CBSE Class 7 Computer Science Personal Computer MCQs Set A

Question. A characteristic of card systems is:
A) Slowness in processing data
B) Using cards as records of transactions
C) Needing a larger DP staff
D) All of the options

Answer: D

Question. Which unit converts user data into machine readable form?
A) Input unit
B) Output unit
C) ALU
D) Control Unit

Answer: A

Question. What type of device is computer keyboard?
A) Memory
B) Output
C) Storage
D) Input

Answer: D

Question. Which is the limitation of high level language?
A) Lower efficiency
B) Machine dependence
C) machine level coding
D) None of the options

Answer: A

Question. CD-ROM stands for
A) Compactable Read Only Memory
B) Compact Data Read Only Memory
C) Compactable Disk Read Only Memory
D) Compact Disk Read Only Memory

Answer: D

Question. Access time is
A) seek time + latency time
B) seek time
C) seek time
D) latency time

Answer: A

Question. Who invented the microprocessor?
A) Marcian E Huff
B) Herman H Goldstein
C) Joseph Jacquard
D) All of the options

Answer: A

Question. MICR stands for
A) Magnetic Ink Character Reader
B) Magnetic Ink Code Reader
C) Magnetic Ink Case Reader
D) None of the options

Answer: A

Question. The Width of a processor’s data path is measured in bits. Which of the following are common data paths?
A) 8 bits
B) 12 bits
C) 16 bits
D) 32 bits

Answer: A

Question. Which statement is valid about interpreter?
A) It translates one instruction at a time
B) Object code is saved for future use
C) Repeated interpretation is not necessary
D) All of the options

Answer: A