CBSE Class 7 Computer Science Memory MCQs Set 01

Question. Which of the following is not a form of data?
(a) numbers and characters
(b) images
(c) sound
(d) none of the options

Answer: D

Question. The word length of a computer is measured in
(a) Bytes
(b) Millimeters
(c) Meters
(d) Bits

Answer: D

Question. What type of memory is not directly addressable by the CPU and requires special softw3are called EMS (expanded memory specification)?
(a) Extended
(b) Expanded
(c) Base
(d) Conventional

Answer: B

Question. The control unit of a microprocessor
(a) Stores data in the memory
(b) Accepts input data from keyboard
(c) Performs arithmetic/logic function
(d) None of the options

Answer: D

Question. The magnetic storage chip used to provide non-volatile direct access storage of data and that have no moving parts are known as
(a) Magnetic core memory
(b) Magnetic tape memory
(c) Magnetic disk memory
(d) Magnetic bubble memory

Answer: D

Question. Which of the following computer implemented binary numbers, perform calculations using electronics and implemented separate computation and memory for the first time?
(a) Mark I
(b) ABC
(c) Z3
(d) None of the options

Answer: B

Question. FORTRAN is a programming language. What does FORTRAN stand for?
(a) File Translation
(b) Format Translation
(c) Formula Translation
(d) Floppy Translation

Answer: C

Question. Before a disk can be used to store data. It must be_______
(a) Formatted
(b) Reformatted
(c) Addressed
(d) None of the options

Answer: A

Question. Computer system comprises of major units
(a) input unit, output unit, control unit
(b) input unit, output unit, control unit and storage
(c) input unit, output unit, central processing unit and storage unit
(d) input, output and storage units

Answer: C

Question. Computer instructions written with the use of English words instead of binary machine code is called
(a) Mnemonics
(b) Symbolic code
(c) Gray codes
(d) Opcode

Answer: B

Question. Which language is directly understood by the computer without translation program?
(a) Machine language
(b) Assembly language
(c) High level language
(d) None of the options

Answer: A

Question. The first Macintosh computer was from
(a) First generation
(b) Second generation
(c) Third generation
(d) Fourth generation

Answer: D

Question. Which unit holds data permanently?
(a) Input unit
(b) Secondary storage unit
(c) Output Unit
(d) Primary Memory Unit

Answer: B

Question. On which aspect the analog computers are better than digital?
(a) Speed
(b) Accuracy
(c) Reliability
(d) Automatic

Answer: B

Question. Which of the following processors use RISC technology?
(a) 486dx
(b) Power PC
(c) 486sx
(d) 6340

Answer: B

Question. Which of the following machine was not invented by Charles Babbage?
(a) Tabulating Machine
(b) Analytical Engine
(c) Difference Engine
(d) Both C and D

Answer: A

Question. Which of the following is not purely output device?
(a) Screen
(b) Printer
(c) Speaker
(d) Plotter

Answer: A

Question. Who developed a mechanical device in the 17th century that could add, subtract, multiple, divide and find square roots?
(a) Napier
(b) Babbage
(c) Pascal
(d) Leibniz

Answer: D

Question. Which is not a computer classification?
(a) mainframe
(b) maxframe
(c) mini
(d) notebook

Answer: B

Question. Which of the following memories needs refreshing?
(a) SRA
(b) DRAM
(c) ROM
(d) All of the options

Answer: B

Question. A collection of related instructions organized for a common purpose is referred to as
(a) File
(b) Database
(c) Program
(d) None of the options

Answer: C

Question. Plotter accuracy is measured in terms of repeatability and
(a) Buffer size
(b) Resolution
(c) Vertical dimensions
(d) Intelligence

Answer: B

Question. A group of magnetic tapes, videos or terminals usually under the control of one master is
(a) Cylinder
(b) Surface
(c) Track
(d) Cluster

Answer: D

Question. How many numbers could ENIAC store in its internal memory?
(a) 100
(b) 20
(c) 80
(d) 40

Answer: B