes have 2 hex digits. on some machines we had 9 bit bytes, 8 bits data and 1 bit parity thus octal was used as short hand so each byte was represented by 3 octal digits but once parity was absorbed into the hardware we went to Hex as described by canary.
what ?
we are meant to tell you
when you know the answers ?
as free tee might say - - foo dat! yeah !!
1) to do with 256 bits which is FF in HD
3) heavily interpreted - far away from machine code
Basic All symbolic insstruction code
ASCII is like Basic but different words
Flop is a way of storing a number and - floating point operation per sec is more valid measure of speed
Formula translation
do I get the job ?
I have no intention of using the internet to find out things you already know
we are meant to tell you
when you know the answers ?
as free tee might say - - foo dat! yeah !!
1) to do with 256 bits which is FF in HD
3) heavily interpreted - far away from machine code
Basic All symbolic insstruction code
ASCII is like Basic but different words
Flop is a way of storing a number and - floating point operation per sec is more valid measure of speed
Formula translation
do I get the job ?
I have no intention of using the internet to find out things you already know
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