EECS 1522 computer science interbship very
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Internship in Computer Science (New York University)
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Practice Test Questions
Test 1:
1.The logical foundations of digital circuitry were invented by
A. Henry Ball
B. George Boole
C. Gordon Bell
D. Claude Shannon
2.Which of the following is a binary representation of (-13)10 in 6-bit 2's complement?
A. 101010
B. 110011
C. 111101
D. -10011
E. 100110
3.Which of the following quantities is inherently digital? (2 possible answers)
A. A person's heart rate
B. A person's blood pressure
C. The temperature of a cooler
D. Sound level in an auditorium
E. An object's weight in grams
4. Graphic User Interface (consisting of windows, icons, menus, etc.) was first developed by
which of the following company / organization?
A. Microsoft
B. Xerox
C. Apple
D. IBM
E. MITS
F. DEC
5. The first ever computing device (in Ancient Babylon) was called:
A. an Accelerator
B. the Von Neumann Architecture
C. an Abacus
D. a Turing Machine
6. Which of these symbols could you click to insert pie chart elements like Title and Legend?
A. 1
B. 5
C. 3
D. 2
E. 4
** Two right answers**
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7. Which one is the unsigned binary representation of (ABCD)16?
A. 1010101111010101
B. none of the numbers here are the binary representation of (ABCD)16
C. 1010101111001101
D. 1101110010111010
E. 10101111001101
8. Which of the following is the closest binary representation of (10.652)10
A. (-110.100)2
B. (-1010.101)2
C. (110.100)2
D. (2.100)2
E. (1010.101)2
F. (1010.100)2
9. This person led a team credited with developing the software for the Apollo program:
A. John Von Neumann
B. Margaret Hamilton
C. Grace Hopper
D. Al-Khwarizmi
E. Gordon Bell
10. Who led the group who designed ENIGMA in WWII?
A. Enigma
B. Grace Hopper
C. Colossus
D. Alan Turing
E. None of the above
11. Which of the following statements is true?
A. Analogue information can always be digitized losslessly
B. Computers can provide infinite precision
C. Current time is an example of digital information
D. A mercury thermometer presents digital data
E. The mercury in a thermometer provides infinite precision
12. Which one is the result of addition of these two numbers: 1234506 + 1234506
A. 111 0111 0110 11012
B. 101 0111 1110 11012;
C. 101 0011 0110 11012
D. 101 0111 0100 11012
E. 101 0111 0110 11002
13. Which statements among the following statements regarding the Von Neumann Architecture
is false?
A. Before an instruction is decoded, the instruction is fetched from memory.
B. The Memory Unit is responsible for decoding each instruction.
C. Before an instruction is executed, the instruction is decoded
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D. It is the most well known “stored-program computer”.
E. The Arithmetic/Logic unit is responsible for executing each instruction.
14. Which of the following statements is true?
A. Analogue quantities cannot be accurately presented as data on computers
B. Analogues and digital signals can be digitized before they can be measured
C. Sampling frequency is measured in seconds
D. All measurable quantities must be digitized before they can be measured
E. Quantization/truncation means obtaining samples of a signal at regular intervals
15. Which of the following is the very first known machine that used punched cards as a sort of
input mechanism?
A. ENAIC computer
B. Xerox Star
C. Jacquard Loom
D. Enigma Machine
E. Turing Machine
F. IBM System/360
16. Referring to the worksheet screenshot above, which formula is appropriate for returning
the number of members in Tier1 that joined prior to 2010
A. =COUNTIFS(Joined<2010,Status=”Tier1”)
B. =COUNTIF(AND(“Joined<2010,”Status=E2”)
C. =COUNTIFS(“Joined,”<2010”,Status,E2)
D. =COUNTIFS(“Joined<2010,Status,Tier1)
E. =COUNTIF(OR(“Joined<2010”,”Status=E2”)
17. An Excel formula containing the entry =B$4 is copied and pasted to a cell one column to
the right and two rows down. How will the entry appear in its new location?
A. neither the row number nor the column letter will change
B. The row number will remain the same but the column letter will change
C. The column letter will remain the same but the row number will change
D. Both the row number and column letter will change
E. A Circular Reference error will be raised
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