CS 1104 Review Quiz 39 Questions With Correct Answers
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Course
NU1426
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NU1426
CS 1104 Review Quiz |39 Questions| With Correct Answers.
In the Hack machine language, the ability to use a command like @label before the label was actually declared in the program is thanks to the _______________________.
Select one:
a. fact that the order of HDL statements is insignificant...
CS 1104 Review Quiz |39 Questions| With
Correct Answers.
1). In the hack machine language, the ability to use a command like @label before the label
was actually declared in the program is thanks to the _______________________.
select one:
a. fact that the order of hdl statements is insignificant
b. two-pass assembly process
c. subsequent vm translation process
d. multi-purpose use of the a register
e. fact that the program counter feeds directly from the a register
Ans: two-pass assembly process
2). True or false? in hack assembly the meaning of the symbols are their ram and rom
addresses.
Ans: True
3). True or false? the basic idea of the stored program concept is that the logic of the programs
is embedded in the hardware.
Ans: False
4). If a demultiplexor selector bit is set to 1, and both outputs (a and b) are 0, then the input
must have been _____.
Ans: 0
5). If a demultiplexor selector bit is set to 0, and both outputs (a and b) are 0, then the input
must have been _____.
Ans: 0
6). Any symbol xxx appearing in an assembly program that is not predefined and is not defined
elsewhere using the (xxx) command is treated as a _________.
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, Ans: variable
7). True or false? people who use chip a as an internal part in other chip definitions should not
be interested in the body of chip a's definition.
Ans: True
8). What is the binary pattern that represents 7 (decimal) in a 16-bit binary system?
Ans: 0000000000000111
9). Every boolean function can be constructed from a/an _________ gate:
a. and
b. or
c. nand
d. not
Ans: NAND
10). During the second pass of the assembly process, if a symbol is not found in the symbol
table, then it clearly represents a new ___________.
Ans: variable
11). Which part of the cpu is in charge of decoding the instructions before they can be executed,
and deciding which instruction to fetch and execute next?
Ans: Control Unit
12). True or false? the clock in a sequential logic circuit keeps track of hours, minutes, and
seconds in the local timezone.
Ans: False
13). True or false? the clock in a sequential logic circuit controls whether a gate such as a data
flip-flop can load a bit from its input to its output.
Ans: True
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