Computer Architecture Free Online Practice - Set 06 - ObjectiveBooks

Computer Architecture Free Online Practice - Set 06

Practice Test: Question Set - 06

1. Von Neumann architecture is _______.
    (A) SISD
    (B) SIMD
    (C) MIMD
    (D) MISD

2. Computers use addressing mode techniques for _________.
    (A) Giving programming versatility to the user by providing facilities as pointers to memory counters for loop control
    (B) To reduce no. of bits in the field of instruction
    (C) Specifying rules for modifying or interpreting address field of the instruction
    (D) All the above

3. What characteristic of RAM memory makes it not suitable for permanent storage?
    (A) Too slow
    (B) Unreliable
    (C) It is volatile
    (D) Too bulky

4. The amount of time required to read a block of data from a disk into memory is composed of seek time, rotational latency, and transfer time. Rotational latency refers to ________.
    (A) The time its takes for the platter to make a full rotation
    (B) The time it takes for the read-write head to move into position over the appropriate track
    (C) The time it takes for the platter to rotate the correct sector under the head
    (D) None of the above

5. In computers, subtraction is generally carried out by ________.
    (A) 9’s complement
    (B) 10’s complement
    (C) 1’s complement
    (D) 2’s complement

6. Assembly language ________.
    (A) Uses alphabetic codes in place of binary numbers used in machine language
    (B) Is the easiest language to write programs
    (C) Need not be translated into machine language
    (D) None of these

7. Suppose that a bus has 16 data lines and requires 4 cycles of 250 ns each to transfer data. The bandwidth of this bus would be 2 Megabytes/sec. If the cycle time of the bus was reduced to 125 ns and the number of cycles required for transfer stayed the same what would the bandwidth of the bus?
    (A) 1 Megabyte/sec
    (B) 4 Megabytes/sec
    (C) 8 Megabytes/sec
    (D) 2 Megabytes/sec

8. Processors of all computers, whether micro, mini or mainframe must have
    (A) ALU
    (B) Primary Storage
    (C) Control unit
    (D) All of above

9. The communication between the components in a microcomputer takes place via the address and
    (A) I/O bus
    (B) Data bus
    (C) Address bus
    (D) Control lines

10. A register capable of shifting its binary information either to the right or the left is called a
    (A) Parallel register
    (B) Serial register
    (C) Shift register
    (D) Storage register

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