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ولكم جزيل الشكر .....................................أرجو الر د سريعا
1. The parts of a computer include
a. CPU
b. memory
c. input / output
d. all of the above.
2. What does a microcomputer use to interface with other systems ?
a. parallel interface
b. analog to digital converter
c. digital to analog converter
d. all of the above
3. Which control line do peripherals use to get the computers attention ?
a. power line
b. read / write line
c. interrupt line
d. clock line
4. What is a data bus ?
a. a set of wires which carry bits to or from the processor and memory or peripherals
b. a large yellow vehicle for carrying datas
c. a bus carrying addresses
d. a set of wires for control signals
5. What are computers used for in instrumentation systems ?
a. signal processing
b. sensor , actuator , and display linearization
c. display formatting
d. filtering
e. all of the above
6. According to the Nyquist sampling theorem a signal must be sampled at
a. the highest frequency in the signal
b. at least twice the highest frequency in the signal
c. less than half the lowest frequency in the signal
d. more than half the lowest frequency in signal
7. What advantages does digital signal processing have over analog signal processing ?
a. digital is more precise
b. digital doesn`t drift with time and temperature
c. the same digital hardware can be used in many filters d. all of the above
8. what advantages does analog signal processing have over digital signal processing ?
a. analog is always less expensive
b. the same analog hardware can be used for many filters
c. analog is sometimes less expensive
d. high frequency signal can only be filtered with analog filters
9. What type of memory is used to permanently store programs?
a. RAM
b. ROM
c. MAP
d. RPM
10. What type of memory is used to temporarily store data and variables ?
a. RAM
b. ROM
c. MAP
d. RPM
11. What distinguishes a computer from a fancy calculator ?
a. add , subtract , multiply , and divide
b. stored program
c. the calculators can read paper tape
d. digital circuits
12. What part of the computer does the arithmetic and logic functions ?
a. peripherals
b. memory
c. CPU
d. address bus
13. Which computer register is the main work register ?
a. program counter
b. stack pointer
c. condition code register
d. accumulator
14. A short initialization program is called what kind of program ?
a. subroutine
b. boot program
c. main program
d. branch
15. Which register keeps track of program steps ?
a. program counter
b. stack pointer
c. condition code register
d. accumulator
16. A programmer uses what type of statements in an assembly language program ?
a. op codes
b. mnemonics
c. machine code
17. Most microcomputers use how many bits to address memory ?
a. 1
b. 16
c. 4
d. 6
18. Most automotive microcomputers use how many bits in arithmetic ?
a. 1
b. 6
c. 4
d. 8
19. Which of the following is a short program which ends with an RTS instruction ?
a. main program
b. interrupt
c. boot
d. subroutione
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