221. Which statement is valid about computer program?
A. High level languages must be converted into machine language to execute
B. High level language programs are more efficient and faster to execute
C. It is more difficult to identify errors in high level language program than in low level programs
D. All of above
222. By programmable machine we mean_____________?
A. computers
B. modern television
C. washing machines
D. anything that can be set to perform different tasks with suitable programs
223. Which of the following is a secondary memory device?
A. Keyboard
B. Disk
C. ALU
D. All of the above
224. One of the popular mass storage device is CD ROM. What does CD ROM stand for?
A. Compactable Read Only Memory
B. Compact Data Read Only Memory
C. Compactable Disk Read Only Memory
D. Compact Disk Read Only Memory
225. Identify the true statement about computer.
A. Computers are 100% accurate but it can suffer from GIGO (Garbage In Garbage Out)
B. Computers are reliable because they use electronic component which have very low failure rate
C. Computer is never tired and does not suffer from boredom
D. All of above
226. The programs which are as permanent as hardware and stored in ROM is known as___________?
A. Hardware
B. Software
C. Firmware
D. ROM ware
227. Which of the following memories must be refreshed many times per second?
A. Static RAM
B. Dynamic RAM
C. EPROM
D. ROM
228. What do you call the translator which takes assembly language program as input & produce machine language code as output?
A. Compiler
B. Interpreter
C. Debugger
D. Assembler
229. Serial access memories are useful in applications where:
A. Data consists of numbers
B. Short access time is required
C. Each stored word is processed differently
D. Data naturally needs to flow in and out in serial form
230. In_______________mode, the communication channel is used in both directions at the same time?
A. Full-duplex
B. Simplex
C. Half-duplex
D. None of the above
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